Section 17 Vehicles, aircraft, vessels and associated transport equipment 87 Vehicles others than railway or tramway rolling-stock, and parts and accessories thereof 87 01 Tractors (excl. tractors of 87.09) 87 01 21 With only compression-ignition internal combustion engine (diesel or semi-diesel) Commodity Code Description 87 01 21 00 With only compression-ignition internal combustion engine (diesel or semi-diesel)