| Item | Part No. | Part Name | Qty | Serial No. |
| 23B-60-11201 | PUMP ASS'Y | 1001-1700 | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.2505 AND 2507. | ||||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KB20121-60705 | FLANGE | 1001-1700 | |
| 2 | \6\ | BODY | 1001-1700 | |
| 3 | KB20121-70108 | PLATE | 1001-1700 | |
| 4 | KB20001-10305 | PLATE | 1001-1700 | |
| KB2012B-70013 | GEAR ASS'Y | 1001-1700 | ||
| 5 | \6\ | GEAR,DRIVE | 1001-1700 | |
| 6 | \6\ | GEAR,DRIVEN | 1001-1700 | |
| 7 | \6\ | BUSHING | 1001-1700 | |
| 8 | \6\ | BUSHING | 1001-1700 | |
| 9 | \6\ | PACKING,RING (K5) | 1001-1700 | |
| 10 | \6\ | PACKING,RING (K5) | 1001-1700 | |
| 11 | \6\ | SEAL (K5) | 1001-1700 | |
| 12 | \6\ | O-RING (K5) | 1001-1700 | |
| 13 | \6\ | O-RING (K5) | 1001-1700 | |
| 14 | \6\ | O-RING (K5) | 1001-1700 | |
| 15 | \6\ | SEAL,OIL (K5) | 1001-1700 | |
| 16 | \6\ | RING,SNAP (K5) | 1001-1700 | |
| 17 | KB20001-10306 | SLEEVE | 1001-1700 | |
| 18 | KB20111-20901 | COUPLING | 1001-1700 | |
| 19 | KB20001-10307 | SLEEVE | 1001-1700 | |
| 20 | KB94721-28121 | RING,SNAP | 1001-1700 | |
| 21 | KB94721-12101 | RING,SNAP | 1001-1700 | |
| 22 | KB20121-61241 | BOLT | 1001-1700 | |
| 23 | KB94101-10250 | WASHER,SPRING | 1001-1700 | |
| 24 | KB92178-10251 | BOLT | 1001-1700 | |
| 25 | KB94101-10251 | WASHER,SPRING | 1001-1700 |