Section 17 Vehicles, aircraft, vessels and associated transport equipment 86 Railway or tramway locomotives, rolling-stock and parts thereof; railway or tramway track fixtures and fittings and parts thereof; mechanical (incl. electro-mechanical) traffic signalling equipment of all kinds 86 07 Parts of railway or tramway locomotives or rolling-stock 86 07 30 Hooks and other coupling devices, buffers, and parts thereof Commodity Code Description 86 07 30 00 Hooks and other coupling devices, buffers, and parts thereof