Herrenknecht Vertical Self-Propelled Tunnel Borer from Japan
Self-propelled vertical shaft sinking machine for urban tunneling access shafts. Classified in HTS 8430.41.00.00 as self-propelled boring machinery for earth. Features cutterhead and muck removal system.
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
• Submit geotechnical survey compatibility to affirm earth boring use
• Document cutter wheel specs excluding rock/mineral primary focus
• Prepare modular assembly plans for containerized import