Mobile railcar movers and structural parts thereof; aerial conveyors and structural parts thereof; mine-car pushers and structural parts thereof; automatically guided driverless material handling trucks and structural parts thereof; airplane towing vehicles and structural parts thereof; traction engines and parts thereof; telpher railways being cable cars; cable cars; motorcycle engines; motors for bicycles; propulsion mechanisms for land vehicles, namely, transmissions for land vehicles; automobile engines; engines for land vehicles; driving motors for land vehicles; motors and engines for land vehicles; non-electric prime movers for land vehicles, namely, internal combustion engines for land vehicles, not including their parts; hydraulic circuits for vehicles; hydraulic vehicle height adjustment mechanisms for automobiles, namely, auto trucks and forklift trucks; mechanical elements in the nature of hydraulic motors for land vehicles, namely, auto trucks and forklift trucks; electric motors for automobiles; motors, electric, for land vehicles; AC motors and DC motors for land vehicles, not including their parts; vessels and structural parts thereof; railway rolling stock and structural parts thereof; automobiles and structural parts thereof