GMC Sierra Allison 1000 Series Transmission

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.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.5%+50.0%52.5%
🇲🇽Mexico2.5%+25.0%27.5%
🇨🇦Canada2.5%+25.0%27.5%
🇩🇪GermanyFree+15.0%15%
🇯🇵JapanFree+15.0%15%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8708.99Lower: 12.5% vs 52.5%

If for SUV applications under 8703 passenger vehicles

SUV-specific transmissions may fall under other parts if not truck-designated.

8483.60Lower: 12.8% vs 52.5%

If industrial non-auto use

Pure machinery clutches/gears outside Chapter 87 go to Chapter 84.

8708.40.11Same rate: 52.5%

If specifically enumerated models

Statistical breakout for certain common models; 'other' catches unlisted variants.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

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

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