| Arrangement | Engine Model | Engine S/N Base | Engine S/N First | Engine S/N Last |
|---|---|---|---|---|
| 1523331 | 3126 | 1WM | 1 | UP |
| 1452159 | 3126 | 1WM | 12066 | 26507 |
| 1468700 | 3126 | 1WM | 12819 | 26507 |
| 1440029 | 3126 | 1WM | 9482 | 26507 |
| 1541033 | 3126B | 7AS | 1 | UP |
| 1561957 | 3126 | 8HW | 1 | UP |
| 1319250 | 3126 | 1WM | 1862 | 26507 |
| 1506141 | 3126 | 1WM | 1 | 26507 |