Service parts for the MMG100
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 86 kW |
| Standby kVA | 107 |
| Prime power | 78 kW |
| Emissions | Tier III |
| Controller | Magnum Digital (MDC) |
| Oil capacity | 15.5 L |
| Voltage options | 120/240 V, 120/208 V, 277/480 V |
| Circuit breaker | 400 A |
| Battery cranking | 720 CCA |
| Max ambient | 48.89 °C |
| Dimensions (L×W×H) | 4010×1520×2130 mm |
| Dry weight | 1860 kg |
| Sound level | 68.0 dBA @ 7.01 m |
| Fuel tank | 556.4 L |
| Tank runtime | 22 hr |
Engine
| Oil capacity | 13.7 L |
|---|---|
| Coolant capacity | 29.8 L |
| Displacement | 4.5 L |
| Aspiration | turbocharged |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the John Deere PE4045HF285| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Filter Minders | 25-1476 | Amazon eBay | ||
| Fuel filter | Fuel Filters | 25-1639 | Amazon eBay | ||
| Oil filter | Oil Filters | 25-1648 | Amazon eBay | ||
| Battery | — | ||||
| Belt | — | ||||
| Coolant | — | ||||
| Coolant filter | — | ||||
| Oil | — | ||||
| Spark plug | — |
Common questions
What size generator is the Magnum MMG100?
The Magnum MMG100 is rated 86 kW standby (107.0 kVA).
Which engine powers the Magnum MMG100?
The Magnum MMG100 is powered by the John Deere PE4045HF285 engine.
Is the Magnum MMG100 diesel or gas?
The Magnum MMG100 runs on diesel.
What's the oil capacity on a Magnum MMG100?
The John Deere PE4045HF285 engine in the Magnum MMG100 has an oil capacity of 13.7 liters.
What oil filter does the Magnum MMG100 use?
The Magnum MMG100 uses oil filter part number 25-1648.
What fuel filter does the Magnum MMG100 use?
The Magnum MMG100 uses fuel filter part number 25-1639.
What air filter does the Magnum MMG100 use?
The Magnum MMG100 uses air filter part number 25-1476.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| LOW FUEL LEVEL SHUTDOWN | Fuel level in the tank is low or fuel lines are running dry. | Check and refill the fuel level. Inspect for leaks and check the fuel level sender. |
| LOW OIL PRESSURE SHUTDOWN | Oil pressure is less than 20 psi (138 kPa). | Check oil level, inspect for leaks, and check the oil pressure sender. |
| LOW COOLANT LEVEL SHUTDOWN | Coolant level in the radiator is low. | Check coolant level, inspect hoses, engine block, water pump for leaks, and check oil for coolant contamination. |
| HIGH COOLANT TEMPERATURE SHUTDOWN | Coolant temperature is 230°F (110°C) or more. | Check coolant level, remove any blockages, inspect hoses and components for leaks, check water pump belt tension, and load the unit to prevent overheating. |
| OVERCRANK SHUTDOWN | Engine will not start. | Check fuel level, fuel pump operation, air filter for blockage. Refer to manual for additional troubleshooting. |
| OVERSPEED OR UNDERSPEED SHUTDOWN | Engine speed is above or below 60.0 Hz. | Disconnect loads and adjust engine speed as needed based on manual instructions. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
23| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 100-001 | Air Filter | 1 | Air filter | Amazon Amazon eBay |
| 25-1476 | Air Filter Minders | 1 | Air filter | Amazon eBay |
| 25-1483 | Primary Air Cleaners | 1 | Air filter | Amazon eBay |
| 25-1639 | Fuel Filters | 1 | Fuel filter | Amazon eBay |
| 25-1648 | Oil Filters | 1 | Oil filter | Amazon eBay |
| PP88S12 | Pump PP88S12 | 1 | Pump | Amazon eBay |
| 01615 | Enclosure Panels | Service part / kit | Amazon eBay | |
| 01616 | Unit Decals - Left Side - MMG120 | Service part / kit | Amazon eBay | |
| 12142 | Decal, ground | 1 | Service part / kit | Amazon $162.97 eBay |
| 18396 | Decal, Panel Light Switch, Single | 1 | Service part / kit | Amazon eBay KuduParts $53.00 |
| 21259 | Decal, Battery Charger (Optional) | 1 | Service part / kit | Amazon eBay |
| 22870 | Decal, Caution for 480V CSA | 1 | Service part / kit | Amazon eBay |
| 23597 | Decal, Panel Light Switch (Optional) | 1 | Service part / kit | Amazon eBay |
| 23827 | Decal, Controller Switches | 1 | Service part / kit | Amazon eBay |
| 23846 | Decal, Controller Instructions | 1 | Service part / kit | Amazon eBay |
| 24904 | Decal, 4 Pos. Outlet Usage in Delta (Optional for MMG100CAN Only) | 1 | Service part / kit | Amazon eBay |
| 28964 | Decal, Engine Block Heater (Optional) | 1 | Service part / kit | Amazon eBay |
| 30175 | Decal, UN31A Tank Caution (Optional) | 1 | Service part / kit | Amazon eBay FridayParts $85.00 |
| 30176 | Decal, Flex - Tier III | 1 | Service part / kit | Amazon eBay FridayParts $109.99 |
| 31024 | Decal, Fan Clutch (Optional) | 1 | Service part / kit | Amazon eBay |
| 33787 | Decal, Generator - Voltage Configuration (MMG100CAN6 Only) | 1 | Service part / kit | Amazon eBay |
| 34274 | Decal, Generator - 600V Circuit Breakers (MMG100CAN6 Only) | 1 | Service part / kit | Amazon eBay |
| 34275 | Decal, Caution - 120 & 240 Outlets: 600V (MMG100CAN6 Only) | 1 | Service part / kit | Amazon eBay |
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 | 6.3 | 24.0 | |
| Prime | 50% | 11.7 | 3.1 |
| Prime | 75% | 17.8 | 4.7 |
| Prime | 100% | 23.5 | 6.2 |
| Standby | 6.3 | 24.0 |