| 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. | ||||
| KT14911-2111-1 | PISTON | 2501- | ||
| 2 | KT14911-2105-1 | RING ASS'Y | 2501- | |
| 3 | KT14351-2131-1 | PIN | 2501- | |
| 4 | KT14109-2133-4 | RING,SNAP | 2501- | |
| KT14911-2201-2 | ROD ASS'Y | 2501- | ||
| 5 | KT14911-2211-3 | ROD,CONNECTING | 2501- | |
| 6 | KT15231-2214-1 | BOLT,CONNECTING ROD | 2501- | |
| 7 | KT14911-2135-1 | BUSHING | 2501- | |
| 8 | KT14911-2231-1 | METAL,CRANK PIN | 2501- | |
| KT14952-2301-1 | CRANKSHAFT ASS'Y | 2501- | ||
| 9 | KT14952-2311-1 | CRANKSHAFT | 2501- | |
| 10 | KT15131-0138-1 | PLUG | 2501- | |
| 11 | KT14952-2611-1 | WEIGHT | 2501- | |
| 12 | KT14911-9103-2 | BOLT | 2501- | |
| 13 | KT14911-2345-1 | BEARING | 2501- | |
| 14 | KT14911-2361-1 | PLATE | 2501- | |
| 15 | KT14952-0537-1 | GUARD | 2501- | |
| 16 | KT01153-50818 | BOLT | 2501- | |
| 17 | KT04512-50080 | WASHER,SPRING | 2501- | |
| 18 | KT14921-2346-2 | BEARING | 2501- | |
| 19 | KT14921-2363-1 | RETAINER | 2501- | |
| 20 | KT14921-2362-1 | RING,SNAP | 2501- | |
| 21 | KT14952-2411-1 | GEAR | 2501- | |
| 22 | KT05712-00715 | KEY | 2501- |