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  • August 03, 2026

WPKS series cast iron worm gear reducer - dimensions and installation drawings


WPKS Series Worm Gear Reducer – Dimensions & Mounting Drawings

The WPKS series worm gear reducer is an inch-dimension variant of the WP family, featuring a standard input shaft configuration with foot-mounted cast iron housing. 

Main features of WP turbine worm reducer

1.Cast iron casing - sturdy and durable, suitable for heavy-duty applications

2.Inch Size Series - Compatible with Imperial Measurement Systems

3.45 # hard steel worm gear+tin bronze worm gear - excellent wear resistance

4.Self locking function - prevents reverse safety

5.Proportion: 10:1-60:1 (single-stage)

wpks series worm gear reduction gearbox.png

Standard Sizes Available

WPKS series covers sizes 50, 60, 70, 80, 100, 120, 135, 155, 175, 200

Mounting Dimensions (Typical Drawing References)


DimensionDescriptionSize 80 (Reference)
ACenter distance80 mm
ABBase mounting hole spacing160 mm
HOverall height265 mm
HLOverall length200 mm
Input ShaftDiameter × Keyway22 mm × 7×4
Output ShaftDiameter × Keyway35 mm × 10×38.3

Full dimension drawings available – contact us for PDF catalog

WP single-stage worm gear reducer.png

Need full dimension drawing, detailed weight table or custom ratio quotation? Fill in your required model, power and installation type via the inquiry form, our transmission engineer will reply within 24 hours with complete specs & weight data.


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