Vermont Tractor Pullers Association Rules and Regulations

VTPA General Rules

 

OPERATORS

 

1.                  Must have written permission of owner or parent if under eighteen

2.                  NO ALCOHOLIC beverages before or during the pull.

3.                  Must remain seated, be in full control, and operate in a safe manner at all times.

 

PULLING

 

1.                  Random draw order, drawn at time of entry

a.       Number one will be test puller.  Test puller may take pull if sled is properly adjusted, or may pull immediately, or may pull in sixth position.

2.                  All decisions on repull must be made prior to unhitching.

3.                  All pulls start with a tight hitch, no jerk pulls permitted.

4.                  Competitor is allowed two attempts within 75 ft. to start sled.

5.                  Operators have the option of moving starting line between classes.

6.                  Vehicle tires must stay within course boundaries.

7.                  Vehicles that are being repaired or readied for pull and that misses their turn, will pull last.

8.                  Vehicles must be stopped immediately on signal from track official.

9.                  Vehicles must be in neutral or park when hitching or unhitching

10.              NO PASSENGERS.

 

GENERAL

 

    

1.                  Violation of any rule will constitute disqualification.  The punishment of the violation will be up to a panel of judges (See Rule #4). Grievance will be discussed at that point, with the judges’ decision being final.

2.                  All operators are expected to attend meeting at scales 15 minutes prior to event time.

3.                  Contest will be governed by three or more judges with all decisions final.

4.                  Judges (consisting of flagman, tech personnel, sled operator and/or pull supervisor) may stop and disqualify any operators not operating safely.

5.                  No pit crew or operator coaching on track except for youth classes.

6.                  Any protest against operators and /or equipment must be made by end of that class and before start of next class, and only by another operator within the class.

7.         Any operator, owner, or pit crew disrupting the pull whether in the pit or on the track, will be cause for disqualification of that tractor/truck from class in question, all previous, and all subsequent classes for the remainder of the event.  All trophies and ribbons will be returned to the steward immediately.

8.                  Spectators and other operators not entered in class are not permitted on the track.                          

9.                  Since reasonable rules cannot cover any and all eventualities, the discretion of judges will prevail, including safety, operations, equipment, good sportsmanship and common sense.

10.              Driver or operator must be in seat when vehicle is running.

11.              All single pin breakaway kill switches must be able to pivot left or right of center.  This will apply to all classes except stock antique, farm stock and street stock trucks.

12.              Any loss of weights or safety equipment while hitched to the sled will result in disqualification.

13.              No moving of weights between tractors within the same class.

14.              Driver will be disqualified if he or she delays contest.

15.              All tractors will be teched and subject to re-teching at random at each event.

16.              NOS (nitrous oxide) or propane injection fuel are illegal in all divisions INCLUDING street legal pickup trucks.

17.              BRAKES – All competing vehicles must have adequate brakes.

a.       Rear brakes are mandatory on vehicles that compete in the following divisions:  Super Stock, Pro Stock

b.      Front brakes are mandatory on vehicles that compete in the following divisions:  Four Wheel Drive Trucks

c.       All drivelines must have 3/8 inch steel, 360 degrees around brake components, and both ends must be closed with 1/8 inch, or greater, steel.  This rule applies to Modified, Modified Minis, and Trucks.

 

 

YOUTH / ADULT GARDEN STOCK:

 

RULES

 

1.         General Rules apply, see page 4 of VTPA Garden Division Rule Book.

2.         Factory stock, commercially available.  Engine, chassis and sheet metal must be from a factory produced garden tractor and maintain stock appearance.

3.         Gasoline or diesel fuel only.  No additives.  No gasoline above super grade that can be bought at a gas station.

4.         Must use OEM available, unaltered parts for engine manufactured and configuration.

a.   Explanation – No fabricated intake manifolds, carburetor stand-offs, or velocity stacks allowed.

b.   Carburetor must be stock, unaltered and unpolished.  Air restricting venture must not exceed stock size for engine model, horsepower, and configuration.

c.   No port altering, grinding, or polishing allowed.  Ports must remain as cast.

5.               Modifications to clutch, driveline, and transaxle assembly are  allowed to help prevent breakage.

6.         No welding or modifying of block or cylinder head.  Cylinder head must maintain stock combustion chamber lip at head gasket.

7.         Maximum bore size:  .030 overbore from manufacturers standard specification.  Piston must be flush or below deck of block.

8.         No performance improving alterations to chassis or engine parts allowed.  No billet steel or billet aluminum flywheel allowed.  No welding or machining of stock cast flywheels.

a.       Explanation – All factory engine shielding must be in place.

b.      Explanation – Chassis may no be lengthened or altered to  accept non-original engine.  Must maintain original wheelbase.

9.         Must have muffler – must be OEM type and OEM mounted to block.  No extension after muffler.

10.       Must have working PTO.

11.       Engine RPM must be governor controlled.  Maximum limit:  3600 RPM.

12.       Diesel engines must be governor controlled to factory RPM specification.  No injection pump alterations allowed.  Must conform to rule #2 on page 7.

13.       Maximum hitch height:  13 inches.  Must provide own clevis or straight flat plate with 2 inch hole with a dead man zone of 3 inches on each side of the hitch.  Must be rigid in all directions.

14.       Maximum tire size:  26 x 12.00 x 12.  Larger tired allowed if available on that model tractor.

15.       Only OEM Garden Tractor style tires (Turf or Bar).  No alterations.

16.       Maximum distance from furthest point forward to center of rear axle:  96 inches.

17.       Wheelie bars must be rigid in all directions and able to support the tractor and driver in the heaviest class.  Each skid show must be a minimum of 2 inch x 3 inch or the use of 5 shoes or 2 wheels.  The wheelie bars must be a minimum of 5 inches from rear most part of tire and maximum of 10 inches.  The wheelie bars must also be a maximum of 5 inches from ground to bottom of skid shoes or wheels.  Weights on back of tractor must be contained up to 1 inch before the end of the wheelie bars.

18.       Any tractor not qualified as stock will jump to sport stock AND must conform to all sport stock rules.

19.       No stock tractor competing in the stock class can move to sport stock in the same event.

20.       Youth classes are for children 8 – 14 years old.  All participants in this class must have a helmet.

21.       Youth ages 12 and older may participate in adult classes with written parental consent.  Youths must wear helmets in the adult classes.

22.       All youth 8 – 14 years old must be able to handle their tractor safely by themselves.

23.       A youth participating in either of the youth classes is not eligible to participate in either of the adult classes at the same event.

24.       A tractor can only be used for 2 youth classes and 2 adult classes.

25.       Recommend pants, shirt and full shoes, no sandals.

26.       A tractor may be entered only once per class.

27.       If there are 30 or more participants in a class at an event, persons with more than one tractor in the class will be limited to only one tractor.

28.       Tractors equipped with factory locking differentials are allowed to be used.

29.       Competitors wishing to compete for points in the class must contact VTPA for a competition number.  This number should be displayed on the side of the tractor.

30.       PROTEST RULE:  If a puller protests another puller, he must put up $50.  If the tractor is found to be legitimate, that puller will get to keep $40 and the other $10 goes to the club.  If the tractor is found to be illegal, the puller making the protest will get $40 back and $10 goes to the club.

 

SPORT STOCK:

 

RULES

 

1.         General Rules apply, see page 4 of VTPA Garden Division Rule Book.

2.         Engine block, transaxle housing and chassis must be OEM available in a commercial garden tractor.

3.         One or two cylinder, flat head or overhead valve, naturally aspirated, cast block, four cycle engine.

4.         Flat head motor has maximum bore size .040 over manufacturer’s standard specification.  Maximum total engine displacement 50 cu in.  Billet aluminum heads are allowed.

5.         Overhead Valve Engines rated 18 HP and below.  Engine must be available in an OEM produced garden tractor.  Maximum of 38.5 cu in.  Maximum cylinder bore size:  .030 over manufacturer’s stand specification.

a.       Must retain stock cylinder head and valves or engine configuration and horsepower rating.

6.         Engine components must remain in original position.

a.       Original measurement from center of crankshaft to top deck of block must be maintained.

b.      Stock position of valves.

7.         Stock crankshaft stroke must be maintained.  Piston travel must be flush or below deck of block.

8.         Stock appearing carburetor or engine manufacturer required.  Maximum air restricting venture limit:  1,200 inches.  Air flow must be controlled by throttle shaft actuated butterfly in stock location.  No air may enter intake port after 1,200 inch restriction.

9.         Maximum RPM’s:  4500 governor controlled.

10.       Tractor must have stock appearing hood and grill (nose piece).  Switching to another factory sheet metal is permissible.

11.       Chassis and transaxle must be from an OEM produced garden tractor.  Stock frame length must be maintained.

12.       Maximum wheelbase:  52 inches

13.       Maximum distance from center of rear axle to farthest point forward:  96 inches

14.       Engine and driven components must be shielded with stock shields or 1/8 inch steel or 3/16 inch aluminum 360 degrees.

15.       Single cylinder tractors not running stock side panels need to be shielded with 1/8 inch steel or 3/16 inch aluminum plate opposite cam side height and width of block.  This plate would need to be mounted with two bolts to the frame and at least one bolt to the head.

16.       Gasoline only

17.       Maximum tire size:  26 x 12.00 x 12 alterations allowed.

18.       Helmet, full length pants and closed toe shows REQUIRED.

19.       Youth ages 14 and older may pull sport stock classes with a written parental consent.

20.       ALL TRACTORS MUST HAVE 2 lb fire extinguisher on board in reach of operator.

21.       ALL TRACTORS MUST HAVE a kill switch to cut engine and fuel pump if tractor has electric fuel pump.

22.       ALL TRACTORS MUST HAVE  maximum hitch height of 13 inches.  Flat plate with 2 inch hold.  Hitches rigid in all directions with 3 inches on either side of the hitch as dead-man zone from hitch to top of seat.  No weights in the dead-man zone, only the kill switch centered approximately 10 – 12 inches above the hitch in this area.

23.       Wheelie Bars must be rigid in all directions and able to support the tractor & driver in the heaviest class.  Each skid shoe must be a minimum of 2 inch x 3 inch or use of 5 inch round wheels are allowed.  Tractor must have 2 skid shoes or 2 wheels.  The wheelie bars must be a minimum of 5 inches from rear most part of tire and maximum of 10 inches.  The wheelie bars must also be a maximum of 5 inches from ground to bottom of skid shoes or wheels.  Weights on back of tractor must be contained up to 1 inch before the end of the wheelie bars.

24.       PROTEST RULE:  If a puller protests another puller, he must put up $50.  If a tractor is found to be legitimate, that puller will get to keep $40 and the other $10 goes to the club.  If the tractor is found to be illegal, the puller making the protest will get $40 back and the other $10 goes to the club.

 

SUPER STOCK OPEN:

 

RULES

 

1.                  General Rules apply, see page 4 of VTPA Garden Division Rule Book.

2.                  Drivers must be at least 16 years old and capable of operating the tractor.

3.                  Tractor must have a stock appearing hood and grill (nose piece).  Switching to another factory sheet metal is permissible.

4.                  Maximum wheelbase:  56 inches.

5.                  Maximum distance from center of rear axle to farthest point forward:  96 inches.

6.                  Engine and transaxle must be from OEM produced garden tractor components.

7.                  Engines:  Must be commercially available garden tractor engine.  V*Twin type configuration, Single-Cylinder OHV, Single-Cylinder flat head and opposed twin flat heads allowed.

8.                  Maximum engine size will be as follows:  V-TWIN OHV = METHANOL 45 cubic inches, V-TWIN OHV = GAS 48 cubic inches; Single Cylinder OHV = 45 cubic inches; Flat head engines (twins and singles) 52.5 cubic inches.

9.                  Maximum valve size for all makes of V-TWIN OHV METHANOL engines will be as follows:  Intake valve 1.325 inches – Exhaust valve 1.170 inches.  V-TWIN GAS ENGINES = open valve size.  Single Cylinder OHV will be 1.437 inches intake and 1.437 inches exhaust.  All flat head engines will be 1.380 inches intake and 1.380 inches exhaust. 

10.              Valve Lift:  No restrictions.

11.              Cylinder Head:  Must be stock appearing cast head.  Opposed flat head twins and single cylinder flat heads can run billet heads.  OHV V-TWIN ENGIES must run factory OEM heads with no external modifications done to the heads.  Valve cover spacers allowed.

12.              Carburetor:  Limited to one (1) carburetor with one (1) venture with one (1) throttle butterfly.  Maximum venture size will be 1.200 inches.  No air entering after the 1.200 inch restriction, except for the OHV V-TWIN ENGINES must run factory OEM carburetor with a maximum venture size of 1.00 inches.  No air entering after the 1.00 inch restriction.

13.              Electronic Fuel Injection NOT allowed.

14.              Intake Manifold:  No restrictions except for the OHV GAS ENGINES MUST RUN FACTORY OEM MANIFOLD.

15.              Engine Shielding Rules:  1/8 inch steel or 3/16 inch aluminum on external side of cylinder extending from head gasket to frame.  Shield must be attached to frame at the bottom and the block at both upper corners.

16.              Engine and driven components must be shielded with stock shields of 1/8 inch steel or 3/16 inch aluminum, 360 degrees.

17.              No Fin Flywheels, along with the general flywheel shielding rules of 1/8 inch steel or 3/16 inch aluminum 360 degrees.  NOTE:  This rule can be substituted with the use of factory steel side shields.

18.              Fuel:  Gasoline or Methanol only.  NOTE:  Methanol with NO additives only.  There are two U.S. Federal Grades.  Grade A and AA, either grade is permitted to use.

19.              No pressurized fuel tanks and NO nitrous oxide allowed.

20.              Must have a “dead man” throttle.  Throttle shaft must have return spring in case of a breakage in linkage.

21.              All tractors must have fenders to protect driver from the rear tires.  Fenders should extend at a minimum of 4 inches out over the tires.  All tractors must have a least a 3 inch seat back on all seats.

22.              Maximum tire size:  26 x 12.00 x 12 alterations allowed.

23.              Helmet, fire suits and closed toe shoes REQUIRED for all drivers.

24.              ALL TRACTORS MUST HAVE at least a 2 lb fire extinguisher on board in reach of operator.  A gauge on the fire extinguisher is REQUIRED.

25.              ALL TRACTORS MUST HAVE a kill switch to cut engine and fuel pump if tractor has electric fuel pump.

26.              ALL TRACTORS MUST HAVE maximum hitch height of 13 inches.  Flat plate with 2 inch hole.  Hitches rigid in all directions with 3 inches on either side of the hitch as dead-man zone from hitch to top of seat.  No weights in the dead-man zone, only the kill switch entered approximately 10 – 12 inches above the hitch in this area.

27.              Wheelie Bars must be rigid in all directions and able to support the tractor and driver in the heaviest class.  Each skid show must be a minimum of 2 inch x 3 inch or use of 5 inch round wheels is allowed.  Tractor must have 2 skid shoes or 2 wheels.  The wheelie bars must be a minimum of 5 inches from rear most part of tire and maximum of 10 inches.  The wheelie bars must also be a maximum of 5 inches from ground to bottom of skid shoes or wheels.  Weights on back of tractor must be contained up to 1 inch before the end of the wheelie bars.

28.              A tractor may be entered only once per class.

29.              PROTEST RULE:  If a puller protests another puller, he must put up $50.  If a tractor is found to be legitimate, that puller will get to keep $40 and the other $10 goes to the club.  If the tractor is found to be illegal, the puller making the protest will get $40 back and the other $10 goes to the club.

30.              These rules can be changed in order to promote fairness to the type’s tractors at anytime during the season. 

 

GARDEN TRACTOR MODIFIED:

 

RULES

  

1.                  General Rules apply, see page 4 of VTPA Garden Division Rule Book.

2.         Participants must be 16 years or older with parental consent.

3.                  Tractors may be homemade, but are limited to 8 feet in length from the center of the rear axle to the furthest forward point including weights.  Maximum width of 6’6” from outside of wheels.

4.                  Engines will be limited as follows:

a.       Automotive engines 2500cc, 4 cylinder limit

b.      Non-automotive type engines (snowmobile, motorcycle, boat engines, etc) can run multiple engine combination with no limit on number of cylinders, but a total combined 1500cc limit.

5.                  Ignition System – any type

6.                  Fuel System – Carburetors or fuel injection (piston type engines).  Carburetors only (rotary type engines).  No oxidizers (i.e. nitrous oxide) or pressurized tanks.

7.                  Fuel Type – Gasoline, diesel, fuel, alcohol, octane boosters, and lead additives allowed.  No other fuels.

8.                  Maximum Tire Size:  31 x 15.5 x 15

9.                  Tire tread pattern may be bar or turf type.  No paddle tires.  Alterations allowed.

10.              Shielding requirements:

a.       1/16” metal shields must be provided over belts, chains, fans, etc.

b.      1/8” steel shields or an approved safety blanket must be provided 360 degrees around clutches (the shields must cover the area from the front of the bell housing a minimum of 4” to the rear) and automatic transmissions.

c.       1/8” steel shields or approved safety blanket must be provided 360 degrees around automatic transmission.

d.      1/8” metal shields must be provided on both sides of engines.  Each shield must be as long as the block and must extend from the top of the oil pan to the under side of the cylinders.

11.              Tractors must have fenders to protect the driver from the rear tires.

12.              Tractors with automatic transmissions shall be equipped with positive lockout to prevent accidental engagement of reverse gear.  Safety start switch so tractor can not be started in gear.

13.              The hook hole in the drawbar must be a minimum of 2” diameter.  A minimum of 3/8” material around diameter of hole.  Hitches rigid in all directions with 3” on either side of the hitch as dead man zone from hitch to top of seat.  No weights in the dead man zone, only the kill switch centered approximately 10 – 12 inches above the hitch in this area only.

14.              Helmets and fire suits MANDATORY.

15.              Role cages optional.

16.              Wheelie bars must be rigid in all directions and able to support the tractor an driver in the heaviest class.  Each skid shoe must be minimum of 2 inch x 3 inch or the use of 5 inch round wheels is allowed.  Tractor must have 2 skid shoes or 2 wheels.  The wheelie bars must be a minimum of 5 inches from rear most part of tire and maximum of 10 inches.  The wheelie bars must also be a maximum of 5 inches from ground to bottom of skid shoes or wheels.  Weights on back of tractor must be contained up to 1 inch before the end of the wheelie bars.

17.              ALL TRACTORS MUST HAVE  2 lb. fire extinguisher on board in reach of operator.

18.       Competitors wishing compete for points in the class must contact VTPA for a competition number

 

ATV’s:

 

RULES

 

1.                  General Rules apply, see page 4 of VTPA Garden Division Rule Book

2.                  Operator MUST BE at least 18 years of age.

3.                  REQUIRED:  Helmet, full length pants, shirt & closed toe shoes.  NO SHORTS.

4.                  Hitch height:  Maximum of 13 inches.  Mounting hitch point MUST be located behind rear axle.

5.                  Hitches:  2 inch hole or 2 inch straight or twisted clevis or hitch.  Driver will be checked for weight and hitch height when ready to pull.  NO BALL HITCHES.

6.                  Weights:  Rear Weight must not stick out past rear tires, or past side of tires.  Front weights must not extend more than 16 inches from furthest point of ATV.  No wheel weights.

7.                  Tires must be OEM style ATV tires.  No chains.  No cut tires.  No studded tires.

8.                  ATV weight classes:

a.       (NEW) Pure Stock:  any cc up to production model for that year; 1300 lbs.  Tractors in this class have no after market parts, no pipes, no locked suspensions, no outside weight brackets.

b.      Mid-Size class:  Up to 660cc; 1250 lbs

c.       Open class:  Any cc up to production model for that year; 1300 lbs

9.                  If ATV’s front tires come off the ground, the operator could be disqualified by a flagman or track official.

10.              MUST be seated on horizontal portion of seat – not in forward position.  Explanation:  NOT on gas tank.  NO portion of the body may break the plane of the handle bars.

11.       ATV can only be entered once per class and limited to two classes.

 

STOCK ANTIQUES TRACTORS

  

1.                  General Rules apply see page 2.

2.                  Stock, out of field antique farm, tractors, 1960 or older, rubber tired, standard Ag tread, set in forward rotation.

3.                  Steel wheels (cleated or lugged) permitted.

4.                  No cut or ground tires; no duals, studs, or chains.

5.                  Two wheel drive (four wheel drive with front disengaged).

6.                  No alternative fuels; original equipment only.

7.                  Must be equipped with hood and grill.

8.                  No pulling from 3 point hitch or links (except for Ford Ferguson).  Drawbars must be stationery in all directions

9.                  Maximum drawbar height: 20” to top of fixed hitch – (clevis is not the fixed point).

10.              Minimum drawbar length behind PTO: 5” (or 18” behind centerline of axle if no PTO).

11.              Maximum drawbar length behind PTO: 16” (or 36” behind centerline of axle if not PTO).

12.              Equipped with a hitch point with a minimum of 3” opening (standard or twisted clevis excepted).

13.              Governor bypass or over speeding prohibited.  700 PTO RPM maximum.

14.              If a dyno is present at event, you may be asked to hook to it.

15.              Torque amplifiers only as original equipment.

16.              Weighted with operator and weighed prior to class.

17.              Must have working rear brakes.

18.              Tractor may be entered in no more than two classes per event, once per class; no switching operators within classes.  It will be official discretion to allow additional hooks if not enough participation. 

19.              Added weight and/or brackets securely attached to frame or wheels.  None behind or above rear tires or over 24” ahead of frame.  Must not interfere with hitching.  None on seat, platform, footrest, drawbar, 3 point links, or moved to another tractor in same class under penalty of removal.  Maximum width, 10 ft.; redi-rods or attaching bolts will NOT protrude more than 4” in heaviest weight class.  Any weight lost while hitched to sled DISQUALIFIES.  Suitcase weights allowed.

20.              2 ½ lb b/c fire extinguisher recommended

21.              Wheelie bars and skid shoes MANDATORY and must meet VTPA specifications (refer to diagram in back of book)

22.       Must have working PTO, if originally equipped with one.

  

ENHANCED ANTIQUES

  

1.                  General Rules apply see page 2

2.                  Age:  Driver must be 16 years of age or older.  Those under 18 years of age must have written parental / guardian permission.

3.                  Safety:  All tractors must have a deadman throttle and working safety kill switch.  Wheelie bars are per VTPA design specifications (refer to diagram in back of book), wide front ends, fenders, use of seat belts and use of rev limiters are highly recommended.  All tractors must cover the clutch housing with an approved scatter safety blanket.  Steel flywheels are highly recommended.

4.                  Draw Bar:  Draw bar must not exceed 20 inches in height.  A 3” opening in drawbar.  Draw bars must be stationary in all directions. No clevises.  There will be a dead man zone of 3” on either side of draw bar.  Minimum length of drawbar is 18” from center line of axle housing and a maximum of 36” from center line of axle housing. 

5.                  Weights:  Weights must not extend rearward beyond rear tires and cannot be more than 11 feet from the center of the rear axle to the furthest point forward.

6.                  Tires & Rims:  No steel lug wheels.  Two wheel drive only.  No Duals.  Any cut allowed on tires.  No radial tires

7.                  RPMs:  Rpm’s allowed will be 130% of 1959 manufacturer’s data of 130% of that series engine:  i.e. F-30 Farmall can run 30% over 450 IHC RPM’s.  The NATPA RPM Chart will list maximum RPM’s allowed.  If 1959 manufacturer’s data is not available then the Nebraska test chart will be used.  All tractors must have side shields of at least .060” metal and a scatter blanket.  Enhanced electrical systems permitted in all classes.  Rev limiters are allowed.  All tractors must have a positive throttle stop with fully operational governor. 

8.                  Speed:  Any gear, any speed.  Shifting of TA’s allowed. 

9.                  Engine:  Tractors must be naturally aspirated.  No turbos or blowers  - except two stroke GM diesels.

10.              Tractors must have stock frame, transmission, rear rends and axle housing.  Front axles must be safe, sturdy and similar to stock with a stock wheel base.  Crank cases must bolt to transmission in a stock appearing manner, be of the same manufacturer as the original crank case, must be the same length as the original crank case and be the same number of cylinders as the original make and model of the tractor.  Heads, blocks (jugs), manifolds must be of the same manufacturer as the crank case or that of a recognized replacement manufacturer.  Series engine must match series of tractor.

11.              Any updraft agricultural type carburetor will be allowed.  Diesel tractors may be converted to gas as long as they use gas heads.

12.       Any integral plate, girdles or reinforcement devices that enhance rigidity and improve safety will be allowed.  Deck plates can be no thicker than 1” material:  girdles can be no thicker than 1” material; spacer plates can be no thicker than 2” combined.

 

ALTERED ANTIQUES

 

1.                  General Rules apply see page 2

2.                  Altered Antique tractors have stock appearing hood & grill for that model tractor.  Tractors must be 1960 or older.

3.                  A tractor must pull in Altered Antique, no mixing of classes.

4.                  Cut tires & uncut tires are allowed.

5.                  Turbocharger compressor measurement to be measured at the face of the wheel inlet of a maximum of 3.0 inches.  The wheel may be no larger than this measurement at the inlet.  An exhaust measurement to be measured at the face of the wheel inlet of a maximum of 3.0 inches.  The wheel may be no larger than this measurement at the outlet.  All exhaust must exit through the turbo.

6.                  All Altered Antique tractors must have approved 6 strap SFI approved clutch blankets and removable engine side shields.  Blankets must be secured in front with 2 straps on each side.  Straps must be 2” wide with a maximum of 1” between the straps.  Steel welded bands around bell housing will NOT be accepted.

7.                  All Altered Antique tractors must have air shutoff (diesel) or ignition shutoff (gasoline) that has a hookup ring at the rear of the tractor to be connected to transfer sled.  Kill switch must be with 6” of center and no more than 48” above hitch.  It is MANDATORY that an electric assist fuel pump be tied to the kill switch.

8.                  All turbo charged tractors must have 2 – 3/8” bolts installed criss-cross through the exhaust after the turbocharger.

9.                  Decision of the judge(s) will be final.

10.              Any tractor operated in a reckless manner or having an unsafe appearance will be disqualified.  Any disqualification bars a second attempt in the class.

11.              All operators must wear an approved racing helmet (minimum Snell rating 90).  Fire suits mandatory.  Minimum requirements for fire suit with a Nomax rating of SFI 3.2A-1 (single layer).  It is recommended that all tractors be equipped with a lapbelt, and it is recommended that it be worn.

12.              All Altered Antique tractors must have a 2 ½ lb. dry chemical fire extinguisher mounted with easy reach of the driver.

13.              Naturally aspirated and turbo charged tractors may have non-stock intake and exhaust manifold. 

14.              It is highly recommended that all Altered Antique tractors have an SFI approved clutch and flywheel.  All tractors will be MANDATORY to install frame connecting ladder bars.  Frame connectors must be secured adequately from final drive housing to forward of bell housing and flywheel.  Frame connectors must meet VTPA criteria:  able to support tractor with engine disconnected from rear housing.  

15.              Recommend OEM ROPS bar or SFI approved roll cage.

16.       Wheelie bars are mandatory and must meet VTPA specifications (refer to diagram in back of book).

17.              Draw Bar:  Draw bar must not exceed 20 inches in height.  A 3” opening in drawbar.  Draw bars must be stationary in all directions. No clevises.  There will be a dead man zone of 3” on either side of draw bar.  Minimum length of drawbar is 18” from center line of axle housing and a maximum of 36” from center line of axle housing.

18.       Drivers must be at least 16 years old and capable of operating the tractor.  Drivers under 18 must have parental consent.

 

FARM STOCK TRACTORS

            

1.                  General Rules apply see page 2.

2.                  All tractors must be stock-blocked, agricultural tractors with no visible engine modifications.  Engine must be of original type or factory replacement.  Original style hood and grill must be in place.

3.                  Drawbar height for classes under 9,000 pounds will be a maximum of 19”, and for classes over 9,000 pounds will be a maximum of 21”.  Minimum length of drawbar is 22” from center line of axle housing and a maximum of 36” from center line of axle housing.

4.                  Drivers must provide their own hitching device or clevis with minimum 3” diameter opening for hooking.  The third link of three-point hitches will not be used in any way to stabilize the drawbar.  There must be a dead man zone of 18” in height and 6” wide to the top of the drawbar.

5.                  All weight must be safely secured to the tractor, and not to interfere with hitch. Weight is not to exceed 24” forward of the front most portion of the tractor.  Any ballast or external parts lost while hooked to the sled will be cause for disqualification.  No weights may be moved from one tractor to another competing in the same class during that class.  No portion of tractor may interfere with sled or sled hitch during a pull.  Hitch needs to be visible for hitching & unhitching.

6.                  All tractors with rubber tires are permitted.  No sharpened or cut tires.  Tire studs or chains are NOT permitted.  Dual tires are required on 2WD tractors in 4WD class as long as duals are held together by at least 4 connectors.  No minimum or maximum tire pressure is prescribed.  In weight classes of 18,000 lbs or greater, tractor & driver can not weigh less than 1000 lbs of the maximum weight of that class.  (i.e. in 18,000 lbs class, tractor & driver can not weigh less than 17,000 lbs.) 

7.                  Turbochargers, intercoolers, superchargers, torque converters, automatic shifts, etc. are permitted provided such is original equipment.

8.                  All exhausts must either: (a) discharge vertically upward with a minimum 18” straight pipe or muffler in working condition or (b) discharge through a factory, underslung exhaust system in working condition.

9.                  Stabilizer bars or wheelie bars are required and must meet VTPA specifications (refer to diagram in back of book).

10.              A dead man throttle is not required; however, drivers are advised that one can be easily rigged using a rubber shock strap.

11.              All tractors weighed at event.

12.              Maximum 700 PTO RPM on 540 shaft or 1150 RPM on 1000 shaft.  Engine RPMs not to exceed 3000 RPM and governor must have stop and drop PTO limit.  This RPM limit will be tested and strictly enforced.  Violators will be disqualified if checked after pull and do not pass.

13.              Any stock farm tractor that has eliminated factory air canister and filters will be required to run air shutoffs that can be activated from the driver’s compartment.  Must meet VTPA specifications.

14.       All stock farm tractors will be required to be shut off by factory ignition or throttle shut off.  (Explanation:  NO stalling of engines while in gear for shut off.)  Will be checked during inspection or at discretion of tech officials.

 

ALTERED FARM STOCK (formerly Super Farm)

 

1.                  General Rules apply see page 2

2.                  Altered Farm Stock tractors are stock appearing tractors with enhancements to create more horsepower and pulling ability than similar stock models.

3.                  Tractors with engine modifications, tire modifications, or higher than rated engine RPM will be expect to enter in Altered Farm Stock tractor classes.  Tractors with above modifications entering stock classes will be disqualified and not allowed to re-enter Altered Farm Stock classes.

4.                  A tractor must pull in Altered Farm Stock or stock classes, no mixing of classes.

5.                  No Cut Tires.

6.                  Turbocharger compressor measurement to be measured at the face of the wheel inlet of a maximum of 3.0 inches.  The wheel may be no larger than this measurement at the inlet.  An exhaust measurement to be measured at the face of the wheel inlet of a maximum of 3.0 inches.  The wheel may be no larger than this measurement at the outlet.  All exhaust must exit through the turbo.

7.                  All Altered Farm Stock tractors must have approved 6 strap SFI clutch blankets and removable engine side shields.  Blankets must be secured in front with 2 straps on each side.  Straps must be 2” wide with a maximum of 1” between the straps.

8.                  All Altered Farm Stock tractors must have air shutoff (diesel) or ignition shutoff (gasoline) that has a hookup ring at the rear of the tractor to be connected to transfer sled.  Kill switch must be with 6” of center and no more than 48” above hitch.  It is recommended that an electric assist fuel pump be tied to the kill switch.

9.                  All turbo charged tractors must have 2 – 3/8” bolts installed criss-cross through the exhaust after the turbocharger.

10.              Decision of the judge(s) will be final.

11.              Any tractor operated in a reckless manner or having an unsafe appearance will be disqualified.  Any disqualification bars a second attempt in the class.

12.              All operators must wear an approved racing helmet.  It is recommended that all tractors be equipped with a lapbelt, and it is recommended that it be worn.

13.              All Altered Farm Stock tractors must have a 2 ½ lb. dry chemical fire extinguisher mounted with easy reach of the driver.

14.              Naturally aspirated tractors may have non-stock intake and exhaust manifold.  Turbo charged tractors must have OEM for that manufacturer intake and exhaust manifolds.

15.              It is highly recommended that all Altered Farm tractors have an SFI approved clutch and flywheel. All tractors will be MANDATORY to install frame connecting ladder bars.  Frame connectors must be secured adequately from final drive housing to forward of bell housing and flywheel.  Frame connectors must meet VTPA criteria:  able to support tractor with engine disconnected from rear housing.

16.              Recommend OEM ROPS bar or SFI approved roll cage.

17.       Fire suits mandatory.

18.              Wheelie bars are mandatory and must meet VTPA specifications (refer to diagram in back of book).  

19.              Draw Bar:  Draw bar must not exceed 20 inches in height.  A 3” opening in drawbar.  Draw bars must be stationary in all directions. No clevises.  There will be a dead man zone of 3” on either side of draw bar.  Minimum length of drawbar is 22” from center line of axle housing and a maximum of 36” from center line of axle housing.

20.       Drivers must be at least 16 years old and capable of operating the tractor.  Drivers under 18 must have parental consent.

 

STREET LEGAL 4WD TRUCKS – Pure Stock:

 

1.                  General Rules apply see page 2.

2.                  Must have valid inspection and registration stickers, insurance card for home state.

3.                  Must have license plates.

4.                  Headlights and taillights must be in working order.

5.                  Stock is Stock – no exceptions – motor must be correct to chassis (Ford to Ford, etc.)

6.                  Trucks must have four wheel working brakes.

7.                  Tires must be DOT approved, no modifications allowed (i.e. cutting, grooving, etc.)

8.                  Must pull from bumper, hitch or class 3 style hitch (minimum 3” clevis with at least a ¾” pin).

9.                  No solid blocking – truck must have 3 inches of workable suspension.

10.              Must have stock intake, one single inlet carburetor with a maximum 1” spacer, no visual modifications.  Factory fuel injection will be allowed.

11.              All trucks must have legal exhaust system.  (Closed exhaust, headers, and dual exhaust okay).

12.              No aftermarket aluminum intakes

13.              No modified carburetors, no hot cams, no visual modifications.  If found, you will not pull. 

14.              May only run stock fuel, all other fuels are illegal.

15.              All weights to be in box only, no weight out front, no hidden weights – no exceptions.

16.              Stock class trucks are not allowed to jump classes.

17.              Stock trucks may be trailered in, but driver must be willing to take inspector out on the road with it.

18.              Maximum of 26” hitch height.  Rigid in all directions, no chains hanging from frames or rear end allowed.

19.              When class is called driver must stay with the vehicle.

 

STREET LEGAL 4WD TRUCKS – Modified Stock:

 

1.                  General Rules apply see page 2

2.                  MUST MEET FULL SAFETY REQUIREMENTS!!!!!

3.                  Must have valid inspection and registration stickers, insurance card.

4.                  Must have license plates.

5.                  Headlights and taillights must be in working order.

6.                  Aluminum intake and headers are allowed.  May use a maximum 2” carburetor spacer with no visual modifications.

7.                  Motor must be naturally aspirated.

8.                  Trucks may have open exhaust.

9.                  Trucks may use anything for carburetors, but must use only (1) one.

10.              Only cast iron blocks and heads are allowed.  No aftermarket blocks or cylinder heads.

11.              Gasoline or racing gasoline only – no alcohol, NOS, Nitro.

12.              Trucks must pull from a class 3 or drawbar hitch.  Hitch must be safe (no pulling from bumper).  Hitch length to be a minimum of 36% of wheel base from center of rear axle to point of hook.

13.              Truck must have four (4) wheel working brakes.

14.              Any DOT approved tire.

15.              No solid blocking – truck must have 3 inches of workable suspension.  Traction bars are allowed.

16.              Maximum of 26” hitch height.  Rigid in all directions, no chains hanging from frames or rear end allowed.

17.              When class is called driver must stay with the vehicle.

 

Rules 18 through 28 are recommended:

 

18.              All trucks with standard transmission will have a steel bell housing or will be equipped with a 3 strap transmission blanket on the bell-housing.

19.              All trucks with automatic transmission will have a transmission blanket or SFI approved 360° shield extending from bell housing to tail shaft.  One seven strap or 2-three strap blankets are allowed.

20.              Three drive shaft hoops must be within 6” of every u-joint.  Maximum 10”.

21.              Axle hub guards must be a minimum of 3/16” aluminum or 1/16” steel – must cover 2/3 of hub end.

22.              All trucks must have operational kill switch and will be tested before pull.

23.              All kill switches must be mounted independently of drawbar, cable end must have a loop to attach to sled cable, and must be located in the rear center of truck, minimum of 14” above hitch and a maximum of 6” off center in either direction

24.              Engine side shields to be 1/16” steel, from cylinder head to oil pan.  OR factory steel inner fenders (NOT cut) or side shields.

25.              All trucks with standard transmission will have steel bell housing or will be equipped with a 3-strap transmission blanket on the bell housing.

26.              All trucks with automatic transmission will have a transmission blanket or SFI approved 360° shield extending from bell housing to tail shaft.  One seven strap or 2-three strap blankets are allowed.

27.              Three drive shaft hoops mandatory over each shaft, 3/8” aluminum or 5/16” steel by ¾” wide.  One strap on each drive shaft must be within 6” of every u-joint maximum of 10”. 

28.              Axle hub guards must be a minimum of 3/16” aluminum of 1/16” steel – must cover 2/3 of hub end.

STREET LEGAL 4WD TRUCKS – Diesel

 

1.                  General rules apply.  See page 2

2.                  Must meet full safety requirements

3.                  Must have valid inspection and registration stickers, insurance card  pertaining to the vehicle pulling.

4.                  Must have license plate pertaining to the vehicle pulling.

5.                  Headlights and taillights must be in working order

6.                  OEM chassis with complete OEM floor pan and firewall is mandatory.  Wheel tubes, back half conversions, tube chassis, etc., are PROHIBITED.  The engine must be in the OEM location for the body used.  The vehicle must retain the full factory frame.

7.                  The vehicle must retain the original factory wheelbase (+/-1”) and track width of the body used.

8.                  The engine is restricted to 6 and 8 cylinder compression ignition engines.  All vehicles must have OEM engine. All mechanical injector pumps must be OEM.  Engine must have been in truck from factory.  Switching engines from one manufacturer to another is PROHIBITED.  Electronic modules, tuners, and aftermarket air induction systems are permitted.  Engines must be governed at OEM factory spec.

9.                  Exhaust must exit rear of cab.  Exhaust stacks are permitted.  Straight through exhaust are permitted.

10.              Fuel must be pump #1 / #2 diesel only.  Soy / Biodiesel are permitted.  OEM fuel tank is mandatory.

11.              Nitrous oxide, propane, alcohol, methanol and all other oxygen and flammables are prohibited.  Water injection is PROHIBITED.

12.              Turbo limited to single turbo only, unless OEM equipped twin turbo setup Turbocharger must be in original location and must be OEM turbo for the engine/truck as intended by the manufacturer.  No aftermarket turbos, no ball bearing turbos, no mounting plate adapters or plumbing changes for high output turbos will be allowed in this class.  Turbocharger inlet size will be checked at the tech official’s discretion.  Inlet opening may not be larger than 2.50”.  Turbocharger inlet hose must be removed for measuring by tech official at any time requested or vehicle will be disqualified.  Must be factory original turbo size.

13.              Must have OEM factory equipped transmission, transfer case, front and rear differentials.  Automatic transmission, after market torque converter, valve body and internal components are permitted.  Transmission brakes are PROHIBITED.  Manual transmission must have factory OEM style clutch.   All transmissions must be clutch assisted.  Sequential shifters are prohibited.

14.              Four wheel hydraulic brakes are mandatory.

15.              Must have OEM front and rear suspension.  Aftermarket lift kits are permitted.  Traction bars are permitted.  Blocking of suspension is PROHIBITED.  Suspension must be workable.  Front limiting straps are PROHIBITED.                        

16.              Maximum of 26” hitch height.  Reese style hitch.  Rigid in all directions, chains hanging from frame or rear end are prohibited.  Trick hitches are PROHIBITED.

17.              Tires must be street legal tires with a DOT number on sidewall.  Cut tires are NOT permitted.  Dual rear wheels may be used in competition but must stay within the OEM wheel wells.

18.              OEM firewall is mandatory as well as all factory installed interior, including dashboard, door panels, headliner etc.

19.       It is recommended for 2008 and be mandatory for 2009 in the Diesel Street Legal Pickup class that all exhausts will exit 90° vertical with not more than 5° variance in any direction.

 

SUPER STOCK 4 X 4 TRUCKS

 

1.                  General Rules apply see page 2

2.                  Automotive type V-8 engine (500 cu. in. limit).  NO aluminum heads.  OEM cast iron block.

3.                  Any one piece, as molded, factory four-barrel carburetor with any internal modifications allowed.  A cast manufactured steel or aluminum intake manifold must fit under the factory hood line.  NO fuel injectors allowed.

4.                  Super Stock Trucks are allowed to hook in the modified class if they meet all requirements.

5.                  NO MAGNETOS!

6.                  Electric fuel pumps are allowed.

7.                  Tilt front ends are allowed but no hood alterations, other than exhaust, with a maximum of 4” clearance from outside edge of the header.  Hood scoops are allowed.  The hood must be in the closed position while pulling.

8.                  A maximum of 133” wheelbase OEM manufactured frame up to a one tone chassis.  From the highest point of the top of the OEM frame, the cab and body mounts can be a maximum of 3”.  The centerline of the axle is to be within the centerline of a factory wheel opening with a variance of +/- 2” but can be altered for rear bumpers, front weight rack, rear axle mounting, and hitch.

9.                  All weight must be safely secured to the vehicle and may not extend forward more than 60” from the centerline of the front axle.  NO loose weights in the cab or under the hood are allowed.

10.              Transmission must be the OEM automotive type.  NO allisons.

11.              Any gear ratio is allowed, therefore, any Dana 60 or 70 corp. front or rear end may be used.  NO planetaries are allowed.

12.              Posi units or welded front and rear gears are allowed.

13.              The vehicle is to be equipped with adequate stopping brakes mounted on the front wheels.  Driveshaft brakes are allowed as secondary braking system.

14.              The pickup box must have either a full floor that is secured down, made of wood, steel or aluminum, or may use a plastic box liner or custom made tonneau cover securely fastened.  Tilt bodies will not be allowed.

15.              If the original body has doors, they must be on and closed as intended by manufacturer.

16.              Seat belts, helmets, and fire suits are mandatory at event.

17.              Front and rear OEM bumpers and tailgates are optional.

18.              All vehicles will be equipped with a working white reverse light and kill switch mounted a maximum of 24” above hook points.

19.              NO fuel tank is allowed inside the cab.  NO fuel, fuel pump, or fuel lines are permitted inside the cab.

20.              NO alcohol and NO nitrous . . . pump fuel (gasoline) only.  All shielding, hitch, and drawbar qualifications must be NTPA regulation.

21.              Windshields, rear windows, and side windows can be factory tinted or clear in all windows. (NO EXCEPTIONS).  If lexan, it must be a minimum of 1/4” in thickness.

22.              All 4 x 4 vehicles must have vertical bumpers to prevent vehicles from passing over the buckboard of the sled while backing up to hook or unhook.  Bumper to extend a minimum of 8” vertically and must be of rigid construction.

23.              DOT tires only.  Exception:  Wrangler XT.  NO bar tires.

24.              Throttle must be solid cable either / or linkage OEM type with 2-spring minimum.

25.              NO holes in firewall or floorboards are permitted except for controls and wiring.  Firewall alterations must be equal to / or better than the original OEM factory firewall and in the stock locations.

26.              Engine must be in engine compartment behind radiator and in front of firewall.  Engine location no further forward than centerline of engine block to centerline of front axle.

27.              All 4 x 4 vehicles must have a grill in its original factory location.

  

MODIFIED TRACTORS

 

1.                  General Rules apply see page 2

2.                  Modified tractors are those using any combination of engines, transmissions and final drives. 

3.                  Weight classes are:

a.       6,200 lb           single V8 engines only, naturally aspirated

b.      7,200 lb           Open – all engines

c.       8,200 lb           No single engine tractors.

4.                  All engine fans must be shrouded with steel 1/26” or thicker 360 degrees.  Harmonic balancer shielded 360 degrees with 3/16” steel or thicker.  Unless a fluid damper or solid steel balancer is used.

5.                  All exposed turbochargers or positions there of, must be shrouded with steel 1/16” or thicker.

6.                  All superchargers and supercharger drive components must conform to current SEMA specifications.

7.                  All automotive type engines using clutch must be equipped with current SEMA approved clutch housing, flywheel, pressure plate, and clutch disc.  The remaining drive train to be original tractor transmission, together with any additional manual transmissions, must be shielded 360 degrees with a minimum 3/8” steel, fastened every 6” or closer with 3/8” or larger bolts of grade 5 quality or better, or butt and seam welded.

8.                  All automatic transmission must be covered with current SEMA approved six strap or 2 three-strap scatter blanket, fastened securely in place.

9.                  All industrial or aircraft engine clutch housing must be constructed of, or shielded with, steel with minimum thickness of 3/8”.  Remainder of drive train must be shielded as in rule #6.

10.              Engines used in both automobiles and trucks are classed as automotive.

11.              No portion of a modified tractor may exceed 14’ forward of the center of the rear wheel.

12.              All tractors must be equipped with a dead-man throttle.  All throttles working in a forward-rearward direction shall be closed in the rear most position.

13.              All ignitions must have a kill switch in working order within easy reach of the driver.  All diesel and fuel injected engines must have a fuel shut-off valve control within easy reach of driver.  Electric fuel pumps must be tied in with kill switch.

14.              All exhaust must discharge vertically upward with a minimum of 12” above the bend in the pipe and must be securely attached.  No rain caps to be used.  Measured from top of pipe to bottom of bend.

15.              All modified tractors must be installed with safety bars.  With pad minimum of 5” square and must not exceed more than 10” off the ground, and a minimum of 32” long from the center of rear axle.  A minimum of 20” apart and must have a 12” high vertical brace and horizontal brace back to tractor.

16.              Rear tire maximum limit on 6,200 & 7,200 lb tractors – up to and including 30.5.

17.              No loaded tires.

18.              All modified tractors to have breakaway switch in working order.

19.              Neutral start switch must be in working order.

20.              All modified tractors must have fenders.

21.              All drivers of modified tractors will be required to wear helmets with shields and fire suit with a SFI 3-2 A-1 rating.  Gloves and hood are also required.

22.              All modified tractors must be equipped with working neutral light visible to sled operator.  Amber light.

23.              A deflective shield is required on both sides of all engines.  Shields must extend the complete length of block casting and be securely fastened.  It is to be made of aluminum or steel minimum of 0.060” thick.  Solid frames may serve as part of shield.

24.              Minimum drawbar length of 18” from center of rear wheel to point of hook.  Maximum drawbar length of 4 feet.  Maximum drawbar height of 20” from top of hitching device parallel to ground.  Drawbar must be rigid in all directions and parallel to the ground.  No use of three-point hitch arms.  Drawbar must be no thicker than 1 ½”, with 3” diameter opening.  Cross sectional thickness must be 7/8” minimum.  Pulling point may not be more than 1 ½” from back of hitching device.

  

Vermont V8 Mini

 

1.                  General Rules apply see page 2

2.                  Minimum requirements for fire suit with a Nomax rating of SFI 3.2A-4-1 (single layer) and helmet (Snell rating of 90), hood sock or helmet skirt mandatory

3.                  Full face helmet with shield, head sock, fire resistance single layer Nomax gloves, first resistant shoes, no leather boots accepted, SFI protective clothes.  Flame retardant underwear is recommended.  Head sock and / or neck skirt must be inside of driving suit, nothing exposed.

4.                  Any competitor or any member of his crew under the influence of an intoxicating agent, drug or having a measurable blood alcohol content during contest activities shall be considered under the influence and will be arred from any further involvement or participation in the event and may face suspension and / or fines.

5.                  Automotive type engines only, 2 valves, one operating spark plug per cylinder.

6.                  Automotive engine is an engine available in a passenger vehicle, maximum of 8 cylinders.  A replica of this engine must be capable to run a stock crankshaft.

7.                  Class A Minis follow the existing rules such as big blocks naturally aspirated engines no larger than 575 cu. in. and no superchargers.  Small blocks can be supercharged up to 380 cu. in.

8.                  Class B Limited Minis – big blocks up to 468 cu. in., cast iron heads and blocks only.  Single or dual carbureted or injected.  Small blocks up to 410 cu. in. cast iron or aluminum blocks and heads allowed.  Naturally aspirated.  Single or dual carbureted or injected. 

9.                  Grandfather rule for U.S. Mule and Aggravation:  If engine configuration (i.e. block or rotating assembly) need to be replaced then these components will have to conform to current engine specifications.

10.              Blower limitations:

a.       6-71 blower @ 18% overdrive max * manufactured blower restraints

b.      8-71 blower @ 10% overdrive max * manufactured blower restraints

c.       If manufactured motor is not defined as small block, motor limited to maximum blower size of 6-71 with zero percent overdrive.

11.              No high Helix type blowers allowed.  No blowers larger than 8-71

12.              Single stage turbo inlet & outlet size limitations to be determined at later date

13.              No 5” bore spacing plates Chevrolets

14.              Wheelie Bars:

a.       Note:  wheelie bar & hitch heights same as NTPA specifications

15.              Hitch Heights:

a.       13” height and hold diameter is 2”.  No aluminum or hollow tubing.  One piece construction steel.  Rigid in all directions.  Minimum of 6” from center of back axle.

16.              Weights:

a.       Ballast & safety equipment must be secured on the tractor.  If they fall off you will be disqualified.

17.              Chassis dimensions:  NOTE:  NTPA specs or ASTTQ

18.              Blankets:

a.       Automatic transmissions must be equipped with an SFI 4.1 blanket.  The blanket must extend from rear of engine block to front of tail housing.  I tmust be fastened forward securely with two straps on each side, one above and one below the crankshaft centerline.  The blanket should have a 6” overlap.  Straps must be 2” wide, with not more than 1” spacing between each strap.  The opening at the bottom of the transmission must be closed by steel plate, original steel plate is accepted.  All Lenco-type planetary type transmissions, excluding reverser, must have a SFI 4.1 blanket.

19.              Fuels:

a.       Legal fuels are:  Ethanol, Methanol, Water, Diesel, Aviation Gas, Gasoline, or Propane Gas.  Oxygen carriers and combustion accelerators are prohibited.  Illegal fuels are intro methane, including nitrous oxide and propylene, as fuel or additive.  No pressurized fuels allowed, except in UL approved pressure tanks or fuel cells.

20.              Clutches and cans must have current verification papers valid for two consecutive years.

21.              Tire size – 18 x 4 x 16.1 manufactured tire size.

22.              Shielding – side, engine, neutral safety switches

23.              Kill switches

24.              Weight class – 1850 lbs driver & tractor

25.              Fire Extinguisher – 2 ½ lbs B/C fire extinguisher required in operating condition

26.              Mandatory SFI approved roll cage w/removable steering wheel

27.              Skid shoe plates under front axles

28.       Five point seat belt / harness and neck collar 

 

VTPA Specification Wheelie Bars

 

1)                  STABILIZER BARS at a minimum must be flush to the back edge of tire and not to extend more than 10” beyond back of tire.  Rigidly fastened to axle housing or rear end housing.  STABILIZER BAR system must be able to support the weight of the tractor in the heaviest class pulled.  Jacking up the pads so the tractor is completely off the ground is a good test of the strength of the system’s support ability. STABILIZER BAR and bar assembly is not to be mounted to the drawbar and drawbar assembly (see Figure B)

 

2)                  STABILIZER PAD must be a minimum of 5” square with a minimum of 20” allowed from outside of one pad to another (see Fig. A) and a maximum height of 10” from ground.

 

 

3)                  BUMPER BAR must be mounted furthest most back point of stabilizer pad vertical and a minimum of 10” high.

 

4)                  SUPPORT BRACE must be attached to top of bumper bar horizontally back to stabilizer bar.

 

 

  .