| 摘要 |
PROBLEM TO BE SOLVED: To cool the inside of a case appropriately so that transmission configuration of a paddy field working car equipped with an engine at its front side and with a working device at its rear side, when its belt-type continuously variable transmission is covered by the case, supports the case without receiving influence from vibration or heat of the engine. SOLUTION: Both moving-side pulley portions 22a, 23a of first and second pulleys 22, 23 in a belt-type continuous variable transmission 18 are equipped with transmission mechanism 30, 30a, 30b which is operated to move equally lower speed side or higher speed side, and the transmission 18 is placed on transmission section close to a transmission case 9 at the rear of the body and equipped with a covering case 17. The covering case 17 has an opening 17a, which is connected with a space covered by outer walls other than the covering case 17.
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