| Item | Part No. | Part Name | Qty | Serial No. |
| (23B-25-00010) | TANDEM DRIVE ASS'Y,L.H. | 50001- | ||
| (23B-25-00020) | TANDEM DRIVE ASS'Y,R.H. | 50001- | ||
| 1 | 23B-25-21181 | SHAFT | 50068- | |
| 1 | 23B-25-21180 | SHAFT | 50001-50067 | |
| 2 | 23B-23-21210 | SPROCKET | 50001- | |
| 3 | 23B-23-21190 | SPACER | 50001- | |
| 4 | 23B-25-21240 | SPACER | 50001- | |
| 5 | 23B-25-21250 | SPACER | 50001- | |
| 6 | 23B-25-11130 | SUPPORT | 50001- | |
| 7 | 07000-15460 | O-RING (K2) | 50001- | |
| 8 | 23B-25-21230 | GEAR | 50001- | |
| 9 | 23B-25-00310 | COLLAR ASS'Y | 50001- | |
| 9 | \6\ | COLLAR | 50001- | |
| 10 | 23B-25-21220 | SPACER | 50001- | |
| 11 | 232-25-51430 | PLATE | 50001- | |
| 12 | 235-25-11360 | DISC | 50001- | |
| 13 | 23B-25-11390 | PISTON | 50001- | |
| 14 | 232-25-51170 | O-RING (K2) | 50001- | |
| 15 | 235-25-11250 | O-RING (K2) | 50001- | |
| 16 | 23B-25-11360 | BOLT | 50001- | |
| 17 | 235-25-11610 | WASHER | 50001- | |
| 18 | 232-25-51641 | SPRING | 50001- | |
| 19 | 23B-25-21170 | CAGE | 50001- | |
| 20 | 07042-20312 | PLUG,(FOR SHIPPING) | 50001- | |
| 21 | 01010-51630 | BOLT | 50001- | |
| 22 | 01010-51660 | BOLT | 50001- | |
| 23 | 01643-31645 | WASHER | 50001- | |
| 24 | 06002-32218 | BEARING | 50001- | |
| 25 | 238-25-16360 | SEAL,OIL (K2) | 50001- | |
| 26 | 23B-23-21170 | SPACER | 50001- | |
| 27 | 23B-23-21180 | O-RING (K2) | 50001- | |
| 28 | 23B-25-11350 | PLATE | 50001- | |
| 29 | 01010-51020 | BOLT | 50001- | |
| 30 | 01602-21030 | WASHER,SPRING | 50001- | |
| 31 | 23B-25-21260 | SPACER | 50001- | |
| 32 | 23B-25-21120 | CAGE | 50001- | |
| 33 | 06003-30314 | BEARING | 50001- | |
| 34 | 234-23-11180 | O-RING (K2) | 50001- | |
| 35 | 23B-25-00120 | SHIM ASS'Y | 50001- | |
| 35 | \6\ | SHIM, 0.1MM | 50001- | |
| 35 | \6\ | SHIM, 0.2MM | 50001- | |
| 35 | \6\ | SHIM, 0.5MM | 50001- | |
| 36 | 23A-22-11430 | HOLDER | 50001- | |
| 37 | 23B-25-00110 | SHIM ASS'Y | 50001- | |
| 37 | \6\ | SHIM, 0.1MM | 50001- | |
| 37 | \6\ | SHIM, 0.2MM | 50001- | |
| 37 | \6\ | SHIM, 0.5MM | 50001- | |
| 38 | 01010-51235 | BOLT | 50001- | |
| 39 | 238-22-15110 | LOCK | 50001- | |
| 40 | 23B-25-21160 | COVER | 50001- | |
| 41 | 234-23-12570 | O-RING (K2) | 50001- | |
| 42 | 01010-51650 | BOLT | 50001- | |
| 43 | 01643-31645 | WASHER | 50001- | |
| 44 | 23B-23-21300 | CHAIN ASS'Y | 50001- | |
| 44 | 23B-23-21330 | CHAIN | 50001- | |
| 44 | 23B-23-21320 | JOINT | 50001- | |
| 44 | 23B-23-21310 | PIN | 50001- | |
| 45 | 23B-25-11510 | BOLT | 50068- | |
| 45 | 01084-02055 | BOLT | 50001-50067 | |
| 46 | 01582-12218 | NUT | 50068- | |
| 46 | 01582-12016 | NUT | 50001-50067 | |
| 47 | 01643-32260 | WASHER | 50068- | |
| 47 | 01643-32060 | WASHER | 50001-50067 |