Service parts for the MMG100C Super Start
Grouped by system, with how many of each the parts manual calls for.
Air intake
1 requiredFuel system
1 requiredOil system
1 requiredBelts
1 requiredCooling system
1 requiredPrices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.
Specifications
| Frequency | 60.0 Hz |
|---|---|
| Standby power | 94 kW |
| Standby kVA | 117 |
| Prime power | 82 kW |
| Controller | Magnum Digital (MDC) |
| Oil capacity | 15.5 L |
| Alternator | Marathon 362PSL1606 |
| Voltage options | 120 V, 139 V, 208 V, 220 V, 240 V, 277 V |
| Phase | 1Ø,3Ø |
| Power factor | [1, 0.8] |
| Circuit breaker | 400 A |
| Battery group | Group 24 |
| Battery cranking | 800 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 22.0 L |
| Dry weight | 1475 kg |
| Sound level | 68.0 dBA |
| Fuel tank | 147.0 L |
| Tank runtime | 22 hr |
Engine
| Oil capacity | 12.1 L |
|---|---|
| Displacement | 4.5 L |
| Aspiration | Turbocharged and air-to-air aftercooled |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Cummins/Onan QSB5-G3 NR3| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Air Filter | 100-001 | Amazon Amazon eBay | ||
| Fuel filter | Fuel Filter | 100-003 | Amazon eBay | ||
| Oil filter | Oil Filter | 100-002 | Amazon eBay | ||
| Battery | — | ||||
| Belt | Belt | 100-005 | Amazon Amazon eBay $8.98 eBay KuduParts $239.99 | ||
| Coolant | — | ||||
| Coolant filter | Coolant Filter | 100-004 | Amazon Amazon eBay | ||
| Oil | — | ||||
| Spark plug | — |
Common questions
How many kW is the Magnum MMG100C Super Start?
The Magnum MMG100C Super Start is rated 94 kW standby (117.0 kVA).
What engine does the Magnum MMG100C Super Start use?
The Magnum MMG100C Super Start is powered by the Cummins/Onan QSB5-G3 NR3 engine.
What is the oil capacity of the Magnum MMG100C Super Start?
The Cummins/Onan QSB5-G3 NR3 engine in the Magnum MMG100C Super Start has an oil capacity of 12.1 liters.
What alternator comes on the Magnum MMG100C Super Start?
The Magnum MMG100C Super Start uses a Marathon 362PSL1606 alternator.
Which oil filter part number does the Magnum MMG100C Super Start take?
The Magnum MMG100C Super Start uses oil filter part number 100-002.
What fuel filter fits the Magnum MMG100C Super Start?
The Magnum MMG100C Super Start uses fuel filter part number 100-003.
What air filter does the Magnum MMG100C Super Start use?
The Magnum MMG100C Super Start uses air filter part number 100-001.
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
12| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 100-001 | Air Filter | 1 | Air filter | Amazon Amazon eBay |
| 100-002 | Fuel Filter | 1 | Fuel filter | Amazon eBay |
| 100-003 | Air Filter | 1 | Air filter | Amazon eBay |
| 100-004 | Coolant Filter | 1 | Air filter | Amazon Amazon eBay |
| 100-005 | Belt | 1 | Belt | Amazon Amazon eBay $8.98 eBay KuduParts $239.99 |
| 100-006 | Spark Plug | 1 | Spark plug | Amazon eBay |
| 100-007 | Bolt (M10-1.5) | 1 | Bolt m10 1 5 | Amazon eBay KuduParts $153.00 |
| 100-008 | Bolt (M12-1.75) | 1 | Bolt m12 1 75 | Amazon eBay |
| 125550 | Oil Filter | Oil filter | Amazon eBay | |
| 125551 | Fuel Filter | Fuel filter | Amazon eBay | |
| 125561 | Air Filter - Primary | Air filter | Amazon eBay | |
| 362PSL1606 | Generator Model | Generator | 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 | |
| Standby | 6.3 | 24.0 |