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  • July 31, 2026

WP Series Worm Gear Reducer Mounting Configurations – WPA, WPS, WPO, WPX, WPDA, WPDS Explained


WP Series Mounting Configurations – Choose the Right Model

The WP series worm gear reducer offers multiple mounting configurations to accommodate various space constraints and application requirements.

ModelConfigurationDescription
WPAHorizontal, foot-mountedWorm underneath, most common
WPSHorizontal, foot-mountedWorm on top
WPOHorizontal, foot-mountedVertical upward output
WPXHorizontal, foot-mountedVertical downward output
WPDAVertical, flange-mountedWorm underneath
WPDSVertical, flange-mountedWorm on top

How to Choose

WPA: Standard horizontal applications with ample floor space

WPS: When input shaft needs to be elevated

WPO/WPX: Vertical applications – output shaft points up/down

WPDA/WPDS: Direct motor mounting via flange – space-saving

Installation Tips

Install on a flat, rigid surface

Ensure proper alignment with driven shaft

When installing vertically, pay special attention to oil level

Do not exert pressure on output parts or housing during installation

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