The GTA28 is a 28 L 12-cylinder turbocharged & aftercooled engine rated at 1800 rpm. It powers generator sets from Katolight, including the NL400FGZ4, NL400FJZ4, NL400FNZ4 and NL400FPZ4. It holds 80 L (21.1 gal) of oil and 80 L (21.1 gal) of coolant.
| Oil capacity | 80.0 L |
|---|---|
| Coolant capacity | 80.0 L |
| Displacement | 28.0 L |
| Cylinders | 12 |
| Aspiration | Turbocharged & Aftercooled |
| Rated speed | 1800 rpm |