Section 17 VEHICLES, AIRCRAFT, VESSELS AND ASSOCIATED TRANSPORT EQUIPMENT 87 Vehicles other than railway or tramway rolling-stock, and parts and accessories 87 01 Tractors (other than tractors of heading 87.09). 87 01 22 With both compression-ignition internal combustion piston engine (diesel or semi-diesel) and electric motor as motors for propulsion Commodity Code Description 87 01 22 00 With both compression-ignition internal combustion piston engine (diesel or semi-diesel) and electric motor as motors for propulsion