Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 177 kW |
| Standby kVA | 221 |
| Prime power | 162 kW |
| Emissions | Tier III |
| Controller | Microprocessor-based controller |
| Oil capacity | 13.7 L |
| Voltage options | 120 V, 240 V |
| Phase | single |
| Circuit breaker | 700 A |
| Battery cranking | 1000 CCA |
| Max ambient | 49 °C |
| Dimensions (L×W×H) | 5330×2180×2360 mm |
| Dry weight | 3833 kg |
| Sound level | 68.0 dBA @ 7 m |
| Fuel tank | 1294.6 L |
| Tank runtime | 25 hr |
Engine
| Oil capacity | 13.7 L |
|---|---|
| Coolant capacity | 29.8 L |
| Displacement | 6.8 L |
| Aspiration | turbocharged |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the John Deere PE6068HF485| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | ||||
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Oil | — | ||||
| Spark plug | — |
Common questions
What is the power rating of the Magnum MMG185?
The Magnum MMG185 is rated 177 kW standby (221.0 kVA).
What engine does the Magnum MMG185 use?
The Magnum MMG185 is powered by the John Deere PE6068HF485 engine.
What fuel does the Magnum MMG185 use?
The Magnum MMG185 runs on diesel.
What's the oil capacity on a Magnum MMG185?
The John Deere PE6068HF485 engine in the Magnum MMG185 has an oil capacity of 13.7 liters.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| LOW FUEL LEVEL SHUT DOWN | Fuel level on the Liquid Crystal Display (LCD) window is low or fuel tank has leaks. | Check the fuel level and ensure it is not running dry. Check for leaks in the fuel tank. |
| LOW OIL PRESSURE SHUT DOWN | Engine oil pressure is less than 20 psi (138 kPa). | Check engine oil level and add oil if required. Visually inspect the engine for oil leaks. |
| LOW COOLANT LEVEL SHUT DOWN | Coolant level in the radiator is low or coolant lines have visible leaks. | Check the coolant level and add coolant if necessary. Inspect for leaks in coolant hoses, engine block, and water pump. |
| HIGH COOLANT TEMPERATURE SHUT DOWN | Coolant temperature is 230°F (110°C) or more. | Check coolant level in the overflow jug and add coolant if necessary. Inspect radiator, coolant hoses, engine block, water pump for leaks. Check serpentine drive belt tension. |
| OVERCRANK SHUT DOWN | Engine will not start. | Check fuel level in tank and proper operation of the fuel pump. Check air filter for blockage. |
| OVERSPEED OR UNDERSPEED SHUT DOWN | Engine speed is above or below 60.0 Hz. | Disconnect all loads and restart the generator to read frequency (Hz). Adjust engine speed as necessary. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Magnum MMG185 troubleshooting guide (8 entries) →
Parts
2| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 100-001 | Air Filter | 1 | Air filter | Amazon Amazon eBay |
| 30175 | Decal, UN31A Tank Caution (Optional) | 1 | Service part / kit | Amazon eBay FridayParts $85.00 |
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 |
|---|---|---|---|
| Prime | 65.8 | 17.38 | |
| Prime | 50% | 28.8 | 6.6 |
| Prime | 75% | 43.2 | 9.5 |
| Prime | 100% | 32.3 | 8.53 |
| Standby | 100% | 28.0 | 7.4 |
Available documents
Spec sheet — MMG185 Mobile (Magnum)Service manual — MMG235 (Operation) (Magnum)