- Oil seal of rear bearing cover of mainshaft
- Drawing No：4110000395212
- Oil sea
- Drawing No：4110001003103
- Washer
- Drawing No：4110001003102
- Oil sea
- Drawing No：4110001003098
- Hollow shaft
- Drawing No：4110000395216
- Spacing sleeve, bearing
- Drawing No：4110000395217
- Needle bearing(gb5846-86)
- Drawing No：4110000395265
- Input gear
- Drawing No：4110000395219