Specifications
| Fuel | Diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 290 kW |
| Standby kVA | 363 |
| Prime power | 263 kW |
| Emissions | Interim Tier IV |
| Controller | Magnum Digital (MDC), Power Zone |
| Alternator | Marathon 432PSL6210 |
| Voltage options | 208 V, 480 V |
| Phase | 3 |
| Power factor | 0.8 (3Ø) |
| Circuit breaker | 1200 A |
| Battery group | Group 31 |
| Battery cranking | 1000 CCA |
| Battery voltage | 12V V |
| Battery quantity | 2 |
| Coolant capacity | 70.9 L |
| Max ambient | 48.9 °C |
| Dimensions (L×W×H) | 4343×1524×2286 mm |
| Dry weight | 4285 kg |
| Wet weight | 5854 kg |
| Sound level | 68.0 dBA @ 7 m |
| Fuel tank | 1738.0 L |
| Tank runtime | 23 hr |
Maintenance & consumables
for the John Deere PE609HFG95| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | — | 500 hr | |||
| Fuel filter | — | ||||
| Oil filter | — | ||||
| Battery | — | ||||
| Belt | — | 500 hr | |||
| Coolant | 75.0 | — | |||
| Coolant filter | — | ||||
| Oil | — | 500 hr | |||
| Spark plug | — |
Service intervals
7| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Engine maintenance/service reminder (MDC "WrnMaintenance") | Other | 250 hr | Magnum Digital Controller default service reminder interval; reset to 250 hours after servicing | |
| Engine oil and oil filter | Change | 500 hr | First service — Subsequent changes every 500 hours when using John Deere Plus-50 II oil or equivalent; every 250 hours otherwise | |
| Fan/serpentine belt | Inspect | 500 hr | 12 mo | Remove and check for wear; inspect pulleys and bearings while removed |
| Primary air cleaner element | Replace | 500 hr | Or when dust valve restriction indicator gauge shows a vacuum of 25 in. H2O, whichever comes first | |
| Exhaust filter (DPF) ash removal | Other | 3000 hr | Expected service interval at least 3000 or 4500 hours based on engine power and operating conditions; actual service when indicator light appears | |
| Trailer wheel bearing lubrication | Lubricate | 12 mo | Minimum recommended lubrication is every 12 months or 12,000 miles (19,312 km) | |
| Trailer wheel lug nuts | Adjust | First service — Re-torque lug nuts in sequence after the first road use |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Service specifications
11| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Other | Air Filter Restriction Indicator (filter minder gauge) | 20 | in. H2O | replace air filter when yellow center bar reaches red section |
| Other | Low Fuel Level Shutdown | 5 | % of tank remaining | |
| Pressure | Low Oil Pressure Shutdown | 20 | psi (138 kPa) | engine controller shuts down engine below this pressure |
| Pressure | Oil Pressure Restart Check | 5 | psi (34 kPa) | shut engine down immediately if pressure does not reach this value within 5 seconds of restart |
| Speed | No-Load Frequency | 60.0 | Hz | no loads on the generator |
| Temperature | High Coolant Temperature Shutdown | 230 | °F (110°C) or more | |
| Torque | Generator drive plate bolts | 33 | ft-lb (45 Nm) | |
| Torque | Trailer wheel lug nuts, first pass | 20-25 | ft-lbs (27-33 Nm) | first pass |
| Torque | Trailer wheel lug nuts, second pass | 50-60 | ft-lbs (67-81 Nm) | second pass |
| Torque | Trailer wheel lug nuts, third pass | 90-120 | ft-lbs (122-162 Nm) | third pass |
| Voltage | Voltage Regulation | +/- 1% |
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 |
|---|---|---|---|---|---|
| Fuel | ultra low sulfur diesel | 459.0 gal (1738 L) | Usable fuel volume 423 gal (1601 L) |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Fault codes
7| Code | Name | Meaning | Severity | Action |
|---|---|---|---|---|
| Coolant temperature shutdown | Coolant temperature shutdown - 230°F | Shutdown | ||
| Coolant temperature warning | Coolant temperature warning - 220°F | Warning | ||
| Fuel level shutdown | Fuel level shutdown - 5% | Shutdown | ||
| Fuel level warning | Fuel level warning - 15% | Warning | ||
| Oil pressure shutdown | Oil pressure shutdown - 20 psi | Shutdown | ||
| Oil pressure warning | Oil pressure warning - 25 psi | Warning | ||
| Overspeed | Overspeed protection - 115% | Shutdown |
Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.
Procedures
3Checking Generator Drive Plate Torque maintenance
- Disconnect the engine starting battery
- Remove the generator fan guard
- Torque each of the drive plate bolts to the specification (MMG330: 33 ft-lb / 45 Nm)
- Reinstall the generator fan guard and reconnect the battery
Resetting of the Time to Service Reminder maintenance
- With the unit shut down, power up the controller with the Control On/Off toggle switch
- Press Page Select until Engine Protect line is reached and press Enter
- "WrnMaintanance" appears with the current service time hour setting below it
- Press Enter; current run time in hours appears on the display
- Reset the current run time hour setting to 250
- Press Enter to save the run time hour setting
- Move the Control On/I toggle switch to Control Off/O
Towing the Trailer / Wheel Lug Torque Sequence maintenance
- Start all lug nuts by hand
- First pass: tighten to 20-25 ft-lbs (27-33 Nm)
- Second pass: tighten to 50-60 ft-lbs (67-81 Nm)
- Third pass: tighten to 90-120 ft-lbs (122-162 Nm)
- After the first road use, re-torque the lug nuts in sequence
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 MMG330?
The Magnum MMG330 is rated 290 kW standby (363.0 kVA).
What engine does the Magnum MMG330 use?
The Magnum MMG330 is powered by the John Deere PE609HFG95 engine.
What fuel does the Magnum MMG330 use?
The Magnum MMG330 runs on Diesel.
What alternator comes on the Magnum MMG330?
The Magnum MMG330 uses a Marathon 432PSL6210 alternator.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| LOW FUEL LEVEL SHUT DOWN | Fuel level is low or fuel tank has leaks. | Check the fuel level on the LCD window. Ensure no leaks in the fuel tank. Check the fuel level sender and connecting wiring for damage. |
| LOW OIL PRESSURE SHUTDOWN | Oil pressure is less than 20 psi (138kPa). | Check the engine oil level with a dipstick. Add oil if required. Visually inspect for oil leaks. If oil level is good, restart and verify loss of oil pressure. Check the oil pressure sender. |
| LOW COOLANT LEVEL SHUT DOWN | Allow engine to cool. Check coolant level in the radiator. Access the radiator cap by removing the access panel. | |
| High Coolant Temperature shut down | 1. Check the coolant level in the overflow jug. 2. Restart the engine and read the coolant temperature to verify High Coolant Temperature shut down. Stop the engine immediately if the coolant temperature is 230°F (110°C) or more. 3. Allow the engine to cool. Add coolant to the overflow jug if it is low and then check the level of coolant in the radiator. To access the radiator cap, you must remove the access panel from the top of the enclosure directly above the radiator. Add coolant until it is 3/4 in (2 cm) below the filler neck. Secure the radiator cap back into its original position. 4. Check the radiator shroud and ducting for blockage and remove any foreign matter. 5. Inspect coolant hoses, engine block and water pump for visible leaks. 6. Check the tension of the serpentine drive belt for the water pump. 7. If no other problems are found, remove the load on the generator and restart the engine. Check the coolant temperature and shut the engine down immediately if it starts to overheat. | |
| Overcrank shut down | 1. Check the fuel level in the tank. 2. Check for proper operation of the fuel pump. 3. Check air filter for blockage. 4. If the engine will not start, consult the engine operation and maintenance manual for additional information on troubleshooting starting problems. | |
| Overspeed or underspeed shut down | 1. Disconnect all loads and restart the generator. Read the frequency (Hz) on the LCD display. With no loads on the generator, the frequency should read 60.0 Hz. 2. If the frequency is above or below 60.0 Hz, the engine speed will have to be adjusted. See the engine manual for throttle adjustments on mechanical governed units and see 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
22| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 01780 | 50A circuit breakers (3) | 3 | Circuit breaker | Amazon eBay |
| 01879 | STOP | Stop engine | Amazon eBay | |
| 23668W | Panel, rear control box - upper | 1 | Panel | eBay |
| 24043ZC | Striker, short pin | 1 | Striker | eBay |
| 24196 | Washer, striker pin - int. thrd. | 1 | Washer | Amazon eBay FridayParts $20.99 |
| 12142 | Decal, ground | 1 | Service part / kit | Amazon $162.97 eBay |
| 21259 | Decal, Battery Charger (Optional) | 1 | Service part / kit | Amazon eBay |
| 28964 | Decal, Engine Block Heater (Optional) | 1 | Service part / kit | Amazon eBay |
| 31023 | Decal, fuel heater if equipped | 1 | Service part / kit | buy |
| 31024 | Decal, Fan Clutch (Optional) | 1 | Service part / kit | Amazon eBay |
| 33636 | Decal, safety | 1 | Service part / kit | buy |
| 33638 | Decal, light switch - control panel if equipped | 1 | Service part / kit | buy |
| 33639 | Decal, light switch - interior if equipped | 1 | Service part / kit | buy |
| 33699 | Decal, terminal connections - link | 1 | Service part / kit | buy |
| 33790 | Decal, switch cover | 1 | Service part / kit | KuduParts $36.00 |
| 34063 | Decal, Power Zone | 1 | Service part / kit | buy |
| 34064 | Decal, regeneration switch | 1 | Service part / kit | buy |
| 60095 | Nut, .312-18 serrated flange | 26 | Service part / kit | Amazon eBay |
| 60340 | Washer, .312 flat .875/.040, SS | 12 | Service part / kit | Amazon $20.99 eBay FridayParts $24.95 |
| 60452 | Washer, .313 flat 1.125/1.0 bonded rubber, SS | 1 | Service part / kit | Amazon eBay |
| 60505 | Nut, .312-18 U-clip - long type | 4 | Service part / kit | Amazon $15.99 eBay |
| 60507 | Screw, .312-18x1.0 std hex, SS | 2 | 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 | 50% | 36.3 | 9.6 |
| Prime | 75% | 53.4 | 14.1 |
| Prime | 100% | 70.8 | 18.7 |
Available documents
Spec sheet (Magnum)Owner's manual (Magnum)