| 摘要 |
PROBLEM TO BE SOLVED: To ensure the protection of a belt pulley type continuously variable transmission 10 in a farm working machine without becoming bulky. SOLUTION: A driving side pulley 21 and a driven side pulley 23 wound with a belt 24; an arm part 34b serving as the operating mechanism of movable sheaves 26, 41; a driving side operating rod 37 with the tip connected to the arm part 34b; an arm part 45b; and a driven side operating rod 48 with the tip connected to the arm part 45b are arranged in a space surrounded by a longitudinal main frame 80 of a vehicle body frame 2, an engine 5 and a transmission case 6 from the top view. The driving side operating rod 37 and the driven side operating rod 48 extend almost linearly and almost parallel with the main frame 80, long in the rear direction and arranged to almost overlap with the main frame 80 from the side face view. The upper part of the driving side pulley 21 and driven side pulley 23 is covered with a side deck panel from the side face view.
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