PURE STOCK
1. Engine: Stock block, head, manifold, carb, no add on parts not in original parts book, no electronic ignitions, stock coil only, Stock hp and rpms. Tractors may be put on dyno.
2. Tractors must have original, or as close to original rim tires. Rims,Cut down steel is ok.
3. Original hitch and drawbar (no pulling eyes,clevis with spacers, or bent up drawbars) Hook point must be 13- 14” from top end of PTO, or no closer than 30” from center of axle, allowances will be made on certain models.
4. Tractors must have stock appearance.
5. No cut or sharpened tires.
6. Must have original air cleaner, if one used.
7. No weight brackets, or non-original weights(any wheel weights are allowed if placed on wheels and securely fastened.
8. Any tractors may be dyno’ed and rpm limits will be enforced!!!!!!!!
9. Speed limit will be 4 MPH
Improved
Stock
1.
Engine:
stock block, tractor carb, original
transmission,
rear end, sheet metalect.
2.
No
front cut tires.
3.
Wheelie
bars, kill switch, and fenders recommended, and encouraged. If not
applicable
Judges will rule height of front end under control.
4.
20%
Over on RPMs will be allowed. All tractors rpm limits enforced.
5. No home built manifolds or headers (O. C. replacement only)
6.
No
electric fuel pumps.
7.
Speed
limit will be 4 mph.
Modified
(Must be 18 or older to pull modified)
1. Must be run stock block and head of the original manufacturer, transmission, rear end, sheet metal ect.
2. Any cut tires are allowed
3. Wheelie bars, fenders, and kill switch are mandatory!!!
4. RPMs over 20% must have safety equipment ( safety blanket, scatter shield, fan shroud, or side shields ct.)
5. Tire 15.5 below 5000#, 18.4 max 5001# and above
6. Speed limit will be 7Mph.
Hope to see you next year,
have fun
and be safe.
Thank you from the Union
Threshermen.
Any questions call Tom
Schley
(715)-851-0387