| Item | Part No. | Part Name | Qty | Serial No. |
| 23A-60-11401 | PUMP ASS'Y | 15057- | ||
| 23A-60-11400 | PUMP ASS'Y | 15001-15056 | ||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KB20121-30101 | COVER | 15001- | |
| 2 | \6\ | BODY | 15057- | |
| 2 | \6\ | BODY ASS'Y | 15001-15056 | |
| KB2012B-30045 | GEAR ASS'Y | 15001- | ||
| 3 | \6\ | BUSHING | 15001- | |
| 4 | \6\ | BUSHING | 15001- | |
| 5 | \6\ | GEAR,DRIVE | 15001- | |
| 6 | \6\ | GEAR,DRIVEN | 15001- | |
| 7 | \6\ | FLANGE | 15001- | |
| 8 | \6\ | SEAL,OIL (K1) | 15001- | |
| 9 | \6\ | SEAL (K1) | 15001- | |
| 10 | \6\ | PACKING,RING (K1) | 15001- | |
| 11 | \6\ | PACKING,RING (K1) | 15001- | |
| 12 | KB20121-31255 | BOLT | 15001- | |
| 13 | KB94101-10250 | WASHER,SPRING | 15001- | |
| 14 | \6\ | SEAL,OIL (K1) | 15001- | |
| 15 | \6\ | RING,SNAP (K1) | 15001- |