Vermont Tractor Pullers Association
Vermont Tractor Pullers Association
Farm Stock Tractors
(2017 update)
Driver Eligibility:
1. General rules apply.
2. Driver must be 16 years of age or older. Those under 18
years of age must have written parent/guardian permission.
3. Driver must be familiar with all tractor controls: brakes,
clutch, shifter, throttle, TA, etc. Driver must be experienced
enough to safely handle tractor in an unexpected event
such as wheelie, wheel hop, sudden change in direction,
mechanical failure, etc.
Safety:
1. Stabilizer bars or wheelie bars are REQUIRED and
MUST meet VTPA specifications (refer to diagram in back
of book).
2. A dead man throttle is not required. However, drivers are
advised that one can be easily rigged using a rubber shock
strap.
3. All stock farm tractors will be REQUIRED to be shut off
by factory ignition or throttle shut off. (Explanation: no
stalling of engine while in gear for shut off.) Will be
checked during inspection or at discretion of officials.
4. A tractor is REQUIRED to have at least a fully charged
2½ lb fire extinguisher on board in reach of operator. A
functional gauge on the fire extinguisher is required.
5. The third link of three-point hitches will not be used in
any way to stabilize the draw bar. There must be a dead
man zone of 18” in height and 6” wide from the top of the
draw bar.
Chassis/Engines:
1. All tractors must be stock-blocked for the series tractor.
Engine must be of original type or factory replacement.
Original style hood and grill must be in place.
2. Turbochargers, intercoolers, superchargers, torque
converters, automatic shifts, etc. are permitted provided
such are original equipment for that series.
3. All exhausts must either discharge vertically with a
minimum 18” straight pipe or muffler in working condition or
discharge through a factory, under slung exhaust system in
working condition.
4. Engine RPMs not to exceed 2600 rpm and governor
must have a stop.
5. All stock farm tractors will be required to have a stock air
filter system including filters.
6. Must have rockshaft and housing or OEM top cover and
working hydraulics unless tractor came from factory
without. Must have working PTO.
7. Fuel must be pump #1/#2 diesel only. Soy/biodiesel
allowed. Or pump gasoline.
8. Nitrous oxide, propane, alcohol, nitro methane, methanol
and all other oxygen carriers and flammables are
PROHIBITED.
9. Water injection is not permitted.
Hitches:
1. Draw bar height for classes less than 9000 lbs will be a
minimum of 19”, and for classes over 9000 lbs will be a
minimum of 21”. Minimum length of drawbar is 18” from
center line of axle housing for 9000 lb and less tractors,
and a maximum length of 36”from center line of axle
housing for 9000 lb and more tractors. easured from
center line of axle to hook point.
2. Drivers must provide their own hitching device or clevis
with a minimum hole size 3”x 3 ¾” - 1” thick steel minimum.
Tires:
1. All tractors with rubber tires are permitted. No
sharpened or cut tires. Tire studs or chains NOT permitted.
Dual tires are required on 2WD tractors in 4WD classes as
long as duals are held together by at least 4 connectors.
Added Weight:
1. All weight must be safely secured to the tractor, and not
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 and unhitching.
2. In weight classes of 18,000 lbs or greater, tractor and
driver cannot weigh less than 1,000 lbs of the maximum
weight of that class. (i.e.: in the 18,000 lb class, tractor and
driver cannot weigh less than 17,000 lbs).
Weight Classes:
1.All tractors weighed at event.
2.Weight Classes: 8,000 lbs; 9,000 lbs; 11,500 lbs; 13,000
lbs; 15,000 lbs; 16,500 lbs.
Misc:
1. No mixing of classes until 18,000 lb classes.
2. Tractors not qualifying for the Farm Stock class will be
asked to participate in the Hot
Farm class with proper safety equipment.