| 8428.31.00 | 00 | Other continuous-action elevators and conveyors, for goods or materials: | | | | |
| 8428.90.01 | | Other machinery | | Free | | 35% |
| 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% |
| 8429.52 | | Machinery with a 360 degrees revolving superstructure: | | | | |
| 8430 | | Other moving, grading, leveling, scraping, excavating, tamping, compacting, extracting or boring machinery, for earth, minerals or ores; pile-drivers and pile-extractors; snowplows and snowblowers: | | | | |
| 8430.31.00 | | Coal or rock cutters and tunneling machinery: | | | | |
| 8430.31.00 | 40 | Rock breaking machines | No. | | | |
| 8430.39.00 | 40 | Rock breaking machines | No. | | | |
| 8430.41.00 | 00 | Other boring or sinking machinery: | | | | |
| 8430.50 | | Other machinery, self-propelled: | | | | |
| 8430.61.00 | 00 | Other machinery, not self-propelled: | | | | |
| 8430.61.00 | 00 | Tamping or compacting machinery | No. | Free | | 35% |
| 8431 | | Parts suitable for use solely or principally with the machinery of headings 8425 to 8430: | | | | |
| 8431.10.00 | | Of machinery of heading 8425 | | Free | | 35% |
| 8431.10.00 | 10 | Of machinery of subheading 8425.11 or 8425.19 | X | | | |
| 8431.20.00 | 00 | Of machinery of heading 8427 | X | Free | | 35% |
| 8431.31.00 | | Of machinery of heading 8428: | | | | |
| 8431.39.00 | 50 | Of oil and gas field machinery | X | | | |
| 8431.41.00 | | Of machinery of heading 8426, 8429 or 8430: | | | | |
| 8431.43 | | Parts for boring or sinking machinery of subheading 8430.41 or 8430.49: | | | | |
| 8431.43.80 | 90 | Of other boring or sinking machinery | X | | | |
| 8431.43.80 | 20 | Of oil and gas field machinery: | | | | |
| 8431.49.10 | | Of machinery of heading 8426 | | Free | | 35% |
| 8431.49.10 | 10 | Of machinery of subheadings 8426.11, 8426.19 and 8426.30 | X | | | |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
