| 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. | ||||
| KT14962-0304-2 | CYLINDER HEAD ASS'Y | 2501- | ||
| 1 | KT14962-0311-2 | HEAD,CYLINDER | 2501- | |
| 2 | KT15321-9626-3 | PLUG | 2501- | |
| 3 | KT14681-9685-1 | PLUG | 2501- | |
| 4 | KT14301-3396-1 | PIN,PIPE | 2501- | |
| 5 | KT14911-0341-2 | STUD,HEAD | 2501- | |
| 6 | KT14952-0351-1 | NUT,HEAD | 2501- | |
| 7 | KT15121-0354-2 | WASHER | 2501- | |
| 8 | KT15221-0341-2 | STUD,HEAD | 2501- | |
| 9 | KT15221-0351-1 | NUT,HEAD | 2501- | |
| 10 | KT15221-0354-1 | WASHER | 2501- | |
| 11 | KT14952-0331-2 | GASKET,HEAD | 2501- | |
| 12 | KT14301-7311-5 | COCK,DRAIN | 2501- | |
| 13 | KT15521-6551-1 | PLUG,GLOW | 2501- | |
| 14 | KT14958-6556-1 | CORD | 2501- |