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NATPA of NE rules for Division II


This Division is designed for competitive pullers with near stock tractors, M&W kits, ETC.
Tractors 1957 and older or prduction models that started in 1957.
Classes
2500#
3000#
3500#
4000#
4500#
5000#
5500#
6000#
6500#
7500#
8500#

  1. Entry - Tractors may pull in two classes once in each class.  Division I tractors may also pull in Division II if the tractor meets the rules for Division II.  Division II tractors cannot drop to Division I.

  2. Maximum tire size - 0-4500# 170 sq. in. max; 4501-6500# 229 sq. in. max; 6501-8500# 300 sq. in. max.  No cut tires.  See tire size chart below from Firestone Traction Field and Road and Firestone Field and Road charts.  Maximum tire size of 38".

  3. Rims and Wheels - Tires must be on rim width, not exceeding tire manufacturer's recommended width.  Pressed steel wheels are allowed front and rear.  No chrome or aluminum wheels allowed.

  4. Speed - Low gear not to exceed 3 MPH.  Not allowed to shift torque. 

  5. 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.  

  6. Engine - Stock block, naturally aspirated. Exceptions: Oliver 99 GM, etc. Stock head, manifold, and carburetor. If an external part is not in the parts book for that specific tractor it cannot be used. Exception: straight exhaust pipe allowed, air filter must be used although it may be of any type. RPM- 110% of factory high idle specification. No electronic ignitions. Exception: an electronic pickup inside the original stock distributor or magneto can be used, but distributor or magneto must maintain original appearance. ( Permitted by vote of membership 11/6/99.)

  7. Hitches - Minimum 18" back from the center of the rear axle and maximum 18" height, Hitch material cannot be thinner than ¾ " and not thicker than 1.25".  Hitch has to have a 3" hole with 1" material thickness around the hole or a straight or twisted type clevis with a minimum of a 2.5" hole.  Top of Hitch adjuster can not be above center line of axle or hub.  Hitch must be easily accessible (sled operator's discretion).

  8. Safety - 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).

  9. Appearance - Tractors should maintain original stock appearance.  If a part is not found in the manufacturers parts book it can not be used with the exception of weight brackets, hang-on weights, wheels, rims, hubs, draw bar, muffler and air cleaner.  Battery boxes may be moved from stock mounting location.  Homemade side-shield will not be allowed.  Exception: factory side-shields such as on Olivers.  Seat must be a stock seat or a manufactured seat placed with stock mountings (such as TSC).  Alternators and straight pipes are allowed.

  10. Sponsors - Advertising plaques or signs 144 sq. in. maximum may be put on tractor as long as it does not interfere with teching of tractor.

0-4500# Class 170sq.in.
13.6 x 38 - 168 sq. in.
14.9 x 28 - 170 sq. in.
4501-6500#Class 229sq.in.
14.9 x 38 - 200 sq. in.
15.5 x 38 - 189 sq. in.
16.9 x 34 - 229 sq. in.
6501-8500#Class 300sq.in.
18.4 x 38 - 300 sq. in.
16.9 x 38 - 252 sq. in.
18.4 x 28 - 250 sq. in.

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