MULTIPLE-GEAR-RATIO PORTAL GEAR BOX

Abstract: a portal gear box assembly effective to lift and change the gear ratio of a wheel of an off-road vehicle includes a housing, an input gear sub-assembly, an output gear sub-assembly, and an idler gear sub-assembly effective for linking the input gear to the output gear. the input gear sub-assembly includes an input gear, the output gear sub-assembly includes an output gear, and the idler gear sub-assembly includes at least one idler gear and at least one removable adaptor effective for holding the idler gear in either a first position or a second position different from the first position. the sub-assemblies may also include bearings to facilitate movement of the gears.

Inventor(s): Jordan E. Stephan, Justin L. Eaton, Jason T. Stewart

CPC Classification: B60K17/043 ({Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel})

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