Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 63 kW |
| Standby kVA | 79 |
| Prime power | 58 kW |
| Controller | Magnum Digital (MDC) |
| Oil capacity | 15.5 L |
| Alternator | Marathon 363PSL1607 (1661) (Class H insulation) |
Engine
| Oil capacity | 14.7 L |
|---|---|
| Coolant capacity | 22.0 L |
| Displacement | 4.5 L |
| Aspiration | turbocharged |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the John Deere PE4045HFG92| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 300 hr | find | ||
| Fuel filter | — | 1000 hr | find | ||
| Oil filter | — | 300 hr | find | ||
| Belt | — | 500 hr | find | ||
| Coolant | 20.8 | — | 1000 hr | ||
| Coolant filter | — | find | |||
| Oil | 15.5 | — | 300 hr |
Common questions
What is the power rating of the Magnum MMG75?
The Magnum MMG75 is rated 63 kW standby (79.0 kVA).
What engine does the Magnum MMG75 use?
The Magnum MMG75 is powered by the John Deere PE4045HFG92 engine.
What is the oil capacity of the Magnum MMG75?
The John Deere PE4045HFG92 engine in the Magnum MMG75 has an oil capacity of 14.7 liters.
What alternator does the Magnum MMG75 use?
The Magnum MMG75 uses a Marathon 363PSL1607 (1661) alternator. Insulation class H.
Troubleshooting
5Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| LOW FUEL LEVEL SHUTDOWN | Fuel level is low, fuel tank has leaks, or fuel level sender and wiring are damaged. | Check the fuel level on the Home screen. Confirm that the generator is sitting level to ensure an accurate reading. Check for leaks in the fuel tank. If the fuel level is good and no leaks are found, check the fuel level sender and the connecting wiring for damage. |
| LOW OIL PRESSURE SHUTDOWN | Oil pressure is less than 20 psi (138 kPa), engine has oil leaks, or oil pressure sender is faulty. | Check the level of the engine oil with the dipstick. Visually inspect the engine for oil leaks. If the oil level is good, restart the unit and verify the loss of oil pressure. Check the oil pressure sender. |
| LOW COOLANT LEVEL SHUTDOWN | Coolant level in the radiator is low. | Allow the engine to cool. Check the coolant level in the radiator. |
| Engine shutdown | Fuel tank running dry, oil pressure less than 20 psi, coolant level low, high coolant temperature | Check fuel level and add if necessary; check for leaks; inspect engine for damage; check oil level and add if necessary; visually inspect engine for leaks; check coolant level and add if necessary; check radiator hoses, engine block, water pump for leaks; check oil to ensure no coolant mixed in; allow engine to cool before checking |
| HIGH COOLANT TEMPERATURE SHUTDOWN | Coolant temperature is 230°F (110°C) or more | Check coolant level in overflow jug, restart engine and read coolant temperature, add coolant if low |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
14| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 00087 | Twist-Lock Receptacles | 1 | Receptacle | PartsGeek |
| 00452 | 120V GFCI Receptacles | 1 | Receptacle | PartsGeek |
| 00453 | 20A Circuit Breakers | 1 | Breaker | PartsGeek |
| 100-025 | Air Filter | 1 | Air filter | PartsGeek |
| 100-030 | Oil Filter | 1 | Oil filter | PartsGeek |
| 100-045 | Fuel Filter | 1 | Fuel filter | PartsGeek FridayParts $20.19 |
| 100-060 | Coolant Filter | 1 | Coolant filter | PartsGeek dieselpartscenter $39.84 |
| 100-085 | Belt | 2 | Belt | PartsGeek |
| 100-100 | Spark Plug | 1 | Spark plug | PartsGeek |
| 25-1476 | Air Filter Minders | 1 | Air filter | PartsGeek |
| 25-1483 | Primary Air Cleaners | 1 | Air filter | PartsGeek |
| 25-1639 | Fuel Filters | 1 | Fuel filter | PartsGeek |
| 25-1648 | Oil Filters | 1 | Oil filter | PartsGeek |
| 12142 | Roof assembly | 1 | Service part / kit | PartsGeek |
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 | 23.5 | 6.2 | |
| Prime | 100% | 23.5 | |
| Standby | 18.1 | 4.78 | |
| Standby | 100% | 18.1 |
Available documents
Spec sheet — MMG75-SPECS (Magnum)Service manual — 32668 (Magnum)