WEIGHT;
6000#, Four Cylinder Tractors can weigh 7000#
TIRES;
18.4 x 38 maximum, any Cut
AGE OF DRIVER;
18 years or older
AGE OF TRACTOR;
1962 or older, but including total run of that model.
FUEL;
Gasoline, Diesel, LP, Alcohol. No nitrous oxide.
CYLINDER BLOCK OR CRANK CASE;
Must be stock appearing for that make and model. Must be from same manufacturer and must bolt in stock location without modification. Maximum small block CID of not more than 460 and the original block must not be more than 370 CID.
Small Blocks; 88 Oliver 310, 560 IH 301, 570 Cockshutt 339, 6000 Ford 300, 203 Massey 330, 1100 MF 354, and D-19 AC 301.
Big Blocks; 4010 JD 404, 930 Case 504, 6000 Ford 401 GVI MM 504. No CID limit on Big Blocks.
HEADS;
Cast iron heads only. Must be from same manufacturer.
DRAW BAR;
Draw bars must not exceed 20 inches in height or less than 18 inches from center of axle to hooking point. No part of draw bar may extend rearward beyond point of hook. Draw bars must be stationary in all directions.
HOOD, GRILL, FRAME, TRANSMISSION, REAR END, AXLE;
Must be for that make and model and must maintain stock appearance and dimension. Center of front axle must not exceed 12” past front edge of grille. Sides of tubular frames must be fully covered with sheet metal or aluminum.
TOTAL LENGTH OF TRACTOR;
Maximum length 12’ from center of rear axle to the furthest point forward, including weights.
MANIFOLD, CARBURETORS;
Homemade manifolds allowed, single barrel up draft carburetors only, except factory equipped down draft. No carburetor larger than 3-3/16” original throttle bore, this bore size may be altered. Propane carburetors are exempt from bore limit. All tractors must be naturally aspirated. Exhaust Pipes must exhaust vertically.
SAFETY EQUIPMENT;
Helmet, Fire Suit, Wheelie bars, Roll cages, kill switches, fire extinguishers, fenders, side shields, SFI flywheels and pressure plates, scatter blanket or steel shields, no steel fans, wide front axles. All electric fuel pumps must be wired to the kill switch.
ALL COATPA GENERAL RULES APPLY
INFORMATION
Div 5 natural Chairman Bill Downing 765-855-5586 3-18-07