Herrenknecht Vertical Self-Propelled Tunnel Borer from Mexico
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 — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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