Section 17 VEHICLES, AIRCRAFT, VESSELS AND ASSOCIATED TRANSPORT EQUIPMENT 86 RAILWAY OR TRAMWAY LOCOMOTIVES, ROLLING-STOCK AND PARTS THEREOF; RAILWAYOR TRAMWAY TRACK FIXTURES AND FITTINGS AND PARTS THEREOF; MECHANICAL(INCLUDING ELECTRO-MECHANICAL) TRAFFIC SIGNALLING EQUIPMENT OF ALL KIN 86 04 TRACKLINERS, TESTING COACHES AND TRACK INSPECTION VEHICLES). 86 04 00 RAILWAY/TRAMWAY MAINTENANCE /SERVICE VEHICLES, WHETHER OR NOT SELF-PROP... Commodity Code Description 86 04 00 00 RAILWAY/TRAMWAY MAINTENANCE /SERVICE VEHICLES, WHETHER OR NOT SELF-PROP...