| 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. | ||||
| KB20130-04596 | PUMP ASS'Y | 12001- | ||
| 1 | \6\ | PLATE,GEAR | 12001- | |
| 2 | KB20132-00701 | FLANGE,MOUNTING | 12001- | |
| 3 | KB20132-00801 | COVER | 12001- | |
| KB2013B-00031 | GEAR ASS'Y | 12001- | ||
| 4 | \6\ | GEAR,DRIVE | 12001- | |
| 5 | \6\ | GEAR,DRIVEN | 12001- | |
| 6 | KB20131-01001 | PLATE,SIDE | 12001- | |
| 7 | KB20131-01101 | PLATE,SIDE | 12001- | |
| 8 | KB20131-01303 | SEAL (K1) | 12001- | |
| 9 | KB20131-00901 | GASKET (K1) | 12001- | |
| 10 | KB20131-00902 | GASKET (K1) | 12001- | |
| 11 | KB20131-01403 | O-RING (K1) | 12001- | |
| 12 | KB20131-01504 | PIN,DOWEL | 12001- | |
| 13 | KB20131-01603 | SEAL,OIL (K1) | 12001- | |
| 14 | KB20131-01703 | BOLT | 12001- | |
| 15 | KB94721-32121 | RING,SNAP (K1) | 12001- | |
| 16 | KB92178-10251 | BOLT | 12001- | |
| 17 | KB20001-10399 | WASHER | 12001- | |
| 18 | KB95111-04200 | O-RING (K2) | 12001- |