SA3 Automatic Coupler from Mexico
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 — Mexico → United States
13.6%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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