Steam Turbine Turning Gear from Japan
Low-speed motor-driven gear system rotating turbine rotor during cooldown and startup to prevent rotor sag. Pinion and bull gear assembly, HTS 8406.90.45.80 other parts. Prevents thermal bowing in large utility turbines.
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
• Prove integration with barring system via controls
• Gearing alone goes to 8483.40
• Motor separate from gear classification