Tunnel Boring Machine Cutterhead

Rotary cutting head assembly for tunnel boring machines designed to excavate hard rock in mining tunnels. Classified in HTS 8430.39.00 as other tunneling machinery for minerals and ores.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+35.0%35%
🇲🇽MexicoFree+10.0%10%
🇨🇦CanadaFree+10.0%10%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+10.0%10%

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

8430.50.50Same rate: 35%

If imported as replacement part, not assembled unit

Separate parts for tunneling machines have distinct provisions.

8207.19.60Higher: 37.9% vs 35%

If classified solely as rock drill bits

Interchangeable tools shift to Chapter 82 tooling.

8479.89.65Lower: 20.3% vs 35%

If for industrial machinery not specific to earth boring

Broad construction machines exclude mineral extraction focus.

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

Classify as complete machinery if functional; parts go under 8430.50

Include engineering drawings showing rock/mineral application