Top Drive Rotary System for Gas Wells from Germany
A top drive rotary system replaces the kelly-rotary table setup, directly rotating the drill string from the derrick top in gas well drilling. Classified in HTS 8430.49.8010 as advanced rotary boring machinery for oil and gas fields.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Provide OEM manuals detailing rotary motor and gearbox for customs tech review
• Certify as complete functional unit to avoid parts breakdown under 8431