| 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. | | |
| KT19167-1101-1 | AIR CLEANER ASS'Y | | 2501- |
| 1 | KT15241-1115-1 | BODY,AIR CLEANER | | 2501- |
| 2 | KT15221-8745-1 | LABEL,AIR CLEANER | | 2501- |
| KT15221-1108-1 | ELEMENT ASS'Y,AIR CLEANER | | 2501- |
| 3 | KT15221-1122-4 | ELEMENT,AIR CLEANER | | 2501- |
| 4 | KT19167-8748-1 | LABEL | | 2501- |
| 5 | KT15221-9262-1 | BOLT,WING | | 2501- |
| 6 | KT15221-9443-1 | WASHER,SEAL | | 2501- |
| 7 | KT15221-1141-2 | COVER,BAFFLE | | 2501- |
| 8 | KT15221-1117-1 | GASKET | | 2501- |
| 9 | KT15241-1116-1 | COVER,AIR CLEANER | | 2501- |
| 10 | KT14952-1135-1 | CAP,AIR CLEANER | | 2501- |
| KT14952-1107-1 | BAND ASS'Y,AIR CLEANER | | 2501- |
| 11 | KT14952-1125-1 | BAND | | 2501- |
| 12 | KT14952-1187-1 | CUSHION | | 2501- |
| 13 | KT01120-50825 | BOLT | | 2501- |
| KT14952-1156-1 | SUPPORT ASS'Y | | 2501- |
| 14 | KT14952-1157-1 | SUPPORT | | 2501- |
| 15 | KT14952-1187-1 | CUSHION | | 2501- |
| 16 | KT01153-50818 | BOLT | | 2501- |
| 17 | KT04512-50080 | WASHER,SPRING | | 2501- |
| 18 | KT14952-1162-1 | PIPE,INLET | | 2501- |
| 19 | KT15221-1172-2 | BAND,PIPE | | 2501- |
| 20 | KT15261-1172-1 | BAND,PIPE | | 2501- |
