The Kohler KDI 1903 TCR is a 1.9 L 3-cylinder turbocharged engine rated at 1800 rpm, producing up to 37 kW. It powers generator sets from Kohler, including the 30 REOZK4 and 35 REOZT4. It holds 8.4 L (2.2 gal) of oil and 17.2 L (4.5 gal) of coolant.
Also known as: Kohler Diesel KDI 1903 TCR, KDI 1903TCR
| Oil capacity | 8.4 L |
|---|---|
| Coolant capacity | 17.2 L |
| Displacement | 1.9 L |
| Cylinders | 3 |
| Aspiration | Turbocharged |
| Rated speed | 1800 rpm |
| Gross power | 37 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 |
| Engine ECU has detect a malfunctions | Contact KOHLER authorised workshops | |
| Engine starts but stops | Inefficient electrical connections | Clean the electrical contacts |
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 1903 TCR engine has an oil capacity of 8.4 liters.
The Kohler KDI 1903 TCR has a displacement of 1.9 liters with 3 cylinders.
The Kohler KDI 1903 TCR powers 3 generator set(s), including Kohler 30 REOZK4, Kohler 35 REOZT4, Kohler KDI 1903 TCR.