AFPA 5-MPH TOP CUT (New March 2024)
Rules set until year 2025
- Speed limit will be 5 mph — 3 horn blows.
1A. When speed board is used-no horns. - 15.5 x 38 maximum tire size. Radials allowed. Top cut or non-cut tires only.
- Any year tractor allowed.
- Any engine modification/repower allowed. Maximum 6 cylinder. Inline configuration only. Forced induction allowed. Gasoline, LP, or Diesel fuel only.
- Must have tractor rearend and sheet metal, aftermarket frame rails and altered wheelbase allowed. Sheet metal and rear end do not have to be like kind.
- A fire extinguisher is mandatory on all tractors.
- Working kill switch is required on all tractors.
- Any tractor turning over 3000RPM must have high speed fan or electric fan, dead man throttle, and safety blanket, steel scatter shield 8″ wide x 3/8″ thick 360 degrees around clutch housing, or SFI approved explosion proof bell housing.
- EXHAUST: All exhaust pipes must be straight up with no curves or bends. If running a turbo, one of the three following methods of containment MUST be present in the exhaust as close to the turbo as possible. 4 x 3/8″ Grade 5 bolts, 2 x 1/2″ Grade 5 bolts spaced less than 1 inch apart in the pipe, or a turbo containment ring. All turbos must be shielded 360 degrees. If hood is fiberglass charger must be shielded.
- Operator’s seat must be sturdy. NO flat seats, must at least be a pan style.
- Weights, brackets, or any part of the tractor may not extend forward more than 11 feet from the center of the rear axle or rearward past plane of the rear tires. Front weights must be secured. Rear weights may not be mounted on any part of 3-point hitch.
- Drawbar may be no shorter than 18 inches from the centerline of the rear axle to the point of hook and no higher than 20 inches and stationery in all directions with a Hitch opening size requirements: 3 ¾ inch front to back and 3 inch side to side. No loose clevis to be used.
- Tip-over bars required. Minimum requirements are: Tip-over bars must not be attached to drawbar. Pads are to be 5 inches square and 20 inches apart. Pads must be 5 inches behind plane of rear tire and a maximum of 10 inches above ground. Tip- over bars must support weight of tractor in its heaviest class. Jacking up tractor by pads is test of strength and tech committee may perform this test.
- The first puller, who will be the test puller in each class, has the option to keep the pull or drop to third position or last. In pull-off, there will be no test puller.
- If the puller attempts to stop before the 75-foot mark, the puller will be given one restart.
- If the tractor touches the boundary line during the pull, except after 300 feet, the tractor will be disqualified.
- If any weight or part falls to the ground while hooked to the sled, the tractor is disqualified. If due to internal breakage, a measurement will be taken.