| Item | Part No. | Part Name | Qty | Serial No. |
| (2691-2-31100) | ENGINE ASS'Y | 2501- | ||
| THIS ASSEMBLY CONSISTS OF ALL PARTS SHOWN IN FIGS.101 TO 127. | ||||
| THE KUBOTA PART NUMBER IS THAT KT IS REMOVED FROM KOMATSU PART NUMBER LISTED BELOW. | ||||
| 1 | KT14911-1311-1 | VALVE,INLET | 2501- | |
| 2 | KT14911-1312-1 | VALVE,EXHAUST | 2501- | |
| 3 | KT14351-1324-1 | SPRING,VALVE | 2501- | |
| 4 | KT14351-1333-1 | RETAINER,VALVE SPRING | 2501- | |
| 5 | KT14351-1336-3 | COLLET,VALVE SPRING | 2501- | |
| 6 | KT15261-1328-1 | CAP,VALVE | 2501- | |
| 7 | KT14911-1405-1 | BRACKET,ROCKER | 2501- | |
| 8 | KT01554-51050 | STUD | 2501- | |
| 9 | KT02118-50100 | NUT | 2501- | |
| 10 | KT04512-50100 | WASHER,SPRING | 2501- | |
| KT14911-1403-2 | ROCKER ARM ASS'Y,INLET | 2501- | ||
| 11 | KT14911-1414-2 | ARM,INLET | 2501- | |
| 12 | KT14351-1418-1 | BUSHING,ROCKER ARM | 2501- | |
| 13 | KT14301-1423-1 | SCREW,ADJUST | 2501- | |
| 14 | KT02116-50080 | NUT | 2501- | |
| KT14911-1404-1 | ROCKER ARM ASS'Y,EXHAUST | 2501- | ||
| 15 | KT14911-1416-1 | ARM,EXHAUST | 2501- | |
| 16 | KT14351-1418-1 | BUSHING,ROCKER | 2501- | |
| 17 | KT14301-1423-1 | SCREW,ADJUST | 2501- | |
| 18 | KT02116-50080 | NUT | 2501- |