GMC Sierra Allison 1000 Series Transmission from Mexico
Allison 1000 6-speed automatic gearbox for GMC Sierra heavy-duty trucks (8704). Engineered for high-torque diesel applications in commercial fleets. HTS 8708.40.11.50 for such 8703/8704 gearboxes.
Duty Rate — Mexico → United States
27.5%
Rate breakdown
9903.94.0525%Except for products described in headings 9903.94.06, 9903.94.32, 9903.94.33, 9903.94.42, 9903.94.43, 9903.94.44, 9903.94.45, 9903.94.52, 9903.94.53, 9903.94.54, 9903.94.55, 9903.94.62, 9903.94.63, 9903.94.66 and 9903.94.67, automobile parts, as provided for in subdivision (g) of U.S. note 33 to this subchapter
9903.05.900%Articles already subject to Section 232 (steel/aluminum/copper + derivatives, autos + parts, wood, medium/heavy vehicles + parts, semiconductors, patented pharma) — U.S. note 52(f)
9903.74.100%Articles as provided for in subdivision (k) of U.S. note 38 to this subchapter
9903.74.110%Articles as provided for in subdivision (l) of U.S. note 38 to this subchapter.
Import Tips
• Reference Allison part numbers in commercial invoice to lock in correct HTS and valuation
• For used/reman units, follow statistical notes—declare prior sales history accurately
• Beware Section 301 tariffs if from China; many HD transmissions affected