Specifications Fuel diesel Frequency 50.0 Hz Standby power 40 kW Standby kVA 40 Emissions EPA Tier 3 Voltage options 110 V, 220 V, 115 V, 230 V, 120 V, 240 V Phase 1 Dimensions (L×W×H) 1738×840×1039 mm Dry weight 1072 kg Sound level 72.0 dBA
Maintenance & consumables Item Spec Capacity Part # Interval Air filter — 8 hr find Fuel filter — 8 hr find Belt — 8 hr find Coolant — 8 hr Oil — 4 hr
Common questions What is the power rating of the Cummins/Onan MDDC? The Cummins/Onan MDDC is rated 40 kW standby (40.0 kVA).
What fuel does the Cummins/Onan MDDC use? The Cummins/Onan MDDC runs on diesel.
Troubleshooting 26 Fault codes Code Meaning Cause No. 16 Engine Pre-Alarms Code No. 3 Service Check Code No. 16 Engine Fault Above Normal SPN: 97, FMI: 0 Water In Fuel Indicator, Above Normal SPN: 100, FMI: 1 Engine Oil Pressure, Below Normal SPN: 110, FMI: 0 Engine Coolant Temperature, Above Normal SPN: 190, FMI: 0 Engine Speed, Above Normal SPN: 629, FMI: 13 Controller #1, Out of Calib SPN: 970, FMI: 31 Auxiliary Engine Shutdown Switch SPN: 1076, FMI: 3 Fuel Injection Pump Valve, Volt. Out/Range SPN: 1076, FMI: 5 Fuel Injection Pump Valve, Cur. Out/Range SPN: 1076, FMI: 10 Fuel Injection Pump Valve, Abnormal Rt/Chg SPN: 1076, FMI: 13 Fuel Injection Pump Valve, Out of Calib. SPN: 1109, FMI: 31 Approaching Shutdown SPN: 1110, FMI: 31 Engine Has Shut Down SPN: 1569, FMI: 31 Engine Torque Derate SPN: 2000, FMI: 06 ECU Failure, Cur. Out/Range SPN: 100, FMI: 3 Engine Oil Pressure, Voltage Out of Range SPN: 100, FMI: 4 Engine Oil Pressure, Volt. Out/Range SPN: 105, FMI: 3 Intake Manifold Temperature, Volt. Out/Range SPN: 105, FMI: 16 Intake Manifold Temperature, Above Normal SPN: 110, FMI: 3 Engine Coolant Temperature, Volt. Out/Range SPN: 158, FMI: 17 Battery Potential, Below Normal SPN: 174, FMI: 3 Fuel Temperature, Volt. Out/Range SPN: 174, FMI: 16 Fuel Temperature, Above Normal
Symptoms & remedies Symptom Remedy Exhaust leaks Inspect for exhaust leaks at every startup and after every eight hours of operation.
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts 5 Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.
Fuel consumption Rating Load L/h gal/h Standby 0% 0.8 0.3 Standby 0% 1.0 0.3 Standby 0% 1.3 0.4 Standby 1% 1.7 0.4
Available documents (Cummins/Onan) (Cummins/Onan) (Cummins/Onan) (Cummins/Onan) (Cummins/Onan) (Cummins/Onan) (Cummins/Onan)