| Item | Part No. | Part Name | Qty | Serial No. |
| 23B-60-11102 | PUMP ASS'Y,HYDRAULIC | 12001- | ||
| THE KAYABA KOGYO PART NUMBER IS THAT KB IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KB20132-60522 | FLANGE | 12001- | |
| 2 | \6\ | PLATE,GEAR | 12001- | |
| 3 | KB20132-70320 | PLATE,CENTER | 12001- | |
| 4 | \6\ | PLATE,GEAR | 12001- | |
| 5 | KB20132-60620 | COVER | 12001- | |
| KBB530B-10001 | GEAR ASS'Y,FRONT | 12001- | ||
| 6 | \6\ | GEAR,DRIVE | 12001- | |
| 7 | \6\ | GEAR,DRIVEN | 12001- | |
| KBB530B-10002 | GEAR ASS'Y,REAR | 12001- | ||
| 8 | \6\ | GEAR,DRIVE | 12001- | |
| 9 | \6\ | GEAR,DRIVEN | 12001- | |
| 10 | KB20131-60722 | PLATE | 12001- | |
| 11 | \6\ | SEAL,PLATE (K9) | 12001- | |
| 12 | \6\ | RING,BACK-UP (K9) | 12001- | |
| 13 | \6\ | SEAL,OIL (K9) | 12001- | |
| 14 | \6\ | RING,SNAP (K9) | 12001- | |
| 15 | KB20131-70401 | COUPLING | 12001- | |
| 16 | KB20131-61901 | COVER,CONNECTOR | 12001- | |
| 17 | KB92702-10160 | BOLT | 12001- | |
| 18 | \6\ | O-RING (K9) | 12001- | |
| 19 | KB20131-70901 | STABILIZER | 12001- | |
| 20 | KB20131-70805 | BOLT | 12001- | |
| 21 | KB93308-14110 | NUT | 12001- | |
| 22 | KB20131-61801 | WASHER | 12001- |