The PSI Power Systems 21.9L is a 21.9 L 12-cylinder turbocharged & air-to-air charge-cooled engine. It powers generator sets from PSI Power Systems, including the PSI 21.9-liter.
| Displacement | 21.9 L |
|---|---|
| Cylinders | 12 |
| Aspiration | Turbocharged & air-to-air charge-cooled |