John Deere 4039T Engine
The John Deere 4039T is a 3.92 L 4-cylinder turbocharged engine rated at 1800 rpm, producing up to 76 kW. It powers generator sets from Kohler, including the 50ROZJ. It holds 13.2 L (3.5 gal) of oil and 18 L (4.8 gal) of coolant.
Engine specifications
| Oil capacity | 13.2 L |
|---|---|
| Coolant capacity | 18.0 L |
| Displacement | 3.92 L |
| Cylinders | 4 |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |