原厂SD13推土机键10y-18-00042，山推原厂推土机键09233-02620止推垫圈04260-00635钢球07018-12105密封环10Y-15-00059板01010-31020螺栓01643-51032垫圈10Y-15-01000摩擦片10Y-15-00005垫板10Y-15-00008***排齿圈gear,ring10Y-15-00027第二排齿圈gear,ring10Y-15-00024***四排活塞piston10Y-15-00021密封环10Y-15-00026密封环10Y-15-00003弹簧10Y-15-00058弹簧)