| 8421.39.80 | 20 | Electrostatic precipitators | No. | | | |
| 8421.39.80 | 05 | For machine tools of headings 8456 through 8465, inclusive | X | | | |
| 8423.10.00 | 10 | Digital electronic type | No. | | | |
| 8423.81.00 | 10 | Digital electronic type: | | | | |
| 8423.82.00 | 10 | Digital electronic type | No. | | | |
| 8423.89.00 | 10 | Digital electronic type | No. | | | |
| 8424 | | Mechanical appliances (whether or not hand operated) for projecting, dispersing or spraying liquids or powders; fire extinguishers, whether or not charged; spray guns and similar appliances; steam or sand blasting machines and similar jet projecting machines; parts thereof: | | | | |
| 8424.30 | | Steam or sand blasting machines and similar jet projecting machines: | | | | |
| 8424.81.90 | 10 | Self-propelled, center pivot | No. | | | |
| 8424.90.90 | 40 | Of steam and similar jet projecting machines | X | | | |
| 8426.41.00 | | Other machinery, self-propelled: | | | | |
| 8426.91.00 | 00 | Designed for mounting on road vehicles | No. | Free | | 35% |
| 8427.10 | | Self-propelled trucks powered by an electric motor: | | | | |
| 8427.20 | | Other self-propelled trucks: | | | | |
| 8428.31.00 | 00 | Specially designed for underground use | No. | Free | | 35% |
| 8428.90.01 | 20 | Industrial robots | No. | | | |
| 8429 | | Self-propelled bulldozers, angledozers, graders, levelers, scrapers, mechanical shovels, excavators, shovel loaders, tamping machines and road rollers: | | | | |
| 8429.40.00 | | Tamping machines and road rollers | | Free | | 35% |
| 8429.51 | | Front-end shovel loaders: | | | | |
| 8430.31.00 | | Coal or rock cutters and tunneling machinery: | | | | |
| 8430.31.00 | | Self-propelled | | Free | | 35% |
| 8430.31.00 | 40 | Rock breaking machines | No. | | | |
| 8430.39.00 | 40 | Rock breaking machines | No. | | | |
| 8430.41.00 | 00 | Self-propelled | No. | Free | | 35% |
| 8430.49.40 | 00 | Offshore oil and natural gas drilling and production platforms | kg | Free | | 45% |
Harmonized Tariff Schedule of the United States inquiry: gaming
