| Item | Part No. | Part Name | Qty | Serial No. |
| 23A-60-11202 | PUMP ASS'Y | 10140-10535 | ||
| \0\23A-60-11201 | PUMP ASS'Y | 10049-10139 | ||
| 23A-60-11200 | PUMP ASS'Y | 10001-10048 | ||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KB20121-60705 | FLANGE | 10001-10535 | |
| 2 | \6\ | BODY | 10049-10535 | |
| 2 | (\7\KB20122-60258) | BODY | 10001-10048 | |
| 3 | KB20121-60101 | COVER | 10001-10535 | |
| KB2012B-60009 | SERVICE KIT | 10001-10535 | ||
| 4 | (\7\KB20121-60523) | GEAR,DRIVE | 10001-10535 | |
| 5 | (\7\KB20121-60641) | GEAR,DRIVEN | 10001-10535 | |
| 6 | (\7\KB20122-60402) | BUSHING | 10001-10535 | |
| 7 | (\7\KB20122-60401) | BUSHING | 10001-10535 | |
| KB2012A-60004 | SERVICE KIT | 10001-10535 | ||
| 8 | (\7\KB20121-61101) | PACKING | 10001-10535 | |
| 9 | (\7\KB20121-61001) | PACKING | 10001-10535 | |
| 10 | (\7\KB20121-60901) | SEAL | 10001-10535 | |
| 11 | (\7\KB20121-01300) | O-RING | 10001-10535 | |
| 12 | (\7\KB20121-61405) | SEAL,OIL | 10001-10535 | |
| 13 | (\7\KB94721-40171) | RING,SNAP | 10001-10535 | |
| 14 | KB20121-61241 | BOLT | 10001-10535 | |
| 15 | KB94101-10250 | WASHER,SPRING | 10001-10535 |