| NO. | Part number | Note | Name |
| 0 | QH50 | ||
| 1 | 1-21-729-090 | Housing | |
| 2 | 1-21-729-105 | Housing | |
| 3 | 1-21-729-092 | ||
| 4 | -21-729-093 | Screw | |
| 5 | -21-729-003 | Finger | |
| 6 | -21-729-21 | Back nut | |
| 7 | 1-21-729-059 | ||
| 8 | 21-729-101 | Back nut | |
| 8a | 1-21-729-091 | Circlip | |
| 9 | QH50-4211302 | ||
| 10 | QH50-4211105 | A shaft with an axial hole | |
| 11 | QH50-4211111 | Circlip | |
| 12 | QH50-4211106 | A top gear | |
| 13 | K505517 | Needle bearing | |
| 14 | QH50-4211104 | ||
| 15 | 1-21-729-100 | Screw | |
| 16/17 | 32205 | Tapered roller bearings | |
| 18 | QH50-4211201 | ||
| 19 | 30208 | Tapered roller bearings | |
| 20 | QH50-4211301 | Fork | |
| 21 | QH50-4211312 | Setscrew | |
| 22 | QH50-4211305 | Shaft | |
| 23 | -21-729-084 | ||
| 23a | 1-21-729-106 | Circlip | |
| 25 | -21-729-021 | ||
| 26 | 1-21-729-124 | Transition cover | |
| 27 | 1-21-729-111 | The sending outer ring | |
| 28 | QH50-4211203 | Compactor | |
| 32 | -21-729-125 | Cover bearing housing |