| S/N | Name | Model | Part Code | Action |
|---|---|---|---|---|
| 2 | Insulator | WBD20X28X1 | ||
| 3 | Planetary gear | 8G55-7211C | 2402302AS01H | |
| 1 | Washer | WBD20X39X1.5 | ||
| 4 | Pin shaft | 8G55-7115A1 | ||
| 5 | Spring column pin | Q527B0514H | ||
| 6 | Needle roller | WB5X15.8 | 1701504AS04A | |
| 7 | Big ring gear | 8G55-7094 | ||
| 8 | Flat steel wire retaining ring for holes | WB434152X2 | ||
| 9 | Planetary gear carrier | 8G55-7010C | 1901227AS001 | |
| 10 | Straight pin | Q5211228 | ||
| 11 | Combined tooth fixing plate | 8G55-7025 | ||
| 15 | Circlip | WB433105X3 | ||
| 14 | Deep groove ball bearing | WB61912 | N4331000001U | |
| 13 | Circlip | WB43085 | ||
| 12 | Gear seat fixed inner ring | 8G55-7664 | ||
| 16 | Auxiliary gear box fork shaft | 8G55-7071 | 1901219AS006 | |
| O type sealing ring | WBOM22.4X3.55 | |||
| Auxiliary gear box fork | 8G55-7073 | 1703602AS003 | ||
| Hexagon head bolts with hole on head | Q171B0845 | |||
| Steel wire（1.2mm） | ||||
| 17 | Auxiliary gear box synchronizer | 8G55-7060 | 1701060AS04A |
