| Item | Part No. | Part Name | Qty | Serial No. |
| 263-60-31400 | PUMP ASS'Y,LUBRICATION | 11001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.2501 AND 2503. | ||||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | \6\ | BODY | 11001- | |
| 2 | KB20121-30705 | FLANGE | 11001- | |
| 3 | KB20121-40105 | PLATE,CENTER | 11001- | |
| KB2012B-40038 | GEAR ASS'Y,FRONT | 11001- | ||
| 4 | KB20121-46101 | GEAR,DRIVE | 11001- | |
| 5 | KB20121-36201 | GEAR,DRIVEN | 11001- | |
| 6 | KB20122-30311 | BUSHING | 11001- | |
| 7 | KB20122-30312 | BUSHING | 11001- | |
| 8 | KB20121-31001 | PACKING,RING (KIT) | 11001- | |
| 9 | KB20121-31101 | PACKING,RING (KIT) | 11001- | |
| 10 | KB20121-30901 | SEAL,OIL (KIT) | 11001- | |
| 11 | KB20121-30803 | SEAL,OIL (KIT) | 11001- | |
| 12 | KB20121-31409 | SEAL,OIL (KIT) | 11001- | |
| 13 | KB94721-32121 | RING,SNAP (KIT) | 11001- | |
| SERVICE KIT | ||||
| K | KB2012A-40012 | SERVICE KIT,PUMP | 11001- |