| Item | Part No. | Part Name | Qty | Serial No. |
| 23A-60-11101 | PUMP ASS'Y,HYDRAULIC | 10052-10640 | ||
| 23A-60-11100 | PUMP ASS'Y,HYDRAULIC | 10001-10051 | ||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KB20121-30101 | COVER | 10001-10640 | |
| 2 | \6\ | BODY,FRONT | 10052-10640 | |
| 2 | \6\ | BODY,FRONT | 10001-10051 | |
| 3 | \6\ | BODY,REAR | 10052-10640 | |
| 3 | \6\ | BODY,REAR | 10001-10051 | |
| 4 | KB20121-40105 | PLATE,CENTER | 10001-10640 | |
| 5 | \6\ | BUSHING (K10) | 10001-10640 | |
| 6 | \6\ | BUSHING (K10) | 10001-10640 | |
| 7 | \6\ | BUSHING (K11) | 10001-10640 | |
| 8 | \6\ | BUSHING (K11) | 10001-10640 | |
| 9 | \6\ | GEAR,DRIVE, FRONT (K10) | 10001-10640 | |
| 10 | \6\ | GEAR,DRIVE, REAR (K11) | 10001-10640 | |
| 11 | \6\ | GEAR,DRIVEN, FRONT (K10) | 10001-10640 | |
| 12 | \6\ | GEAR,DRIVEN, REAR (K11) | 10001-10640 | |
| 13 | KB20121-30705 | FLANGE | 10001-10640 | |
| 14 | \6\ | SEAL (K12) | 10001-10640 | |
| 15 | \6\ | SEAL (K12) | 10001-10640 | |
| 16 | \6\ | PACKING,RING (K12) | 10001-10640 | |
| 17 | \6\ | PACKING,RING (K12) | 10001-10640 | |
| 18 | KB20121-41265 | BOLT | 10001-10640 | |
| 19 | KB94101-10250 | WASHER,SPRING | 10001-10640 | |
| 20 | \6\ | SEAL,OIL (K12) | 10001-10640 | |
| 21 | KB20121-41802 | COUPLING | 10001-10640 | |
| 22 | \6\ | RING,SNAP (K12) | 10001-10640 |