Eligibility of Tractors
- All tractors must pass an annual safety inspection that will be conducted by
the safety committee at the first pull or the first event for that tractor.
- All approved tractors will be fitted with a Safety decal placed in a highly
visible area at the rear of the tractor.
- NO 4-wheel drive tractors permitted.
- Drawbar design:
- Shall be designed with a minimum 1 ½" diameter hole.
- Shall be a minimum of ¾ " of material between hole and end of hitch
- Shall not exceed 13" above ground
- Shall not extend beyond rear tire plane
- Shall be stationary in all movement
- Minimum Thickness 3/8 "
- Must be parallel to the ground [2003]
5. No part on the tractor is allowed to come in contact
with pull chain between hook and the pan.
6. Tractors must have reverse gear with the exception of
Class 4,5&6..
7. Tractor must have working brake
8. All tractors must be equipped with a "Dead
Man" throttle with the idle at rear most position.
9. Tractor must be equipped with wheelie bars. Wheelie
bars must support weight of tractor.
Wheelie bar / Bumper Design:
- Shall consist of 2 separate supports, one on each side of tractor.
- Device can either be designed for wheel or skid plate
- Wheels must a minimum of 4" in diameter and 1" wide.
- Skid plate contact surface must be a minimum of 6 in2 (square
inches)
- Distance from rear of tractor tire to center of support wheel or rear of
skid plate shall be no less than 5"
- Distance from ground to bottom of support wheel or skid plate shall not
exceed 5"
- Bumper Bars shall be designed as shown in the following figures.
10. Tractor Dimensions
Tractor width shall not exceed 54" and shall not exceed 8’ in
length. Length shall be measured from center of rear axle to the front of the
tractor or weights.
11. Shields
- All moving parts shall be shielded (i.e. pulleys, sprockets, chains, belts )
- All tractors must have side shields on each side of engine with exception of
motorcycle
- Minimum thickness 1/16" steel, 0.090 Aluminum
- Must extend from bottom of pan to 4 ½ above crankshaft centerline.
- Shall extend full length of block
- Must be securely fastened at top and bottom. Cannot be secured to the side
of the block itself. Must be fastened to the frame or other structural member.
12. Exhaust
- Shall be designed to discharge vertically
- Shall be at least 12" above exhaust port
- Shall be within +/- 10° off a vertical plane
- Stock exhaust systems are excluded
13. Sign-in
All tractors must be signed in 30 minutes before pull starts. STRICTLY
ENFORCED!!!
14. Kill Switch
All tractors must have an operating kill device in the event the tractor
breaks away from the sled or the sled operator sees an unsafe condition. The
kill device must be designed and positioned as follows:
- Shall be positioned above hitch at least 6"
- Shall be within 4" of center of hitch
- Must be designed to provide easy hook-up with one hand.
- Shall be designed to kill all electrical components (i.e. Ignition, fuels
pumps etc.)
-
- Must have 1 1/2" minimum solid ring attached to kill switch [2003]
15. Fire extinguisher
Tractor must be equipped with a fully charged, functional fire
extinguisher. Extinguisher must have a gage and within easy reach of the
driver. (Minimum 1 ½ lb. Dry chemical or equivalent)
16. Tires
- Must be of rubber type
- All power must be transmitted through tires
- No dual tires
- No tire chains
- No paddle tires
- Tires can be modified to increase BITE!
17. 3"numbers readable from 50 feet on both sides near front of
tractor.
