| 摘要 |
Transmission mechanism accommodated in a transmission case includes an input shaft extending upward to connect to a vertical engine and an output shaft extending horizontally to connect to a working unit. The engine is mounted on an upper surface portion of the transmission case, and the working unit, motors and axles of left and right traveling sections, such as crawler belts, are attached to the transmission case between the traveling sections. The working unit is vertically pivotable about the central axis of axles of the traveling sections. The driving wheels and motors are positioned adjacent to front end portions of an engine crankshaft positioned near and rearward of the central axis.
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