Motors and engines for land vehicles; gears for land vehicles; drive shafts for land vehicles; transmission shafts for land vehicles; axles for land vehicles; spindles for land vehicles; wheel bearings for land vehicles; axle bearings for land vehicles; couplings for land vehicles; wheel sprockets; motorcycle sprockets; clutch mechanisms for land vehicles; transmission belts for land vehicles; transmissions for land vehicles; automobiles and structural parts therefor; dump trucks; tractors; trucks and structural parts therefor; fork lift trucks.