Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 284 kW |
| Prime power | 258 kW |
| Oil capacity | 14.5 L |
| Alternator | Marathon 432PSL6216 |
| Voltage options | 120 V, 139 V, 208 V, 220 V, 240 V, 277 V |
| Phase | 3Ø |
| Rated current | 414 A |
| Power factor | 1 (1Ø), 0.8 (3Ø) |
| Circuit breaker | 600 A |
| Battery group | 31 |
| Battery cranking | 1000 CCA |
| Battery voltage | 12V V |
| Battery quantity | 1 |
| Dry weight | 3421 kg |
| Fuel tank | 1295.0 L |
| Tank runtime | 32 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
How many kW is the Magnum MMG185D Super Start?
The Magnum MMG185D Super Start is rated 284 kW standby.
What engine does the Magnum MMG185D Super Start use?
The Magnum MMG185D Super Start is powered by the John Deere PE6068HF485 engine.
What's the oil capacity on a Magnum MMG185D Super Start?
The John Deere PE6068HF485 engine in the Magnum MMG185D Super Start has an oil capacity of 13.7 liters.
What alternator comes on the Magnum MMG185D Super Start?
The Magnum MMG185D Super Start uses a Marathon 432PSL6216 alternator.
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 MMG185D Super Start 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 | 100% | 32.3 | 8.53 |
| Standby | 100% | 28.0 | 7.4 |
Available documents
Service manual — MMG235 (Operation) (Magnum)