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Tunnel Boring Machine Head from Japan

Rotary cutting head assembly for small-diameter tunnel excavation in soft ground urban projects. HTS 8430.49.80 covers this as other boring machinery for earth, excluding full TBMs often self-propelled.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Include cutter wheel specifications showing earth/rock compatibility for proper earth boring classification

Document intended tunnel diameter (<3m typically qualifies as 'other' vs heavy tunnelers)

Tunnel Boring Machine Head from Japan — Import Duty Rate | HTS 8430.49.80