| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 23B-70-52130 | Cover | B40001- | |
| 2 | 01010-81025 | Bolt | B40001- | |
| 3 | 01643-31032 | Washer | B40001- | |
| 4 | 23B-70-52140 | Cover | B40001- | |
| 5 | 23B-70-52311 | Wheel, Worm | B40001- | |
| 6 | 23B-70-52180 | Shaft | B40001- | |
| 7 | 235-70-45260 | Spacer | B40001- | |
| 8 | 714-07-12680 | Plate, Separate | B40001- | |
| 9 | 235-70-45420 | Disc | B40001- | |
| 10 | 235-70-45270 | Spacer | B40001- | |
| 11 | 235-70-45360 | Spring | B40001- | |
| 12 | 23B-70-52210 | Bushing | B40001- | |
| 13 | 23B-70-52240 | Collar | B40001- | |
| 14 | 23B-70-52230 | Plate | B40001- | |
| 15 | 01010-81240 | Bolt | B40001- | |
| 16 | 01643-31232 | Washer | B40001- | |
| 17 | 235-70-45330 | Shim, T=0.5mm | B40001- | |
| 235-70-45340 | Shim, T=0.2mm | B40001- | ||
| 18 | 07000-15195 | O-ring | B40001- | |
| 19 | 23B-70-52110 | Case | B40001- | |
| 20 | 07000-15260 | O-ring | B40001- | |
| 21 | 07041-13012 | Plug | B40001- | |
| 22 | 07002-13034 | O-ring | B40001- | |
| 23 | 07040-11812 | Plug | B40001- | |
| 24 | 07002-11823 | O-ring | B40001- | |
| 25 | 23B-70-52290 | Seal | B40001- | |
| 26 | 23B-70-72190 | Bushing | B40001- | |
| 27 | 23B-70-52121 | Worm | B40001- | |
| 28 | 06002-30310 | Bearing | B40001- | |
| 29 | 01010-81030 | Bolt | B40001- | |
| 30 | 01643-31032 | Washer | B40001- | |
| 31 | 07042-70108 | Plug | B40001- | |
| 32 | 238-70-16210 | Shim, T=0.1mm | B40001- | |
| 238-70-16220 | Shim, T=0.2mm | B40001- | ||
| 238-70-16240 | Shim, T=1.0mm | B40001- | ||
| 23B-70-52470 | Shim, T=0.05mm | B40001- | ||
| 33 | 23B-70-52250 | Housing | B40001- | |
| 34 | 01140-81235 | Stud | B40001- | |
| 35 | 01582-11210 | Nut | B40001- | |
| 36 | 01643-31232 | Washer | B40001- | |
| 37 | 07000-12130 | O-ring | B40001- | |
| 38 | 23B-62-31100 | Motor Assembly | B40001- | |
| 39 | 01252-41035 | Bolt, Hexagon Socket Head | B40001- | |
| 40 | 01643-31032 | Washer | B40001- | |
| 41 | 23B-70-16240 | O-ring | B40001- | |
| 42 | (23B-70-71121) | Drawbar | - |