ABOUT Guaranteed to fit your GEHL 6640.SPECIFICATIONSFitmentGEHL 6640BrandMWEApplicationsDirt,Mud,Rip RapDurabilityHeavy DutyPneumatic Tire Size14-17.5Solid Tire Size36X13-20ConditionNewWarranty12 Months / 500 Hours - Prorated - MWE TiresWeight362...