New Holland WorkMaster 50 Service Manual page 268

Front axle system - Non-powered front axle
Non-powered front axle - Overview
The adjustable front axle is composed of a reversed U-type centre beam with telescopic sections at each end.
A number of holes at 50.00 mm (2.00 in) intervals are provided in the telescopic sections for track width adjustment
purpose. Adjustment of the front wheel track width is affected by extending or retracting both ends of the axle equally.
The centre beam is attached to the front axle carrier by means of a single pivot which allows oscillation on both sides.
The front axle is controlled by mechanical steering through swivel pin control lever. The two swivel pins are connected
by telescopic track control rod, which contain adjustment for toe-in.
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