AAR Type E Coupler Knuckle

The AAR Type E coupler knuckle is a critical replaceable component in standard North American freight car couplers, designed to engage and disengage with adjacent cars during coupling operations. It falls under HTS 8607.30.1050 as a specific part of freight rail couplers for vehicles of headings 8605 or 8606.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.6%+35.0%38.6%
🇲🇽Mexico3.6%+10.0%13.6%
🇨🇦Canada3.6%+10.0%13.6%
🇩🇪Germany3.6%+10.0%13.6%
🇯🇵Japan3.6%+10.0%13.6%

Alternative Classifications

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

7326.90.86Lower: 37.9% vs 38.6%

If imported as unfinished castings without coupler-specific machining

Unmachined steel castings default to Chapter 73 articles of iron or steel, not specific rail parts.

8431.49.90Lower: 35% vs 38.6%

If sold as part of a complete freight car coupling system assembly

Assembled parts of rail-specific machinery may shift to 8431 for parts of rolling stock machinery.

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Import Tips & Compliance

Verify AAR interchange standards compliance via certification from manufacturers like McConway & Torley to avoid customs rejection

Include detailed engineering drawings and material specs (typically cast steel) in documentation for proper classification

Avoid misclassification as general iron/steel articles (7302); specify freight rail end-use