Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 75 kW |
| Standby kVA | 107 |
| Prime power | 71 kW |
| Emissions | Interim Tier 4 |
| Controller | Power Zone |
| Oil capacity | 15.5 L |
| Alternator | Marathon 363CSL1608 (1650) |
| Voltage options | 120 V, 240 V, 208 V, 277 V, 480 V |
| Phase | L-N |
| Rated current | 305 A |
| Power factor | [1, 0.8] |
| Circuit breaker | [400, 450, 600] A |
| Battery group | 24 |
| Battery cranking | 720 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Max ambient | 49 °C |
| Dimensions (L×W×H) | 3020×1020×1570 mm |
| Dry weight | 1714 kg |
| Sound level | 68.0 dBA @ 7 m |
| Fuel tank | 625.0 L |
| Tank runtime | 24 hr |
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 | — | 3000 hr | find | ||
| Fuel filter | — | 1000 hr | find | ||
| Oil filter | — | 500 hr | find | ||
| Belt | — | 18000 hr | find | ||
| Coolant | 20.8 | — | 18000 hr | ||
| Coolant filter | — | find | |||
| Oil | 15.5 | — | 1000 hr |
Common questions
What is the power rating of the Generac MMG100?
The Generac MMG100 is rated 75 kW standby (107.0 kVA).
What engine does the Generac MMG100 use?
The Generac MMG100 is powered by the John Deere PE4045HFG92 engine.
What fuel does the Generac MMG100 use?
The Generac MMG100 runs on Diesel.
What is the oil capacity of the Generac MMG100?
The John Deere PE4045HFG92 engine in the Generac MMG100 has an oil capacity of 14.7 liters.
What alternator does the Generac MMG100 use?
The Generac MMG100 uses a Marathon 363CSL1608 (1650) alternator.
Troubleshooting
3Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Low Fuel Level | Shutdown, Low fuel level, Unit not level, Fuel tank leaking, Damaged fuel sender or wiring | Check fuel level in LCD window of controller. Confirm that unit is sitting level to ensure an accurate reading. Check tank for leaks. Check for continuity between sender and engine controller. |
| Low Oil Pressure | Shutdown, Low oil level, Oil leaking from engine, Oil pressure sender | Check oil level on dipstick. Add oil, if needed. Visually inspect the engine for leaks. Restart unit and verify loss of pressure. Shut down immediately if pressure does not reach 5 psi (34 kPa) within five seconds. See engine operator’s manual to identify corrective action. |
| Low Coolant Level | Shutdown, Low coolant level, Coolant hoses leaking, Engine block or water pump leaking | Allow engine to cool, then check coolant level in radiator. Add coolant, if needed. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Parts
47| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 00087 | Twist-Lock Receptacles | 1 | Receptacle | PartsGeek |
| 002815 | Emergency Stop Switch | 1 | Emergency stop switch | PartsGeek |
| 002816 | Lug Sequence | 1 | Ecu override switch | 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 | Oil filter | PartsGeek FridayParts $20.19 |
| 100-060 | Coolant Filter | 1 | Coolant filter | PartsGeek |
| 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 |
| 000100a | Consult Manual. Read and understand manual completely before using product. Failure to completely understand manual and product could result in death or serious injury. | 1 | Service part / kit | PartsGeek |
| 000155 | AVERTISSEMENT Seul un électricien formé et agréé devrait s’occuper du câblage et des connexions à l’appareil. Le non-respect des exigences d’installation pourrait entraîner la mort ou des blessures graves et des dommages à l’équipement ou aux biens. | Service part / kit | PartsGeek | |
| 000156 | WARNING: Do not disable or modify the connection box door safety switch. Doing so will result in death or serious injury. | Service part / kit | PartsGeek | |
| 000157 | WARNING: Do not make any connections directly to the lugs without routing the cables through the opening. Use a hex-wrench to tighten the cable connections. | Service part / kit | PartsGeek | |
| 000190 | DANGER | Service part / kit | PartsGeek | |
| 000226 | WARNING: Do not make any connections directly to the lugs without routing the cables through the opening. Use a hex-wrench to tighten the cable connections. | Service part / kit | PartsGeek | |
| 002803 | Voltage Adjust Screen | Service part / kit | PartsGeek | |
| 002804 | Prestart Screen | Service part / kit | PartsGeek | |
| 002805 | Status Generator at Rest Stop Mode 22:31 | Service part / kit | PartsGeek | |
| 01525 | Fuel return | 1 | Service part / kit | PartsGeek |
| 01526 | Fuel pickup | 1 | Service part / kit | PartsGeek |
| 01528 | Roof assembly | 1 | Service part / kit | PartsGeek |
| 12142 | DECAL, GROUND | 1 | Service part / kit | PartsGeek |
| 18394 | Fitting, plug, .500NPT | 1 | Service part / kit | PartsGeek |
| 18396 | Decal, Panel Light Switch, Single | 1 | Service part / kit | PartsGeek |
| 20241B | Weldment, RH door post - mid | 1 | Service part / kit | PartsGeek |
| 20242B | Weldment, LH door post - mid | 1 | Service part / kit | PartsGeek |
| 20785B | Brace, side - mid (A) | 2 | Service part / kit | PartsGeek |
| 22369B | Weldment, skid | 1 | Service part / kit | PartsGeek |
| 23131B | Weldment, skid adapter | 1 | Service part / kit | PartsGeek |
| 23597 | Decal, Panel Light Switch (Optional) | 1 | Service part / kit | PartsGeek |
| 23827 | Decal, Controller Switches | 1 | Service part / kit | PartsGeek |
| 23846 | Decal, Controller Instructions | 1 | Service part / kit | PartsGeek |
| 24904 | Decal, 4 pos. Outlet Usage in Delta | 1 | Service part / kit | PartsGeek |
| 26844B | Weldment, lift channel - mid | 1 | Service part / kit | PartsGeek |
| 30175 | Decal, UN31A tank caution Located on tank. | 1 | Service part / kit | PartsGeek FridayParts $85.00 |
| 33787 | Decal, Generator - Voltage Configuration (MMG100CAN6 Only) | 1 | Service part / kit | PartsGeek |
| 34274 | Decal, Generator - 600V Circuit Breakers (MMG100CAN6 Only) | 1 | Service part / kit | PartsGeek |
| 60145 | Nut, .375-16 sflg lock | 12 | Service part / kit | PartsGeek |
| 60202 | Screw, M12-1.75 x 35 sflg hx G10.9 | 16 | Service part / kit | PartsGeek |
| 60323 | Screw, .375-16 x 1.50 std hex, G8 | 4 | Service part / kit | PartsGeek |
| 60451 | Screw, .375-16 x .625 flg hex | 6 | 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 | |||
| Prime | 100% | 23.5 | |
| Standby | |||
| Standby | 25% | 3.8 | 0.97 |
Available documents
Spec sheet — Turnkey-Industries-Magnum-MMG100D-Spec-Sheet (Generac)Operator's manual — Generac Towable Diesel Generator - MMG75D-MMG100D Owners Manual (Generac)Owner's manual — 33701 (Generac)Owner's manual — MMG75D-100D-Ops-03-15-13-32668-B (Generac)Parts manual — Generac Mobile Diesel Generator Brochure (Generac)Service manual — 26513 (Generac)Service manual — 26635 (Generac)