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NATPA of NE rules for Division V



Classes: 1959 and older.
Classes
2500#
3000#
3500#
3750#
4000#
4500#
5000#
5500#
6000#
6500#
7500#
8500#

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

  2. Driver must stay on the seat of the tractor at all times. Hands must be on the steering wheel, hand brakes, hand clutch, or throttle at all times during the pull.

  3. Any tractor or puller found to be unsafe or illegal may be disqualified or barred from hooking. No alcoholic beverages will be permitted.

  4. Any part falling off the tractor after being hooked and until the tractor is unhooked will result in disqualification.

  5. Contact point of tractor and sled must remain in bounds at all times. Out of bounds will result in disqualification. No measurement will be taken following a disqualification.

  6. Wheelie bars are required. Wheelie bars to hold the weight of the tractor in its heaviest weight class. Stabilizer bars will be checked by jacking them up one side at a time. It is recommended that wheelie bars not be attached to the draw bar. Wheelie bars must be a minimum length, the front edge of the stabilizer pad can be no further forward than the rear most portion of the tire. The pads must not be more than 10" off the ground, and must be a minimum of 5"x 5"x ¼ ", and a minimum of 20" from the outside of one pad to the outside of the other pad. Stabilizer bars can be made adjustable as long as you use grade 5, ½ " pin or bolt minimum. The cross bar on the wheelie bars must not be in contact with hitch chain to the sled (should be below hitch chain to the sled). All tractors must have a working safety kill switch.

  7. Draw bars must not exceed 20 inches in height or be less than 18 inches from center of axle to hooking point. No part of draw bar may extend rearward beyond point of hook. Draw bars must be stationary in all directions. No clevises.

  8. Weights - Suitcase weights and custom made weight brackets are permitted, front weight bracket and weights to extend no farther than 11 feet from center of rear axle. Weights may not extend behind rear wheels. Stops on the ends of the weight brackets no closer than 4 " to the rear wheel. All weights will be secured to tractor using 1" straps with ratchet type fasteners, pinned or bolted.

  9. Tire size maximum 18.4 X 38 or equal size footprint. Any rim width. No radial tires. No steel lug wheels. Two wheel drive only. No duals. Any cut allowed on tires.

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

  11. Gas, diesel or LP fuels only. No alcohol or nitrous oxide fuels may be used in tractors. Gas is allowed a maximum of 750 specific gravity. All tractors are subject to random fuel checks.

  12. Rpm’s allowed will be 130% of 1959 manufacturer’s data or 130% of that series engine up to a maximum of 3000 RPM’s: ie F-30 Farmall can run 30% over 450 IHC RPM’s. If 1959 manufacturer’s data is not available then the Nebraska test chart will be used.  For Safety purposes, any tractor turning 3000 or more RPM’s 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 a working govenor in the stock location.

  13. Tractors must have stock frame, transmission, rear ends and axle housing, sheet metal and hoods.Front axles must be safe, sturdyand similar to stock with a stock wheel base. Engines must be stock appearing., 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.

  14. Any updraft agricultural tractor type carburetor will be allowed but it must be in the stock location. Diesels must have the stock or stock appearing injection pump in the stock location.

  15. Any integral plates, girdles or reinforcement devices that enhance the engine rigidity and improve safety will be allowed. Deck plates can be no thicker than 1” material; girdles can be no thicker than 1” material; spacers plates can be no thicker than 2”combination.

  16. Any gear, any speed. Shifting of TA’s allowed. The 50’ marker will also be used as the mark to stop the tractor if driver wishes to restart pull.

  17. There is no allowance on weight for any class in any Division. Weight of class is maximum weight allowed.

  18. A finish line must be used at all events. If a tractor exceeds this distance this constitutes a full pull and a measurement will not be taken.

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