Import duty / Chapter 84 / Heading 8423
Heading 8423 covers 7 tariff lines in LoadLoom's table; 4 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 |
|---|---|---|---|---|
| 8423.10 | Weighing machines; personal (including baby scales) and household scales | Free | 6.5% | Free with certificate |
| 8423.20 | Weighing machines; scales for continuous weighing of goods on conveyors | Free | Free | Not eligible |
| 8423.30 | Weighing machines; constant weight scales and scales for discharging a predetermined weight of material into a bag or container, including hopper scales | Free | Free | Free with certificate |
| 8423.81 | Weighing machines; other than personal, conveyor or constant weight scales, having a maximum weighing capacity not exceeding 30kg (excluding balances of a sensitivity of 5cg or better) | Free | Free | Free with certificate |
| 8423.82 | Weighing machines; other than personal, conveyor or constant weight scales, having a maximum weighing capacity exceeding 30kg but not exceeding 5000kg | Free | Free | Free with certificate |
| 8423.89 | Weighing machines; other than personal, conveyor or constant weight scales, having a maximum weighing capacity exceeding 5000kg | Free | Free | Not eligible |
| 8423.90 | Weighing machines; weights of all kinds, parts of weighing machinery | 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
