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第一轴是江苏-50型拖拉机变速箱的输入轴,轴的一端花键上装有Ⅲ—Ⅳ档、Ⅱ—倒档及Ⅰ档滑动齿轮;另一端花键与主离合器从动盘联接。该轴为空心轴,中间穿有动
The first shaft is the input shaft of Jiangsu -50 tractor gearbox. One end of the shaft is splined with Ⅲ-Ⅳ gear, Ⅱ-reverse gear and Ⅰ gear sliding gear; the other end is splined to the main clutch driven plate. The shaft is hollow shaft, the middle wear a move