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 requiredElectrical
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), Power Zone |
| Oil capacity | 15.5 L |
| Voltage options | 120/240 V, 120/208 V, 277/480 V |
| Phase | single phase / three phase (selectable via selector switch) |
| Rated current | 96 A |
| Power factor | 0.8 |
| Circuit breaker | 400 A |
| Battery cranking | 720 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Max ambient | 48.89 °C |
| Dimensions (L×W×H) | 4010×1520×2130 mm |
| Dry weight | 1543 kg |
| Wet weight | 1978 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 | 12VDC SuperStart RC115 | ×1 | RC115 | eBay | |
| Belt | — | 500 hr | |||
| Coolant | — | ||||
| Coolant filter | — | ||||
| Oil | 12.0 | — | 250 hr | ||
| Spark plug | — |
Service specifications
18| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | Fuel level shutdown | 5 | % | shutdown |
| Other | Fuel level warning | 15 | % | warning |
| Other | Generator over frequency electrical trip | 110 | % | electrical trip |
| Other | Generator over frequency warning | 105 | % | warning |
| Other | Generator under frequency electrical trip | 90 | % | electrical trip |
| Other | Generator under frequency warning | 95 | % | warning |
| Pressure | Oil pressure shutdown | 20 | psi | shutdown |
| Pressure | Oil pressure warning | 25 | psi | warning |
| Speed | Overspeed protection shutdown | 115 | % | shutdown |
| Temperature | Coolant freeze protection | -25 | F | |
| Temperature | Coolant temperature shutdown | 230 | °F | shutdown |
| Temperature | Coolant temperature warning | 220 | °F | warning |
| Voltage | Battery voltage over | 15 | VDC | over |
| Voltage | Battery voltage under | 11 | VDC | under |
| Voltage | Generator over voltage electrical trip | 111 | % | electrical trip |
| Voltage | Generator over voltage warning | 110 | % | warning |
| Voltage | Generator under voltage electrical trip | 86 | % | electrical trip |
| Voltage | Generator under voltage warning | 87 | % | warning |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Recommended fluids
| Fluid | Grade | Standard | Ambient | Capacity | Notes |
|---|---|---|---|---|---|
| Coolant | 60/40 | 60/40 Coolant - cold weather applications (option) | |||
| Fuel | diesel | 147.0 gal | Steel, single wall fuel tank built into skid; 22 hr run time at full load |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Voltage reconnection
| Voltage | Phase | Connection | Leads | Notes |
|---|---|---|---|---|
| 120/208V | three phase | Low Wye | Standard selector switch mode | |
| 120/240V | single phase | Zig Zag | Standard selector switch mode | |
| 120/240V | three phase | Delta | Optional 4 position phase switch | |
| 277/480 | 3 | 3 position voltage selector switch | 12 lead reconnectable | Generator end is 12 lead reconnectable; NON-PMG (no permanent magnet generator) |
| 277/480V | three phase | High Wye | Standard selector switch mode |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
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 is the cooling system capacity of the Magnum MMG100?
The Magnum MMG100 cooling system holds 29.8 liters (7.9 US gallons) for the engine, per the manufacturer specification sheet.
What is the continuous rating of the Magnum MMG100?
The Magnum MMG100 is rated 78 kW prime (98 kVA), against 86 kW standby.
What is the sound level of the Magnum MMG100?
The Magnum MMG100 is rated at 68.0 dBA at 7.01 m, per the manufacturer specification sheet.
What is the dry weight of the Magnum MMG100?
The Magnum MMG100 has a dry weight of 1543 kg (3401 lb).
What size fuel tank does the Magnum MMG100 have?
The Magnum MMG100 has a 556.4 liter (147 US gallon) fuel tank, giving about 22 hours of runtime.
What voltages is the Magnum MMG100 available in?
The Magnum MMG100 is offered in 120/240 V, 120/208 V, 277/480 V, single phase / three phase (selectable via selector switch)-phase.
What size battery does the Magnum MMG100 need?
The Magnum MMG100 uses 1 battery, 12 V each, 720 CCA, per the manufacturer specification sheet.
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
57Fault codes
| Code | Meaning | Cause | Remedy |
|---|---|---|---|
| 3 | Battery Flat — If the controller switches off during starting sequence due to bad battery condition, it doesn't try to start again and activates this protection. | ||
| 4 | Binary Input — Configurable warning/shutdown alarms on the inputs of IL-NT. | ||
| 5 | ChrgAlternFail — Failure of the alternator to charge the battery. | ||
| 6 | EmergencyStop — If the input Emergency Stop is opened (pushed in), shutdown is immediately activated. | ||
| 7 | Engine Temp Sd — Water temperature is greater than Sd Water Temp setpoint. | ||
| 8 | Engine Temp Wrn — Water temperature is greater than Wrn Water Temp setpoint. | ||
| 9 | Fgen<, > — The generator frequency is out of limits given by Gen >f and Gen <f setpoints. | ||
| 10 | Fuel Level Sd — Fuel level is smaller than Sd Fuel Level setpoint. | ||
| 11 | Fuel Level Wrn — Fuel level is smaller than Wrn Fuel Level setpoint. | ||
| 12 | GCB fail — Failure of the generator circuit breaker. | ||
| 13 | Igen unbl — The generator current is unbalanced. | ||
| 14 | Low BackupBatt — RTC backup battery is flat. | ||
| 15 | Oil Press Sd — Oil pressure is smaller than Sd Oil Press setpoint. | ||
| 16 | Oil Press Wrn — Oil pressure is smaller than Wrn Oil Press setpoint. | ||
| 17 | Overload — The load is greater than the value given by Overload setpoint. | ||
| 18 | Overspeed — The protection comes active if the speed is greater than Overspeed setpoint. | ||
| 19 | ParamFail — Wrong checksum of parameters. Happens typically after downloading new firmware or changing of the parameter. The controller stays in INIT mode. | Wrong checksum of parameters; happens typically after downloading new firmware or changing of the parameter. | Check all parameters write at least one new parameter. |
| 20 | PickupFault — Failure of the magnetic pick-up sensor for speed measurement. | ||
| 21 | Sd IOM fail — IOM/IGS-PTM module. | ||
| 22 | SprinkIActive — The protection is active if the output Sprinkler is closed. | ||
| 23 | Start failed — Gen-set start failed. | ||
| 24 | Stop fail — Gen-set stop failed. | ||
| 25 | Ubat — Battery voltage is out of limits given by Batt Overvolt and Batt Undervolt setpoints. | ||
| 26 | Underspeed — During starting of the engine, when the RPM reaches the value of Starting RPM setpoint, the starter is switched off and the speed of the engine can drop under Start RPM again. Then the underspeed protection becomes active. Protection evaluation starts 5 seconds after start up. | ||
| 27 | Vgen<, > — The generator voltage is out of limits given by Gen <V and Gen <V setpoints. | ||
| SPN:100 | EngOil Press | ||
| SPN:102 | Boost Press | ||
| SPN:105 | Intake Temp | ||
| SPN:110 | EngCool Temp | ||
| SPN:175 | EngOil Temp | ||
| SPN:629 | Controller #1 | ||
| SPN:636 | PositionSensor | ||
| SPN:637 | TimingSensor | ||
| SPN:651 | InjectorCyl#1 | ||
| SPN:652 | InjectorCyl#2 | ||
| SPN:653 | InjectorCyl#3 | ||
| SPN:654 | InjectorCyl#4 | ||
| SPN:655 | InjectorCyl#5 | ||
| SPN:656 | InjectorCyl#6 | ||
| SPN:677 | EngStartRelay | ||
| SPN:1485 | ECU MainRelay | ||
| WrnMaintenance | WrnMaintenance — The period for servicing is set by the WrnMaintenance setpoint. The protection comes active if the running hours of the engine reach this value. | Reset the running hours to 250: with the unit shut down, power up the controller with the CONTROL ON/OFF toggle switch; press the PAGE SELECT button; press the down button to move the > cursor down to the Engine Protect line of text; press ENTER; press ENTER again; press the up button and reset the current run time hour setting to 250; press ENTER to save the current run time hour setting; move the CONTROL ON/I toggle switch to the CONTROL OFF/O position | |
| Wrn ECU Alarm | Wrn ECU Alarm — ECU alarm list is not empty. | ||
| Wrn RA15 fail | Wrn RA15 fail — Warning alarm in case of lost connection to IGL=RA15 module. |
Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Low Fuel Level Shutdown | Fuel level low; fuel tank leak or tank running dry; fuel level sender and connecting wiring damaged. | Check the fuel level on the LCD window and confirm the generator is sitting level; check for leaks in the fuel tank; check the fuel level sender and the connecting wiring for damage and check for continuity between the sender and the engine controller. |
| Low Oil Pressure Shutdown | Engine oil level low; oil leaks; loss of oil pressure; oil pressure sender fault. | Check the level of the engine oil with the dipstick and add oil if required; visually inspect the engine for oil leaks; restart the unit and verify the loss of oil pressure, shutting the engine down immediately if the oil pressure value does not read 5 psi (34 kPa) within five seconds; check the oil pressure sender and refer to the troubleshooting section of the engine operation and maintenance manual. |
| Low Coolant Level Shutdown | Coolant level low; visible leaks in coolant hoses, engine block or water pump; coolant mixed with engine oil. | Allow the engine to cool; check the coolant level in the radiator and add coolant until it is 3/4" below the filler neck, then secure the radiator cap; inspect coolant hoses, engine block and water pump for visible leaks; check engine oil to verify no coolant has mixed with it and consult the ENGINE OPERATION & MAINTENANCE MANUAL. |
| High Coolant Temperature Shutdown | Coolant level low; radiator shroud and ducting blockage; visible leaks in coolant hoses, engine block or water pump; loose serpentine drive belt for the water pump; engine overheating. | Check the coolant level in the overflow jug; restart the engine and read the coolant temperature, stopping the engine immediately if the coolant temperature is 230°F (110°C) or more; allow the engine to cool, add coolant to the overflow jug if low and check the radiator level, adding coolant until it is 3/4" below the filler neck; check the radiator shroud and ducting for blockage and remove any foreign matter; inspect coolant hoses, engine block and water pump for visible leaks; check the tension of the serpentine drive belt for the water pump; if no other problems are found, remove the load on the generator and restart the engine, checking the coolant temperature and shutting the engine down immediately if it starts to overheat, and consult the engine operation and maintenance manual. |
| Overcrank Shutdown | Fuel level low; fuel pump not operating properly; air filter blockage; engine will not start. | Check the fuel level in the tank; check for proper operation of the fuel pump; check air filter for blockage; if the engine will not start, consult the ENGINE OPERATION AND MAINTENANCE MANUAL for additional information on troubleshooting starting problems. |
| Overspeed or Underspeed Shutdown | Frequency above or below 60.0 Hz with no loads on the generator, requiring engine speed adjustment. | Disconnect all loads and restart the generator, read the frequency (Hz) on the LCD display (should read 60.0 Hz with no loads); if the frequency is above or below 60.0 Hz, adjust the engine speed — see the engine manual for throttle adjustments on mechanical governed units and the electronic governor manual for electronically controlled units. |
| Wet Stacking | Diesel engine run at less than 35% of its full load capacity, causing unburned fuel to accumulate in the exhaust system; can also cause fouling of injectors and buildup on engine valves. | Load the unit heavily for five hours or until the exhaust is clear; diesel engines operate properly when applied loads are between 35% and 100% capacity. |
| Low fuel level shutdown | Fuel level low; fuel tank leak; fuel level sender or connecting wiring damaged | Check the fuel level on the LCD window and confirm the generator is sitting level; check for leaks in the fuel tank; check the fuel level sender and the connecting wiring for damage and check for continuity between the sender and the engine controller |
| Low oil pressure shutdown | Engine oil level low; oil leaks; loss of oil pressure; oil sender fault | Check the level of the engine oil with the dipstick and add oil if required; visually inspect the engine for oil leaks; restart the unit and verify the loss of oil pressure, shutting the engine down immediately if the oil pressure value does not read 5 psi (34 kPa) within five seconds; check the oil sender and refer to the troubleshooting section of the engine operator's manual |
| Low coolant level shutdown | Coolant level low; coolant leaks; coolant mixed with engine oil | Allow the engine to cool; check the coolant level in the radiator and add coolant until it is 3/4 in. (1.9 cm) below the filler neck; inspect coolant hoses, engine block and water pump for visible leaks; check the engine oil to verify no coolant has mixed with it and consult the engine operator's manual |
| High coolant temperature shutdown | Coolant level low; radiator shroud and ducting blockage; coolant leaks; loose serpentine drive belt for the water pump; engine overheating | Check the coolant level in the overflow jug; restart the engine and read the coolant temperature to verify a high coolant temperature shutdown, stopping the engine immediately if the coolant temperature is 230°F (110°C) or more; allow the engine to cool, add coolant to the overflow jug if it is low and check the level of coolant in the radiator, adding coolant until it is 3/4 in. (1.9 cm) below the filler neck; check the radiator shroud and ducting for blockage and remove any foreign matter; inspect coolant hoses, engine block and water pump for visible leaks; check the tension of the serpentine drive belt for the water pump; if no other problems are found, remove the load on the generator and restart the engine, checking the coolant temperature and shutting the engine down immediately if it starts to overheat, and consult the engine operator's manual |
| Overcrank shutdown | Fuel level low; fuel pump not operating properly; air filter blocked; engine will not start | Check the fuel level in the tank; check for proper operation of the fuel pump; check the air filter for blockage; if the engine will not start, consult the engine operator's manual for additional information on troubleshooting starting problems |
| Overspeed or underspeed shutdown | Engine speed not adjusted (frequency above or below 60.0 Hz) | Disconnect all loads and restart the generator and read the frequency (Hz) on the LCD display (with no loads the frequency should read 60.0 Hz); if the frequency is above or below 60.0 Hz, adjust the engine speed per the engine operator's manual for throttle adjustments on mechanical governed units and the electronic governor manual for electronically controlled units |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
48| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 100-001 | Air Filter | 1 | Air filter | Amazon Amazon eBay 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 |
| 352793 | Oil Filter | 1 | Oil filter | Amazon |
| C04521 | Element, Oil Filter | Oil filter | Amazon eBay $24.99 NAPA $28.76 | |
| CO2775 | Element, Fuel Water Separator | Fuel filter | Amazon eBay | |
| CO2776 | Element, Fuel Filter Primary | Fuel filter | Amazon eBay | |
| G030071 | Air Cleaner Element (Engine) Secondary | Air filter | Amazon eBay | |
| G030073 | Air Cleaner Element (Engine) Primary | Air filter | Amazon eBay | |
| G030074 | Air Cleaner Element (Engine) Secondary | Air filter | Amazon eBay | |
| G122208 | Clarke Eng Fluid - 5 gal | Fluid | Amazon eBay | |
| G122209 | Clarke Eng Fluid -1 gal | Fluid | Amazon eBay | |
| G30070 | Air Cleaner Element (Engine) Primary | Air filter | Amazon eBay | |
| GM32809 | FILTER, OIL | 1 | Oil filter | Amazon Amazon Amazon Amazon eBay $26.25 NAPA $28.76 |
| GM50006 | Fuel Filter | 1 | Fuel filter | Amazon eBay $26.99 NAPA $44.17 |
| GM50074 | Fuel Filter (primary) | 1 | Fuel filter | Amazon eBay $70.33 NAPA $38.35 |
| GM66704-1 | Fan Belt (12V) | 1 | Belt | Amazon eBay |
| GM66704-2 | Fan Belt (24V) | 1 | Belt | Amazon eBay |
| GM77161 | Oil Filter | 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 eBay NAPA $74.66 |
| 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 NAPA $86.31 |
| 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 NAPA $44.60 |
| 30175 | Decal, UN31A tank caution | 1 | Service part / kit | Amazon eBay NAPA $12.21 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 - 120V & 240V Outlets | 1 | Service part / kit | Amazon eBay |
| G122189 | 250 hour Maintenance Kit (without fluids) | Service part / kit | Amazon eBay | |
| G122190 | 250 hour Maintenance Kit (without fluids) | Service part / kit | Amazon eBay | |
| G122194 | 250 hour Maintenance Kit (& engine fluids) | Service part / kit | Amazon eBay | |
| G122195 | 250 hour Maintenance Kit (& engine fluids) | Service part / kit | Amazon eBay | |
| G122199 | 500 hour Maintenance Kit (without fluids) | Service part / kit | Amazon eBay | |
| G122200 | 500 hour Maintenance Kit (without fluids) | Service part / kit | Amazon eBay | |
| G122204 | 500 hour Maintenance Kit (& Engine fluids) | Service part / kit | Amazon eBay | |
| G122205 | 500 hour Maintenance Kit (& Engine fluids) | Service part / kit | Amazon eBay | |
| RC115 | 12VDC SuperStart RC115 battery | 1 | Service part / kit | 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 |
Available documents
Spec sheet — MMG100 Mobile (Magnum)Spec sheet — Magnum-MMG100-spec-sheet (Magnum)Reference — Magnum-MMG100-John-Deere-engine-SN-PE4045L267844-load-test-and-checklist-inspect (Charles Equipment)
This page was generated from the 3 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.