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 30 Track-laying tractors 87 01 30 00 Track-laying tractors Commodity Code Description 87 01 30 00 000 Track-laying tractors