| Item | Part No. | Part Name | Qty | Serial No. |
| 26C-61-11301 | PUMP ASS'Y,HYDRAULIC | 11001- | ||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | \6\ | PLATE,GEAR | 11001- | |
| 2 | \6\ | PLATE,GEAR | 11001- | |
| 3 | KB20132-20444 | FLANGE | 11001- | |
| 4 | \6\ | PLATE,CENTER | 11001- | |
| 5 | KB20132-50656 | COVER | 11001- | |
| KBB520B-10005 | GEAR ASS'Y,FRONT | 11001- | ||
| 6 | \6\ | GEAR,DRIVE | 11001- | |
| 7 | \6\ | GEAR,DRIVEN | 11001- | |
| KBB520B-10004 | GEAR ASS'Y,REAR | 11001- | ||
| 8 | \6\ | GEAR,DRIVE | 11001- | |
| 9 | \6\ | GEAR,DRIVEN | 11001- | |
| 10 | KB20131-21543 | PLATE | 11001- | |
| 11 | \6\ | SEAL,PLATE (K2) | 11001- | |
| 12 | \6\ | RING,BACK-UP (K2) | 11001- | |
| 13 | \6\ | SEAL,OIL (K2) | 10001- | |
| 14 | \6\ | RING,SNAP (K2) | 10001- | |
| 15 | KB20141-30901 | STABILIZER | 11001- | |
| 16 | KB20131-30554 | BOLT | 11001- | |
| 17 | KB20111-11301 | WASHER | 11001- | |
| 18 | KB20121-41802 | COUPLING | 11001- |