The Isuzu 4LE2TAGV-03 is a 2.2 L 4-cylinder liquid cooled engine rated at 1800 rpm, producing up to 40.2 kW. It powers generator sets from Generac and Isuzu, including the MDG20IF4-MLG20IF4, MLG20IF4 and MLT4200IF4.
Also known as: Isuzu 4LE2TAGV-03
| Displacement | 2.2 L |
|---|---|
| Cylinders | 4 |
| Aspiration | liquid cooled |
| Rated speed | 1800 rpm |
| Gross power | 40 kW |
Shared across brands: Generac, Isuzu
| Code | Meaning | Remedy |
|---|---|---|
| 0 | In case of an emergency, always press the emergency stop switch located on the side of the unit to stop the engine immediately. The Stop/Reset (O) button may delay the engine shutdown if stop faults exist. | To prevent damage to the generator and connected equipment, remove all loads from the generator by opening all circuit breakers (turn to the OFF (O) position) before pressing the Stop/Reset (O) button. |
| Symptom | Cause |
|---|---|
| Ured current has fallen below the configured trip level | This is used to detect lamp failure. |
Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.
Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.
The Isuzu 4LE2TAGV-03 has a displacement of 2.2 liters with 4 cylinders.
The Isuzu 4LE2TAGV-03 powers 4 generator set(s), including Generac MDG20IF4-MLG20IF4, Generac MLG20IF4, Generac MLT4200IF4, Isuzu 4LE2TAGV-03.