Planetary Gearbox for Wind Turbine Rotor
Multi-stage planetary gearbox mounted directly on the wind turbine rotor hub to increase rotational speed for the main shaft. Classified under HTS 8483.40.50.20 as wind turbine speed changer with fixed ratios optimized for low-speed high-torque input from blades.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If classified primarily as transmission shafts
Camshafts/crankshafts have precedence over gearing function
If for industrial machinery not wind-specific
Unspecified industrial speed changers use different subheading
Not sure which classification is right?
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Import Tips & Compliance
• Include load spectrum documentation showing wind class rating (IEC IA/IB/II/III); verify oil lubrication system specs; arrange special handling for 5-10 ton units
Related Products under HTS 8483.40.50.20
Wind Turbine Yaw Drive Gearbox
Precision gearbox for wind turbine yaw system that rotates entire nacelle to face wind direction, featuring high-ratio worm or planetary gears. Although rotational speed is low, classified under HTS 8483.40.50.20 as wind turbine specific speed changer.
Wind Turbine Main Gearbox
The primary gearbox in a horizontal axis wind turbine that steps up the low rotational speed of the rotor shaft to the high speed required by the generator, typically achieving ratios of 50:1 to 100:1. It falls under HTS 8483.40.50.20 as a fixed ratio speed changer specifically designed for wind turbines per statistical note 6 to chapter 84. These gearboxes handle extreme torque loads from variable wind conditions.
Wind Turbine Generator Speed Multiplier Gearbox
High-speed multiplier gearbox coupling turbine rotor to electrical generator, featuring helical and planetary stages for smooth power transmission. Meets HTS 8483.40.50.20 criteria as purpose-built wind turbine speed changer with multiple fixed ratios.
Compact Gearbox for Small Wind Turbine
Integrated gearbox for turbines under 100kW capacity, combining multiple speed stages in compact housing for residential/small commercial wind systems. Falls under HTS 8483.40.50.20 as wind-specific speed changer despite smaller scale.
Two-Stage Helical Gearbox for Wind Turbine
Parallel axis helical gearbox with two fixed ratio stages for medium-speed wind turbine applications, designed for high efficiency (98%+) and low noise operation. Specifically provided for in HTS 8483.40.50.20 for wind turbine use.
High-Torque Offshore Wind Gearbox
Corrosion-resistant gearbox for offshore wind turbines rated 6-15MW, featuring enhanced sealing and oversized bearings for harsh marine environment. HTS 8483.40.50.20 applies to all wind turbine gearboxes regardless of location or capacity.