| Item | Part No. | Part Name | Qty | Serial No. |
| 1 | 427-01-A1500 | ENGINE, COMPLETE AND SERVICE | A50001-A50010- | |
| 1 | 427-01-A1501 | ENGINE, COMPLETE AND SERVICE | A50011-A50018- | |
| 1 | 427-01-A1502 | ENGINE, COMPLETE AND SERVICE | A50019 AND UP- | |
| PLEASE CONTACT YOUR KOMATSU DISTRIBUTOR FOR MODIFICATION INSTRUCTIONS WHEN UPGRADING ENGINE TO 427-01-A1502. | ||||
| F1 - WHEN ORDERING A SERVICE ENGINE, GIVE COM PLETE SERIAL NUMBER (INCLUDING LETTERS AND NUMERALS) SHOWN ON THE ENGINE TO BE REPLACED. |