| 摘要 |
A working truck in which speed change function and handling performance are enhanced by providing a hydraulic speed change mechanism 57 and a transmission gear 74 for transmitting the driving power of an engine 2, forming a speed change output by combining outputs from the hydraulic speed change mechanism 57 and the transmission gear 74, obtaining an output of high power transmission efficiency using the transmission gear 74, obtaining a variable speed output capable of zero start using the hydraulic speed change mechanism 57 and performing speed regulation by a simple speed change operation depending on the situation, and in which creep speed performance is enhanced easily by rotating an output shaft 84 for combining and speed changing the outputs from the hydraulic speed change mechanism 57 and the transmission gear 74 uni-directionally by forward or reverse rotation of the hydraulic speed change mechanism 57 thereby ensuring the output torque easily at the time of zero start, while furthermore work efficiency on a muddy pavement is enhanced utilizing the output of high power transmission efficiency from the transmission gear 74 effectively at the working speed.
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