| 摘要 |
A self-propelled, operator controlled, load lifting and transporting vehicle including a mobile frame ( 96 ) supported by front and rear wheel assemblies ( 24, 26 ) at the front and rear of the frame and a drive motor ( 116 ) driving a hydrostatic drive system to drive a pair of transversely spaced front wheels ( 24 ). A pair of closely spaced rear wheels ( 26 ) are supported from the frame and includes a steering structure ( 106 ) oriented to enable operator control. A vertical mast ( 28 ) is supported at the front of the frame by a transverse, generally horizontal pivotal structure including a hydraulically operated piston and cylinder assembly ( 90 ) to vary the forward and rearward tilt of the mast.
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