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 (other than tractors of heading 8709) Commodity Code Description 87 01 10 - - - For use in agriculture 87 01 20 - Road tractors for semi-trailers: 87 01 21 -- With only compression-ignition internal combustion piston engine (diesel or semi-diesel) 87 01 22 -- With both compression-ignition internal combustion piston engine (diesel or semi-diesel) and electric motor as motors for propulsion 87 01 23 -- With both spark-ignition internal combustion piston engine and electric motor as motors for propulsion 87 01 24 -- With only electric motor for propulsion 87 01 29 -- Other 87 01 30 - - - For use in agriculture 87 01 91 - - - For use in agriculture 87 01 92 - - - For use in agriculture 87 01 93 - - - For use in agriculture 87 01 94 - - - For use in agriculture 87 01 95 - - - For use in agriculture