| Item | Part No. | Part Name | Qty | Serial No. |
| 23A-60-11200 | PUMP ASS'Y | 60001-60031 | ||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KB20121-60705 | FLANGE | 60001-60031 | |
| 2 | \6\ | BODY | 60001-60031 | |
| 3 | KB20121-60101 | COVER | 60001-60031 | |
| KB2102B-60009 | GEAR ASS'Y | 60001-60031 | ||
| 4 | \6\ | GEAR,DRIVE | 60001-60031 | |
| 5 | \6\ | GEAR,DRIVEN | 60001-60031 | |
| 6 | \6\ | BUSHING | 60001-60031 | |
| 7 | \6\ | BUSHING | 60001-60031 | |
| KB2102A-60004 | SEAL KIT | 60001-60031 | ||
| 8 | \6\ | PACKING,RING | 60001-60031 | |
| 9 | \6\ | PACKING,RING | 60001-60031 | |
| 10 | \6\ | SEAL | 60001-60031 | |
| 11 | \6\ | O-RING | 60001-60031 | |
| 12 | \6\ | SEAL,OIL | 60001-60031 | |
| 13 | \6\ | RING,SNAP | 60001-60031 | |
| 14 | KB20121-61241 | BOLT | 60001-60031 | |
| 15 | KB94101-10250 | WASHER,SPRING | 60001-60031 |