NORTHERN COLORADO ANTIQUE TRACTOR PULLERS

GENERAL RULES

1. All tractors will run no more than 10% over factory RPM and will be checked before each pull.
2. Weight brackets are allowed in all of the classes but weights and/or brackets cannot exceed farther than 11 feet forward from the center of the rear axle. No restrictions on rear placement. Tractors will be allowed to pull in both the percentage and distance classes, if they qualify for both, but no hang-on weights are allowed in the percentage classes. Fluid in tires will be permitted.
3. All tractors except exhibition tractors will be weighed before each hook.
4. Antique and Classic tractor drivers must be 16 yrs. of age or older. Drivers 14-17 yrs of age may pull if their parents or legal guardians are present and have given written consent. Open class tractor drivers must be 16 yrs of age or older.
5. No alcoholic beverages allowed. Abuse will result in disqualification from the pull.
6. Foul or abusive language and/or threats or physical abuse to any puller, board member or official will be grounds for permanent disqualification.
7. Tractors must be operated in a safe manner at all times. Antique and Classic tractors may not exceed 5 MPH on or off the track.
8. Running tractors must be attended at all times.
9. Only the driver is permitted on the tractor. NO RIDERS!
10. No one is allowed on the track except the officials and the pullers.
11. Tractors must stay within the boundary lines,
12. It will be the responsibility of the driver to see that he or she is registered and weighed in by the designated deadline.
13. Drivers will have a meeting before each pull starts to make announcements and answer questions.
14. The judge’s decision is final in all instances. (judges are 2 or more Club Officers)
15. A list will be prepared and posted as to the running order.
16. When the sled is being hooked and unhooked, the driver must have the tractor transmission in neutral, foot off the clutch or hand clutches disengaged and arms in the air.
17. All pulls must start with a tight chain.
18. All tractors may pull in any gear not to exceed 5 MPH. (percentage).
19. Drivers must remain seated (if tractor was equipped with a seat when it was new) with one hand on the steering wheel. NO BOUNCING!
20. Engine trouble, gas line plugged, jumping out of gear, and other such problems common to old tractors during a pull does not end your pull. Driver can stop the pull in the first 30’ (one sled length), clear the problem and re-pull at the end of the class. Running out of gas does end your pull.
21. Two drivers per class will be permitted if the number of entries is small enough to allow the time. Only the first hook is eligible for points or ribbons.
22. It is recommended that tractors have wheelie bars or a 16” chain.
23. Distance & Percentage weight classes will be as follows: 0-2500 #, 2501-3000#, 3001-3500#, 3501-4000#, 4001-4500#, 4501-5000#, 5001-5500#, 5501-6500#, 6501-7500#, 7501-8500#.

TRACTOR ELIGIBILITY - ANTIQUE & CLASSIC CLASSES (PERCENTAGE)

1. Tractors must be 1938 or older to compete in the Antique class and 1939-1952 to compete in the Classis class(see Rules addendum 6). Any tractor in question must have a serial number in the proper place. This serial number must not be ground on or tampered with.
2. Tractors must be original in appearance including block and cylinder head. No aluminum parts added to tractors to make them lighter.
3. The tractor drawbar can be no closer than 18” from the center of the rear axle to the hitch point. Hitch point to the ground may not exceed 20” for Classic Percentage and 16” for Antique. All drawbars must be locked in place.
4. Each tractor pulling must have a straight vertical clevis, a 3” hole or a 3” ring attached to the drawbar. No part of the tractor may touch the chain and cause it to deflect.
5. Air cleaners must be stock equipment. Carburetor must be stock in appearance and have no more barrels than original factory equipment.
6. No essential equipment can be removed or disconnected, such as the air cleaner.
7. Wheel weights and/or fluid in the tires will be permitted. Wheel weights must be round and attached in a stock manner, with no bolts extending dangerously past the weights.
8. Tractors will be classed by weight.
9. No governor overrides.
10. All after market “add on” tractor parts are permissible.
11. Anyone proven to be using hot engines (cammed, stroked, ported, etc.) will be eliminated from competition. As engine boring is common to straighten cylinder walls or to clean up cylinders, it will be allowed but must be kept in moderation.
12. Tire size: Classes 0-8500# maximum 18.5x38; any rim width. Cut tires and radial tires are not allowed.

DIVISION I DISTANCE

This division is designed for beginning pullers, show tractors, and is used to promote stock pulling. Tractors 1952 and older.

1. Entry: Tractors may pull in two classes, once in each class. Tractors cannot enter classes below its manufactured shipping weight. 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: will be stock tire sizes. Cut tires and radial tires are not allowed.
3. Rims and wheels: Tractors must have OEM recommended diameter rims and OEM wheels. Tires must be on rim width not exceeding tire manufacturers recommendations to include cut downs for tractors that may have originally been on steel wheels.
4. Speed: First gear only!
5. Weights: Weights of bolt on type to either the front or the back wheels only (no side frame weights). Weights can be made. They must be round and made of metal and be as near appearing to original manufactured weights as possible. No concrete or suitcase weights allowed.
6. Engine: Stock block, naturally aspirated. Exception: Oliver 99 GM, etc. Stock head, manifold, and carburetor. Manifolds are to be replacement manufactured parts accepted for that make and model tractor. Engine parts not in parts book for that specific tractor cannot be used. Exceptions: distributors can be used on Antique tractors. A factory coil must be used. No electronic ignitions.
7. Hitches: 16” height (stationary in all directions) 16” on tractors such an IH fast hitch, Ford 3 point hitch, etc. Hitches must be as from factory, unaltered for that specific tractor. Operator must furnish a straight vertical clevis with a minimum opening of 2.5” bolted or pinned with spacers to drawbar. Hitch measured at hook point of clevis.
8. Safety: The front wheels of the tractor are not allowed to exceed 16” off the ground during a pull, operator is to provide a linked chain or device attached parallel with the center of the front axle with; a minimum of 16” on the ground. Chain must be dragging at the time tractor is hooked. Wheelie bars are optional. If wheelie bars meeting upper division requirements are used, the above nose height rule does not apply.
9. Appearance: Tractors should maintain original stock appearance. If a part is not found in the manufacturer’s part book it cannot be used. Seat must be a stock seat or a manufactured seat placed with stock mountings (such as TSC). Homemade side shields will not be allowed. Exception: factory side shields such as Oliver’s. Alternators and straight pipes are allowed.
10. Sponsors: Advertising plaques or signs 144 sq. inches maximum may be put on the tractor as long as it does not interfere with teching of tractor.
11. Contact point of tractor and sled must remain inbounds at all times. Out of bounds will result in disqualification. No measurement will be taken after a disqualification. No measurement will be taken after a disqualification.
12. A finish line must be used at all events. If a tractor exceeds this distance, this constitutes a full pull and a measurement will be taken.
13. All rules will be interpreted by the Tech/Rules committee. Any unforeseen problems or oversights will be ruled on by the Tech/Rules committee with their rulings being final.
14. Stock RPM.
15. THE FLAGGER HAS THE POWER!!!!

DIVISION II DISTANCE

This division is designed for competitive pullers, with near stock tractors, M&W kits, etc. tractors older than 1952.

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 I. Division II tractors cannot drop to Division I.
2. Maximum tire size: classes 0-8500# max. 18.4x38; and rim width. Cut tires and radial tires are not allowed.
3. Rims and wheels: Tires musts be on rim width not exceeding tire manufacturers recommended width. Pressed steel wheels are allowed front and rear. No chrome or aluminum wheels allowed.
4. Speed: Any gear not to exceed 8 MPH. Not allowed to shift torque.
5. Weights: Suitcase weight 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. All weights will be secured to tractor using I” 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 10% 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.
7. Hitches: Maximum 18” back from center of the rear axle and maximum 20” height. Hitch material cannot be thinner than ¼” and not thicker than 1.25”. Hitch has to have a 3” hole with 1” material thickness around the hole or a straight type clevis with a minimum of a 2.5 “hole. Top of hitch adjuster cannot be above centerline axle or hub. Hitch must be easily accessible (sled operator’s discretion).
8. Safety: Wheelie bars are required 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”x5”x¼” and minimum of 20” from the outside of one pad to the outside of the other pad. The stabilizer bars can be made adjustable as long as you use grade 5, 2” pin or bolt minimum. The cross bar on the wheelie bars must not be in contact with the 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 manufacturer’s parts book it cannot be used with the exception of weight brackets, hang on weights, wheels, hubs, draw bar, muffler and air cleaner. Battery boxes may be moved from stock mounting location.
10. Sponsors: Advertising plaques or signs 144 sq. inches maximum may be put on the tractor as long as it does not interfere with teching of tractor.
11. Contact point of tractor and sled must remain inbounds at all times. Out of bounds will result in disqualification. No measurement will be taken after a disqualification.
12. A finish line must be used at all events. If a tractor exceeds this distance this constitutes a full pull and a measurement will be taken.
13. All rules will be interpreted by the Tech/Rules committee. Any unforeseen problems or oversights will be ruled on by the Tech/Rules committee with their rulings being final.
14. THE FLAGGER HAS THE POWER!!!!!!

OPEN CLASS RULES

DISTANCE

This class is for tractors 1963 and older.

1. Drivers must be 16 years of age or older. Those under 18 years of age must have written parental/guardian permission.
2. The drivers 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 will 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 inbounds at all times. Out of bounds will result in disqualification. No measurement will be taken after a disqualification.
6. Wheelie bars are required. It is recommended that the wheelie bars not be attached to the drawbar in any way. The wheelie bar pads are to be a minimum of 5”x5”, no more than 10” above ground and the front edge of the pads must be behind the rear most part of the tire. All bars must support the tractor in its heaviest class. This will be tested by jacking up one pad at a time. All tractors must have a working safety kill switch.
7. Drawbars must not exceed 20” in height or be less than 18” from center of axle to hooking point. No parts of drawbar may extend rearward beyond point of hook. Drawbars must be stationary in all directions.
8. Weights must not extend rearward beyond rear tires and cannot be more than 11” from the center of the rear axle to the furthest point forward. It is recommended to be tied down.
9. Tire size maximum 18.4x38 or equal size footprint. Any rim width. No radial tires. No steel lug wheels. Two wheel drive only. No duals. Any cut allowed on tire&
10. Tractors must have engine stock frame, transmission, rear ends and axle housing, sheet metal and hoods. Front axles must be safe, sturdy and similar to stock with a stock wheelbase. Engines must be stock appearing.
11. 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 tractor. Heads, block (jugs), manifolds must be of the same manufacturer as the crank case or that of a recognized replacement manufacturer.
12. Any updraft agricultural tractor type carburetor will be allowed but it must be in the stock location. Diesels must have the stock or appearing injection pump in the stock location.
13. Any integral plates, girdles or reinforcement devices that enhance the engine rigidity and improve safety will be allowed. Deck plates can be no thicker that 1” material; girdles can be to thicker than 1” material; spacer plates can be no thicker that 2”.
14. Any gear not to exceed 8 MPH. Shifting of TA’s allowed.
15. There is no allowance on weight for any class in any division. Weight of class is MAXIMUM WEIGHT ALLOWED.
16. A finish line must be used at all events. If a tractor exceeds this distance this constitutes a full pull and a measurement will be taken.
17. All rules will be interpreted by the Tech/Rules committee. Any unforeseen problems or oversights will be ruled on by the Tech/Rules committee with their rulings being final.
18. Sponsors and advertising plaques or signs. 144 sq. inches max may be put on your tractor as long as it does not interfere with teching of the tractor.
19. THE FLAGGER HAS THE POWER!!!!!!!

IF YOUR TRACTOR DOES NOT MEET ANY OF THE REQUIREMENTS YOU MAY PULL EXHIBITION ONLY!.

GENERAL RULES ADDENDUM

1. added 2006 - There will only be two drivers per tractor per class allowed to pull.
2. added 2006 -The Judge and Tech/Rules committee is comprised of at least two Club Officers.
3. added 2006 - A 50 lb. over-variance will be allowed on the top-end of each weight class. This will allow for scale differential and temperature variance through the day.
4. added 2007 - DIV I Drawbar must be 24 inches minimum from center of axle to hitch point
5. added 2007 - DoubleTree tractors are restricted to DIV I and DIV II only.
6. added 2007 - Classic Class tractor years newer than 1952 are eligible IF the year the model was first introduced was 1952 or earlier. Ex. 1953 IH model H since the H was first introduced in 1939.

REMEMBER weigh in time for all pulls will be 8:00 to 9:30 with the pulls beginning promptly at 10:00. EXCEPTION: registration for the Greeley pull will be 1:00 to 3:00 with the pull beginning at 3:30

You must be registered (paperwork completed and money paid) by 9:30

If you show up after 9:30 to register you will not be able to pull that day. So please, don’t take time to unload tractors before you register. Get registered so that you will be able to pull.

The membership fee for the club will be $30

The fee for insurance for 2008 will be $25 for the year or $10 per day.

The hook fee is $10 per hook.

Just a reminder: PLEASE READ AND KNOW THE RULES AS THEY WILL BE STRICTLY ENFORCED.

All the equipment is now owned by the club so it is important that members help at pulls.