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 14 Air or vacuum pumps, air or other gas compressors and fans; ventilating or recycling hoods incorporating a fan, whether or not fitted with filters 84 14 40 - Air compressors mounted on a wheeled chassis for towing Commodity Code Description 84 14 40 00 - Air compressors mounted on a wheeled chassis for towing