现货推土机SD13湿地耳轴10s-80b-20000，推土机耳轴403016弹簧销轴403010A内密封环403008A一档活塞体403023固定板403004一挡有缸体GB3452.120×2.4O形圈20×2.4GB9314弹簧垫圈14GB5783M14×40螺栓M14×40403003A中盖403101旋转油封GB2766016深沟球轴承6016403103输入二级齿轮403102旋转油封GB30151111推力球轴承51111403104输入一级齿轮GB2766311深沟球轴承6311403105调整垫)