Section 17 VEHICLES, AIRCRAFT, VESSELS AND ASSOCIATED TRANSPORT EQUIPMENT 87 VEHICLES OTHER THAN RAILWAY OR TRAMWAY ROLLING-STOCK, AND PARTS AND ACCESSORIES THEREOF 87 08 PARTS AND ACCESSORIES OF THE MOTOR VEHICLES OF HEADING 87.01 TO 87.05 87 08 50 DRIVE-AXLES WITH DIFFERENTIAL...PARTS THEREOF, FOR TRACTORS Commodity Code Description 87 08 50 10 DRIVE-AXLES WITH DIFFERENTIAL...PARTS THEREOF, FOR TRACTORS 87 08 50 90 OTH. DRIVE-AXLES WITH DIFFERENTIAL...PARTS..FOR M/VEH. OF HD 87.02-87.05