| Item | Part No. | Part Name | Qty | Serial No. |
| (262-61-77200) | PUMP ASS'Y,FORWARD | 12001- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.2501 AND 2502. | ||||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KB20132-60522 | FLANGE,MOUNTING | 12001- | |
| 2 | \6\ | PLATE,GEAR | 12001- | |
| 3 | KB20132-70320 | PLATE,CENTER | 12001- | |
| 4 | \6\ | PLATE,GEAR | 12001- | |
| 5 | KB20132-70721 | PLATE | 12001- | |
| KB2013B-70018 | GEAR ASS'Y,FRONT | 12001- | ||
| 6 | \6\ | GEAR,DRIVE | 12001- | |
| 7 | \6\ | GEAR,DRIVEN | 12001- | |
| KB2013B-80002 | GEAR ASS'Y,CENTER | 12001- | ||
| 8 | \6\ | GEAR,DRIVE | 12001- | |
| 9 | \6\ | GEAR,DRIVEN | 12001- | |
| 10 | KB20131-60720 | PLATE,PRESSURE | 12001- | |
| 11 | KB20131-60820 | SEAL,PLATE (K2) | 12001- | |
| 12 | KB20131-60920 | RING,BACK-UP (K2) | 12001- | |
| 13 | KB20131-61701 | SEAL,OIL (K2) | 12001- | |
| 14 | KB94721-40171 | RING,SNAP (K2) | 12001- | |
| 15 | KB20131-70401 | COUPLING | 12001- | |
| 16 | KB20131-61901 | COVER | 12001- | |
| 17 | KB92702-10160 | BOLT | 12001- | |
| 18 | KB95121-05500 | O-RING (K2) | 12001- | |
| 19 | KB20131-70901 | STABILIZER | 12001- | |
| 20 | KB20131-70808 | STUD | 12001- | |
| 21 | KB93308-14110 | NUT | 12001- | |
| 22 | KB20131-61801 | WASHER | 12001- | |
| 23 | KB20131-71002 | PLATE | 12001- | |
| 24 | KB20001-10417 | COUPLING | 12001- | |
| 25 | KB20001-10416 | PIN,DOWEL | 12001- | |
| 26 | KB95151-04000 | O-RING (K2) | 12001- | |
| 27 | KB20141-30601 | COVER | 12001- | |
| 28 | KB95111-03500 | O-RING (K2) | 12001- |