Section 16 Machinery and mechanical appliances; electrical equipment; parts thereof; sound recorders and reproducers, television image and sound recorders and reproducers and parts and accessories of such articles 84 Nuclear reactors, boilers, machinery and mechanical appliances; parts thereof 84 33 Harvesting or threshing machinery, including straw or fodder balers; grass or hay mow 84 33 90 Parts of harvesting... machinery Commodity Code Description 84 33 90 00 Parts of harvesting... machinery 84 33 90 10 Castors wheels, of a diameter (including tyres) exceeding 100 mm but not exceeding 2 84 33 90 20 Other, of goods of subheading 8433.11.00 or 8433.19.90 84 33 90 30 Other, of goods of subheading 8433.19.10 84 33 90 90 Other