| Engine Model | Engine S/N Base | Engine S/N First | Engine S/N Last |
|---|---|---|---|
| C18 | M1Z | 1 | UP |
| C18 | 91Z | 1 | UP |
| C18 | BTX | 1 | UP |
| C18 | STD | 1 | UP |
| C18 | STM | 1 | UP |
| C18 | DKE | 1 | UP |
| C18 | EST | 144 | 99999 |
| C18 | FST | 507 | UP |
| C18 | EKW | 1 | UP |
| C18 | 188 | 1 | UP |
| C18 | PEJ | 1 | UP |
| C18 | G4C | 1 | UP |
| C18 | P1L | 1 | UP |
| C18 | P6Z | 1 | UP |
| C18 | N1D | 1 | UP |
| 3412C | 90Z | 1 | UP |
| 3412C | 91Z | 1 | UP |
| C18 | C6C | 1 | UP |
| C18 | N1C | 1 | UP |
| C18 | P1C | 1 | UP |
| C18 | NKK | 1 | UP |
| C18 | P1M | 1 | UP |
| C18 | BXD | 1 | UP |
| C18 | 90Z | 1 | UP |
| C18 | ELL | 1 | UP |