Northern Colorado Antiques Tractor Pullers

2012 Rules


 

Northern Colorado Antique Tractor Pullers

January 2012 Updated Rules

General Rules

  • The flagger has absolute power on the track!!!

  • All tractors will run no more than 10% over factory RPM and will be checked if contested. (Open class tractors excluded)

  • 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. Rear weights must not extend rearward beyond the rear tires. Weights of bolt on type to either the front or back wheels, frame weights, suitcase weights, and fluid in the tires are permitted. No concrete weights allowed. All weights must be secured to tractor using 1” or larger straps with ratchet type fasteners, or firmly pinned or bolted.

  • All tractors must have a serial number in the proper place. This serial number must not be ground on or tampered with.

  • Tractors cannot enter classes below their manufactured shipping weight.

  • Tractors will be allowed to pull in both the percentage and distance classes, if they qualify.

  • All tractors except exhibition tractors will be weighed before each hook.

  • No alcoholic beverages allowed. Abuse will result in disqualification.

  • Foul and abusive language and/or threats or physical abuse to any puller, board member, or official will be grounds for permanent disqualification.

  • Tractors must be operated in a safe manner at all times. 5 MPH speed limit in pit area.

  • Running tractors must be attended at all times.

  • Only the driver is permitted on the tractor. NO RIDERS!!

  • No one is allowed on the track except officials and the pullers.

  • Tractor and sled must remain in bounds at all times. Out of bounds will result in disqualification.

  • It is the responsibility of the driver to see that he or she is registered and weighed in by the designated deadline.

  • There will be a driver’s meeting before each day of pulling to make announcements and answer questions.

  • The judge’s decision is final in all instances. (Judges are two or more officers and/or tech persons.)

  • A list will be prepared and posted as to the pulling order.

  • 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, arms in the air, and engine at idle.

  • All pulls must start with a tight chain.

  • A 50 lb. over-variance will be allowed on the top end of each weight class. This will allow for scale variance due to temperatures throughout the day.

  • Double Tree tractors are restricted to DIV I and DIV II only.

  • Kids 8-18 are allowed to pull in all classes (except open class). Child must demonstrate ability to handle the tractor, backing to sled, etc. Parent must sign a “child waiver” form before each event. Parent must supervise and walk beside younger, less experienced pullers.

  • To be eligible for annual championship awards in a class/division, pullers must be members and pull a minimum of 6 times in the same class/division.

  • 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.

  • 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. Anyone refusing teching of a tractor will be put in the open class or permanently disqualified.

  • If your tractor does not meet all of the needed requirements for a class/division, you may pull exhibition only.

  • Any tractor not having rubber tires must pull as exhibition.

  • Drivers must remain seated (if tractor was equipped with a seat when it was new) with one hand on the steering wheel. NO BOUNCING!!

  • 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. Drivers 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.

  • Two drivers per class will be permitted on the same tractor. Only the first hook is eligible for points or ribbons.

  • Gas, diesel, and LP fuels only! No alcohol or nitrous oxide fuels and no propane injection on diesels.

  • Distance and Percentage weight classes will be as follows: 0-2500#, 2501-3000#, 3001-3500#, 3501-4000#, 4001-4500#, 4501-5000#, 5001-5500#, 5501-6000#, 6001-6500#, 6501-7500#, 7501-8500#.

  • REMEMBER weigh in time for all pulls will be 8:00 to 9:30 with the pulls beginning promptly at 10:00. 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 individual membership is $30. Family (same household) membership is $30 plus $5 for each additional family member. The fee for insurance is $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.

  • It is important that members help at pulls.

    Tractor Eligibility

    Percentage

  • Tractors must be 1959 or older. No aluminum parts added to tractors to make them lighter.

  • 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 percentage. All drawbars must be locked in place.

  • Each tractor pulling must have a straight 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.

  • Carburetor must be stock in appearance and have no more barrels than original factory equipment.

  • No essential equipment can be removed or disconnected.

  • Only Division I and Division II tractors can pull in percentage.

  • Any gear may be used during pull not to exceed 8 miles per hour.

  • Tire size: Percentage classes 0-8500# maximum 18.4x38; any rim width. Cut tires and radial tires are not allowed.

Division I Distance

  • This division is designed to promote stock tractors 1952 and older. Division I tractors newer than 1952 are eligible if the year the model was first introduced was 1952 or earlier. Example: 1953 IH model H since the H was first introduced in 1939.

  • 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.

  • Maximum tire size: will be OEM stock tire sizes. Cut tires and radial tires are not allowed.

  • 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 o steel wheels.

  • Speed: First gear only!

  • 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.

  • Hitches: 16” height, drawbar must be24” minimum from center of axle to hitch point (stationary in all directions). Hitches must be as from factory, unaltered for that specific tractor. Operator must furnish a straight clevis with a minimum opening of 2.5” bolted or pinned with spacers to drawbar. Hitch measured at hook point of clevis.

  • Safety: The front wheels of the tractor are not allowed to exceed 16” off the ground during a pull.

  • 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. Homemade side shields will not be allowed. Alternators and straight pipes are allowed.



Division II Distance

  • This division is designed for competitive pullers, with near stock tractors, M&W kits, etc. Tractors 1959 and older.

  • Entry: 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.

  • Maximum tire size: Classes 0-8500# 18.4x38 max. Cut tires and radials are not allowed.

  • Rims and wheels: Tires must be on rim width not exceeding tire manufacturers recommended width. Pressed steel wheels are allowed front and rear. No chrome or aluminum wheels allowed.

  • Speed: Any gear not to exceed 8 MPH. Not allowed to shift torque.

  • Engine: Stock block and crankshaft, naturally aspirated. Exceptions: Oliver 99 GM, etc. Stock head, manifold, and carburetor, and/or OEM placement parts. Exception; straight exhaust pipe allowed, air filter must be used although it may be of any type. 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.

  • Hitches: Minimum 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).

  • Safety: Front wheels of tractor are not allowed to exceed 16” in air during a pull unless you have wheelie bars. 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).

  • Appearance: Tractors should maintain original stock appearance. If a part is not found in the manufacturers 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.

Open Class Distance

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

  • 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.

  • Any tractor or puller found to be unsafe or illegal will be disqualified or barred from hooking.

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

  • Wheelie bars are recommended. 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.

  • 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.

  • 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.

  • 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.

  • 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, block (jugs), manifolds must be of the same manufacturer as the crank case or that of recognized replacement manufacturer.

  • 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.

  • 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; spacer plates can be no thicker than 2”.

  • Any gear not to exceed 8 MPH. Shifting of TA’s allowed.




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