| Item | Part No. | Part Name | Qty | Serial No. |
| 23B-60-11101 | PUMP ASS'Y | 10049-10535 | ||
| 23B-60-11100 | 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\KB20122-70216) | BODY | 10001-10048 | |
| 3 | KB20121-70101 | PLATE | 10001-10535 | |
| 4 | \6\ | BODY | 10049-10535 | |
| 4 | (\7\KB20122-60257) | BODY | 10001-10048 | |
| 5 | KB20121-60101 | COVER | 10001-10535 | |
| 6 | (\7\KB20121-70505) | GEAR,DRIVE (K8) | 10001-10535 | |
| 7 | (\7\KB20121-60631) | GEAR,DRIVEN (K8) | 10001-10535 | |
| 8 | (\7\KB20122-60402) | BUSHING (K8) | 10001-10535 | |
| 9 | (\7\KB20122-60401) | BUSHING (K8) | 10001-10535 | |
| 10 | (\7\KB20121-80501) | GEAR,DRIVE (K9) | 10001-10535 | |
| 11 | (\7\KB20121-60601) | GEAR,DRIVEN (K9) | 10001-10535 | |
| 12 | (\7\KB20122-60302) | BUSHING (K9) | 10001-10535 | |
| 13 | (\7\KB20122-60301) | BUSHING (K9) | 10001-10535 | |
| 14 | (\7\KB20121-61101) | PACKING (K10) | 10001-10535 | |
| 15 | (\7\KB20121-61001) | PACKING (K10) | 10001-10535 | |
| 16 | (\7\KB20121-60901) | SEAL (K10) | 10001-10535 | |
| 17 | (\7\KB95142-01300) | O-RING (K10) | 10001-10535 | |
| 18 | (\7\KB20121-61405) | SEAL,OIL (K10) | 10001-10535 | |
| 19 | (\7\KB94721-40171) | RING,SNAP (K10) | 10001-10535 | |
| 20 | KB20121-71801 | COUPLING | 10001-10535 | |
| 21 | KB20121-41265 | BOLT | 10001-10535 | |
| 22 | KB94101-10250 | WASHER,SPRING | 10001-10535 |