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Auto Locking Hub

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The Auto Locking Hub enables the connection and disconnection of the “free-wheeling” wheels with the active drive system when switching modes between two-wheel drive and all-wheel drive.

Shifting to the all-wheel drive mode connects the front propshaft and the axle shafts to the other moving members of the drive system. Likewise, the front wheels and front axle shafts disconnect when shifting back into the two-wheel drive mode returning the front wheel to the “free-wheeling” condition.

The ALH accomplishes two basic operations, commonly known as “LOCK” and “UNLOCK”.


  • Stops unnecessary parasitic losses in two wheel drive.
  • Provides engagement of four-wheel drive at highway speeds.
  • Black powder coated with choice of aluminum decorative plate.


Input Configuration Female splines
Output Configuration Bolted flange
Locking & Unlocking 90°(clock wise and counter clock wise)
Weight (Kg) 1.75
Typical GVW Rating (Kgs) 2500
Housing Material Heat treated medium carbon steel