| Item | Part No. | Part Name | Qty | Serial No. |
| 263-60-31101 | PUMP ASS'Y | 11083- | ||
| 263-60-31100 | PUMP ASS'Y | 11001-11082 | ||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | \6\ | BODY | 11001- | |
| 2 | KB20131-20421 | FLANGE | 11001- | |
| 3 | KB20132-30321 | PLATE ASS'Y,CENTER | 11001- | |
| 4 | KB20131-20621 | COVER | 11001- | |
| KB2013B-30015 | GEAR ASS'Y,FRONT | 11001- | ||
| 5 | KB20131-30125 | GEAR,DRIVE | 11001- | |
| 6 | KB20131-30323 | GEAR,DRIVEN | 11001- | |
| 7 | KB20132-20721 | BUSHING | 11001- | |
| 8 | KB20132-20821 | BUSHING | 11001- | |
| KB2013B-30016 | GEAR ASS'Y,REAR | 11001- | ||
| 9 | KB20131-30225 | GEAR,DRIVE | 11001- | |
| 10 | KB20131-20323 | GEAR,DRIVEN | 11001- | |
| 11 | KB20132-20721 | BUSHING | 11001- | |
| 12 | KB20132-20821 | BUSHING | 11001- | |
| 13 | KB20131-21021 | SEAL,OIL (KIT) | 11001- | |
| 14 | KB20131-21121 | RING,BACK-UP (KIT) | 11001- | |
| 15 | KB20131-21321 | O-RING (KIT) | 11001- | |
| 16 | KB20131-20526 | BOLT | 11001- | |
| 17 | KB94101-10251 | WASHER,SPRING | 11001- | |
| 18 | KB20131-21221 | SEAL,OIL (KIT) | 11001- | |
| 19 | KB94721-35151 | RING,SNAP (KIT) | 11001- | |
| SERVICE KIT | ||||
| K | KB2013A-30011 | SERVICE KIT,PUMP | 11001- |