The Generac 12.0DTA is a 11.9 L 6-cylinder turbocharged and aftercooled engine rated at 1800 rpm, producing up to 264 kW. It powers generator sets from Generac, including the MB375, MB600 - GEM, MB750-GEM and MD750-GEM. It holds 31.04 L (8.2 gal) of oil and 83.27 L (22.0 gal) of coolant.
Also known as: Generac 12.0DTA
| Oil capacity | 31.04 L |
|---|---|
| Coolant capacity | 83.27 L |
| Displacement | 11.9 L |
| Cylinders | 6 |
| Aspiration | Turbocharged and Aftercooled |
| Rated speed | 1800 rpm |
| Gross power | 264 kW |
| Symptom | Cause | Remedy |
|---|---|---|
| Engine does not crank | Fuse blown. | Replace 7.5 amp fuse in generator control panel. Correct short circuit condition if fuse blows again. |
| Engine cranks but will not start | Out of LP fuel. | Replenish LP fuel. Turn on fuel shutoff valve. |
| Engine starts hard and runs rough | Air cleaner plugged or damaged. | Inspect/replace air cleaner. |
| Unit is set to OFF, but engine continues to run | Faulty keypad. | Contact an IASD. |
| No AC output from generator | Main line circuit breaker (MLCB) (generator disconnect) is OFF (OPEN). | Set MLCB (generator disconnect) to ON (CLOSED). |
| No transfer to standby after utility source failure | Faulty transfer switch coil. | Contact an IASD. |
Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.
The Generac 12.0DTA engine has an oil capacity of 31.04 liters.
The Generac 12.0DTA has a displacement of 11.9 liters with 6 cylinders.
The Generac 12.0DTA powers 5 generator set(s), including Generac MB375, Generac MB600 - GEM, Generac MB750-GEM, Generac MD750-GEM, Generac SD375.