| 摘要 |
PURPOSE:To enable the provision of the wide range in speed changing in a simple manner by providing the transmission path at least with two change gears, that are No.1 change gear and No.2 change gear, between an engine and a running transmission. CONSTITUTION:Power from an engine 11 is transmitted to a hydraulic pump 16 through a variable pulley 15, the effective diameter attached to the output shaft 14 thereof is variable, by a shaft 18 corresponding to the drive section F of said hydraulic pump 16 is extended forward along side of the engine, wherein No.2 change gear D as a belt type change gear with said shaft 18 attached as a drive shaft is provided at halfway the distance to the input shaft 20 of a mission case 1.
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