SA3 Automatic Coupler from China

The SA3 automatic coupler is a standard coupling device used on freight locomotives and rolling stock classified under headings 8605 and 8606. It enables quick connection and disconnection between rail cars, featuring knuckle mechanisms for secure linking. Classified under HTS 8607.30.10 as a hook and coupling device specifically for these vehicles.

Duty Rate — China → United States

38.6%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)

Import Tips

Verify compatibility certification with AAR or UIC standards for vehicles in 8605/8606 to avoid reclassification

Include detailed engineering drawings and test reports in documentation to prove specific use on listed headings

Watch for anti-dumping duties on certain steel couplers from specific origins; check Commerce updates