Altered Field Stock Rules

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Southern Ohio Antique Tractor Pullers Assn., Inc.

2009

1. Driver must be a member or associate member of S.O.A.T.P.A.

2. Drivers must be 14 years of age or older. If under 18 years of age must have written parental/guardian permission.

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

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

5. Any part falling from tractor while pulling or hooked to the sled will result in DQ.

6. Tractor must stay in bounds at all times.

7. Wheelie bars are required, 10" height maximum. All tractors must have safety kill switches.

8. Draw bars must not exceed 20 inches in height and less than 18 inches from center of axle to hooking point. No part of the draw bar may extend rearward beyond the point of hook. Draw bars must be stationary in all directions and must have at least a 3" round hole. No clevises.

9. Maximum length not to exceed 14 feet from the center of the rear axle to the furthest point forward.

10. 18.4 x 38 tire limit in 4000, 4500, 5500, and 6500 (5mph) classes. 20.8 x 38 tire limit in 6500,7500, 8500, and 9500 (no speed limit) classes. No steel wheels. Two wheel drive only. No duals.

11. Gas, diesel or LP fuels only, and must have tractor style block with OEM style head. Only one turbo charger allowed.

12. Fan-guards on all tractors (side shield or fan shield) Mandatory!

13. Sand bagging pace tractor will result in DQ.

14. Any tractor running over 3500 rpm's must have a scatter blanket and side shields.

15. Judges or promoters decision is final at all times during the pull.

16. 6500, 7500, 8500, 9500 open tractors must run fenders.

17. No nitrous or other pressurized fuels except factory L.P.

18. Classes:

4000#(5mph) 4500#(5mph) 5500#(5mph) 6500#(5mph)
No speed limit: 6500#, 7500#, 8500#, 9500#