The Kohler KDI 2504 TCR is a 2.5 L 4-cylinder turbocharged engine rated at 1800 rpm, producing up to 47 kW. It powers generator sets from Kohler, including the 45 REOZT4. It holds 11.2 L (3.0 gal) of oil and 17.2 L (4.5 gal) of coolant.
Part of the Kohler KDI 2504 engine family — 2 variants share parts & fitment.
| Oil capacity | 11.2 L |
|---|---|
| Coolant capacity | 17.2 L |
| Displacement | 2.5 L |
| Cylinders | 4 |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
| Gross power | 47 kW |
| Symptom | Cause | Remedy |
|---|---|---|
| Warning RED light turn on | Engine ECU has detect a malfunctions | Contact KOHLER authorised workshops |
| Warning YELLOW light turn on | Engine ECU has detect a malfunctions | Contact KOHLER authorised workshops |
| The engine does not start | Sulphated battery terminals corroded | Clean the battery terminals |
| The engine starts but stops | Inefficient electrical connections | Clean the electrical contacts |
| RPM instability at idle speed | Clogged fuel pipes | Contact KOHLER authorised workshops |
| Low idle speed | Clogged fuel pipes | Contact KOHLER authorised workshops |
| Poor quality fuel | Clean the tank and refuel with quality fuel | |
| Blue smoke | High oil sump level | Replace the engine oil |
| Excessive fuel consumption | Clogged air filter | Replace with a new filter |
| Engine lost its initial performance | Clogged air filter | Replace with a new filter |
| Slow acceleration | Clogged fuel filter | Replace the fuel filter |
| Engine jerking | Clogged fuel pipes | Contact KOHLER authorised workshops |
| Engine overheats | Insufficient coolant level | Fill up to the level |
Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.
Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.
The Kohler KDI 2504 TCR engine has an oil capacity of 11.2 liters.
The Kohler KDI 2504 TCR has a displacement of 2.5 liters with 4 cylinders.
The Kohler KDI 2504 TCR powers 1 generator set(s), including Kohler 45 REOZT4.