| Item | Part No. | Part Name | Qty | Serial No. |
| 263-60-31400 | PUMP ASS'Y,LUBRICATION | | 11501- |
| | THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | | |
| | THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.2501 AND 2502. | | |
| 1 | \6\ | BODY | | 11501- |
| 2 | KB20121-30705 | FLANGE | | 11501- |
| 3 | KB20121-40105 | PLATE,CENTER | | 11501- |
| KB2012B-40038 | GEAR ASS'Y,FRONT | | 11501- |
| 4 | \6\ | GEAR,DRIVE | | 11501- |
| 5 | \6\ | GEAR,DRIVEN | | 11501- |
| 6 | \6\ | BUSHING | | 11501- |
| 7 | \6\ | BUSHING | | 11501- |
| 8 | \6\ | PACKING,RING (KIT) | | 11501- |
| 9 | \6\ | PACKING,RING (KIT) | | 11501- |
| 10 | \6\ | SEAL,OIL (KIT) | | 11501- |
| 11 | \6\ | SEAL,OIL (KIT) | | 11501- |
| 12 | \6\ | SEAL,OIL (KIT) | | 11501- |
| 13 | \6\ | RING,SNAP (KIT) | | 11501- |
| | SERVICE KIT | | |
| K | KB2012A-40012 | SERVICE KIT,HYDRAULIC PUMP | | 11501- |
