Import duty / Chapter 84 / Heading 8431
Heading 8431 covers 8 tariff lines in LoadLoom's table; 6 of them clear duty-free under USMCA for goods made in Canada, the US or Mexico. Published US and Canadian rates below, verified October 2026. Pick the line that matches your goods for the worked example and border steps.
| HS code | Goods | US duty | Canada duty | USMCA |
|---|---|---|---|---|
| 8431.10 | Machinery; parts of the machinery of heading no. 8425 | Free | Free | Free with certificate |
| 8431.20 | Machinery; parts of the machinery of heading no. 8427 | Free | Free | Free with certificate |
| 8431.31 | Lifts, skip hoists or escalators; parts thereof | Free | Free | Free with certificate |
| 8431.39 | Machinery; parts of the machinery of heading no. 8428, (other than lifts, skip hoists or escalators) | Free | Free | Free with certificate |
| 8431.41 | Machinery parts; buckets, shovels, grabs and grips, for the machinery of heading no. 8426 and 8430 | Free | Free | Free with certificate |
| 8431.42 | Machinery parts; bulldozer or angledozer blades | Free | Free | Free with certificate |
| 8431.43 | Boring or sinking machinery; parts for boring or sinking machinery of subheading 8430.41 or 8430.49 | Free | Free | Not eligible |
| 8431.49 | Machinery; parts of machines handling earth, minerals or ores and n.e.c. in heading no. 8431 | Free | Free | Not eligible |
This page is a free reference for shippers, not a customs ruling. Final classification and duty are determined by the licensed customs broker at entry, and government amounts are always billed at actual. Rates change with each tariff edition and trade action.
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Chapter 84: Machinery and mechanical appliances, boilers, nuclear reactors; parts thereof · Every chapter
