Cycloidal Speed Reducer Housing

Cast iron housing encases eccentric discs and pins in a cycloidal speed reducer, providing structural integrity for high-shock load applications. Classified as HTS 8483.90.50 parts of gear boxes and speed changers in packaging machinery. Integral mounting flanges ensure alignment.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China2.5%+35.0%37.5%
🇲🇽Mexico2.5%+10.0%12.5%
🇨🇦Canada2.5%+10.0%12.5%
🇩🇪Germany2.5%+10.0%12.5%
🇯🇵Japan2.5%+10.0%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

8483.90.10Higher: 37.8% vs 37.5%

If parts of housed bearings rather than gearing

Bearing-specific housings classify under 8483.90.10.

8479.90Lower: 10% vs 37.5%

If dedicated to semiconductor wafer slicers

Statistical notes direct certain machine parts to Chapter 84 end-use.

8419.60.50Lower: 35% vs 37.5%

If for machinery cooling systems

Housings integral to specific Chapter 84 machines classify accordingly.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Include stress analysis reports showing load-bearing design for gearbox classification

Mark with casting alloy grade (e.g

ASTM A48 Class 30) for material verification

Separate from complete reducers to avoid duty escalation on finished assemblies

Related Products under HTS 8483.90.50

Helical Gearbox Input Shaft

This precision-machined steel input shaft transmits rotational power into a helical gearbox, featuring splines for secure meshing with the primary gear. It is classified under HTS 8483.90.50 as a dedicated part of gearing and gearboxes, essential for speed reduction in industrial machinery. Designed for high-torque applications in manufacturing equipment.

Spiral Bevel Gearbox Thrust Bearing Spacer

Precision-ground spacer maintains axial clearances in spiral bevel gearbox thrust bearing arrangements, preventing gear tooth overload. HTS 8483.90.50 part for heavy-duty speed changers in marine winches. Material-matched to housing expansion rates.

Planetary Gearbox Carrier Plate

A forged aluminum carrier plate holds planet gears within a planetary gearbox, enabling multi-stage speed reduction and torque multiplication. Classified under HTS 8483.90.50 as a core internal part of gear boxes and speed changers used in robotics and automation. Precision holes ensure proper gear meshing and load distribution.

Worm Gearbox Bronze Worm Wheel

This phosphor bronze worm wheel meshes with a worm screw in a worm gearbox to achieve high-ratio speed reduction with self-locking capability. It qualifies under HTS 8483.90.50 as a part of gearing and other speed changers for conveyor and hoist systems. High wear resistance suits heavy-duty industrial use.

Torque Converter Stator Assembly

Multi-bladed stator redirects fluid flow in automatic transmission torque converters to multiply engine torque during acceleration. Falls under HTS 8483.90.50 as parts of speed changers including torque converters for automotive and industrial applications. Precision vanes optimize hydraulic efficiency.

Inline Helical Gearbox Output Flange

Machined steel output flange couples inline helical gearboxes to driven equipment, featuring precise bolt patterns and centering diameters. HTS 8483.90.50 classification applies to this gearbox mounting part for conveyor drives. Balanced design minimizes vibration.