A. A. Engines
1. No engine larger than 640 cid. (+ or -1%)
2. Engine head must be OEM agricultural type for that brand block and same series engine.
3. No overhead cams allowed

B. B. Manifolds
1. OEM head manifolds for same brand block and same series engine.
2. OEM intake and exhaust manifold assembly only. No spacers between manifold and head.
3. No altered or modified manifolds, i.e. tubing or box type manifolds.
4. No intercoolers or after coolers allowed.
5. If an OEM intercooler manifold is used, it must be disconnected from all
Cooling means.
6. No CO2 or any other means of cooling the air in the piping or manifold.

C. Alteration for turbo mounting allowed.
1. Exhaust bolt pattern no larger than 2.750 in. x 3.5 in. or 69 mm. X 88 mm.
2. No altering of a housing to accommodate a smaller base; e.g. T-18A95 with small base welded to it.
3. The compressor inlet measurement to be measured at the face of the wheel a maximum of 3.0 inches. Tips of wheel must protrude into 3 inch opening at least 1/8 inch.
Note: Housing may use a reducer or slug if welded in place. No set screws or
Provisions to remove slug. Tips of wheel must still protrude into opening.
4. The exhaust outlet measurement to be measured at the face of the wheel a
maximum of 3.0 inches. Tips of the wheel must protrude into 3 inch
opening at least 1/8 inch.
Note: Housing may use a reducer or slug if welded into place. No set screws or
Provisions to remove slug. Tips of wheel must still protrude into housing.
5. No waste gates exhaust housing. No air entry after 3 inch opening in
Compressor wheel or exhaust housing. No MAP width enhancement
Grooves. No variable geometry turbos.
6. Exhaust turbine housing height limited to 9.5 inches when measured from
Bottom of exhaust housing bolt pattern base to the top of the housing.
7. The maximum allowed clearance on each side between turbine wheel and
The 3 inch opening when measured at the 1/8 inch protrusion not to exceed .050 maximum. This applies to both the intake and exhaust sides.
Note: Before competing, all Super Farm turbos must be inspected by Ken-Ten
Tech Official. Turbo must be sealed on intake and exhaust side previously
Inspected and sealed. NTPA seal will be honored. By Ken-Ten Pullers
Assoc. Seal must be in place before competing at a Ken-Ten event. If
Turbo is disassembled for any reason, it must be re-certified before being
Allowed to compete again.
8. The maximum size pump for diesel injection is 9P-pump. Only one
Plunger per cylinder.
Tires

Maximum 48 lugs allowed on 24.5x32 with a maximum of 210 inch
Circumference when inflated to 10 psi. Tread width not to exceed 25 inches.
Note: ALL Super Stock rules, including shielding, safety, and SFI requirements
Apply to this class.

Super Farms can run in Super Stock class for purse only.