| Item | Part No. | Part Name | Qty | Serial No. |
| 263-60-31101 | PUMP ASS'Y,WORK EQUIPMENT | | .- |
| 263-60-31100 | PUMP ASS'Y,WORK EQUIPMENT | | 11501-. |
| | THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | | |
| 1 | \6\ | BODY | | 11501- |
| 2 | KB20131-20421 | FLANGE | | 11501- |
| 3 | KB20132-30321 | PLATE ASS'Y,CENTER | | 11501- |
| 4 | KB20131-20621 | COVER | | 11501- |
| KB2013B-30015 | GEAR ASS'Y,FRONT | | 11501- |
| 5 | \6\ | GEAR,DRIVE | | 11501- |
| 6 | \6\ | GEAR,DRIVEN | | 11501- |
| 7 | \6\ | BUSHING | | 11501- |
| 8 | \6\ | BUSHING | | 11501- |
| KB2013B-30016 | GEAR ASS'Y,REAR | | 11501- |
| 9 | \6\ | GEAR,DRIVE | | 11501- |
| 10 | \6\ | GEAR,DRIVEN | | 11501- |
| 11 | \6\ | BUSHING | | 11501- |
| 12 | \6\ | BUSHING | | 11501- |
| 13 | \6\ | SEAL,OIL (KIT) | | 11501- |
| 14 | \6\ | RING,BACK-UP (KIT) | | 11501- |
| 15 | \6\ | O-RING (KIT) | | 11501- |
| 16 | KB20131-20526 | BOLT | | 11501- |
| 17 | KB94101-10251 | WASHER,SPRING | | 11501- |
| 18 | \6\ | SEAL,OIL (KIT) | | 11501- |
| 19 | \6\ | RING,SNAP (KIT) | | 11501- |
| | SERVICE KIT | | |
| K | KB2013A-30011 | SERVICE KIT,HYDRAULIC PUMP | | 11501- |
