Specifications
| Fuel | diesel |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 153 kW |
| Standby kVA | 191 |
| Prime power | 138 kW |
| Emissions | 4i |
| Controller | Power Zone |
| Oil capacity | 31.2 L |
| Alternator | Marathon 431PSL6306 |
| Voltage options | 120 V, 139 V, 208 V, 220 V, 240 V, 277 V, 480 V |
| Phase | 1Ø, 3Ø |
| Rated current | 521 (240V 1Ø) A |
| Power factor | 1 (1Ø), 0.8 (3Ø) |
| Circuit breaker | 700 A |
| Battery group | 31 |
| Battery cranking | 1000 CCA |
| Battery voltage | 12 V |
| Battery quantity | 1 |
| Coolant capacity | 29.8 L |
| Max ambient | 49 °C |
| Dimensions (L×W×H) | 3660×1270×1960 mm |
| Dry weight | 2996 kg |
| Wet weight | 4097 kg |
| Sound level | 68.0 dBA @ 7.01 m |
| Fuel tank | 1295.0 L |
| Tank runtime | 29 hr |
Engine
| Oil capacity | 31.2 L |
|---|---|
| Coolant capacity | 29.8 L |
| Displacement | 6.8 L |
| Aspiration | turbocharged |
| Rated speed | 1800 rpm |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | Replace when dust valve shows 25 in. H2O vacuum | — | |||
| Fuel filter | — | 500 hr | |||
| Oil filter | — | 500 hr | |||
| Battery | — | 500 hr | |||
| Oil | 31.2 qt | — | 500 hr |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Service intervals
4| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Engine mounts | Check | 500 hr | 12 mo | |
| Engine oil and oil filter | Change | 500 hr | 12 mo | After first 100 hours, then every 500 hours; every 250 hours if not using John Deere Plus 50 II |
| Fuel filter elements | Replace | 500 hr | 12 mo | |
| Generator drive plate torque | Check | 3000 hr | 36 mo |
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
6| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Pressure | Oil pressure | 20 | psi | shutdown |
| Pressure | Oil pressure | 25 | psi | warning |
| Temperature | Coolant temperature | 104 | °C | warning |
| Temperature | Coolant temperature | 110 | °C | shutdown |
| Voltage | Battery voltage | 11 | VDC | under voltage |
| Voltage | Battery voltage | 15 | VDC | over voltage |
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 |
|---|---|---|---|---|---|
| Engine oil | John Deere Plus 50 II recommended | 31.2 qt | Change interval: 500 hours on John Deere Plus 50 II; 250 hours on other oils | ||
| Fuel | Clean diesel fuel | 1295.0 L | Use only clean diesel fuel |
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 MMG175?
The Magnum MMG175 is rated 153 kW standby (191.0 kVA).
Which engine powers the Magnum MMG175?
The Magnum MMG175 is powered by the John Deere PE6068HFG94 engine.
What kind of fuel does the Magnum MMG175 run on?
The Magnum MMG175 runs on diesel.
What's the oil capacity on a Magnum MMG175?
The John Deere PE6068HFG94 engine in the Magnum MMG175 has an oil capacity of 31.2 liters.
What alternator comes on the Magnum MMG175?
The Magnum MMG175 uses a Marathon 431PSL6306 alternator.
Troubleshooting
6Fault codes
| Code | Meaning | Remedy |
|---|---|---|
| 00383 | Exhaust Filter Cleaning enabled. | |
| 1 | To Service | Oil Maintenance |
Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| LOW FUEL LEVEL SHUTDOWN | Fuel level on the LCD window is low, fuel tank has leaks, fuel level sender or wiring damaged. | Check and refill fuel. Inspect for leaks. Check fuel level sender and wiring. |
| LOW OIL PRESSURE SHUTDOWN | Oil pressure is less than 20 psi, engine has oil leaks. | Check oil level with dipstick. Visually inspect for leaks. Restart and verify oil pressure. Check oil pressure sender. |
| LOW COOLANT LEVEL SHUTDOWN | Coolant level in the radiator is low, coolant hoses, engine block or water pump have visible leaks. | Check and add coolant. Inspect for leaks. Check engine oil for mixed coolant. |
| HIGH COOLANT TEMPERATURE SHUTDOWN | Coolant temperature is 230°F or more. | Check coolant level in overflow jug. Add coolant if low. Stop engine immediately. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Magnum MMG175 troubleshooting guide (10 entries) →
Parts
50| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 60205 | Screw, .375-16X1” std hex | 1 | Air filter | Amazon eBay FridayParts $63.98 |
| P-175-002 | Oil Filter | 1 | Oil filter | Amazon eBay |
| 12547 | Assembly, cam lock, qrtr turn | 1 | Service part / kit | Amazon eBay |
| 12632 | Lug Door Safety Swtiches(2) | 2 | Service part / kit | Amazon eBay |
| 14203 | Block, terminal - 10 pos. | 1 | Service part / kit | Amazon eBay |
| 14204 | Kit, ground bar | 1 | Service part / kit | Amazon eBay |
| 18556 | Regulator, voltage - SE 350 | 1 | Service part / kit | Amazon eBay FridayParts $158.99 |
| 18893 | Handle, lug door | 1 | Service part / kit | Amazon eBay |
| 18934 | Guard, potentiometer | 1 | Service part / kit | Amazon eBay |
| 22018 | Hinge, continuous - 10.25 | 1 | Service part / kit | Amazon eBay |
| 22208 | Hinge, left control panel | 1 | Service part / kit | Amazon eBay |
| 23025 | Light, interior control panel | 1 | Service part / kit | Amazon eBay |
| 24540 | Holder, manual | 1 | Service part / kit | Amazon eBay |
| 25077 | Switch, toggle - 20A VAC | 2 | Service part / kit | Amazon eBay |
| 26229 | Kit, voltage adjustment pot. | 1 | Service part / kit | Amazon eBay |
| 27828 | Panel, lug box glastic | 1 | Service part / kit | Amazon eBay |
| 28561W | Box, lug enclosure | 1 | Service part / kit | Amazon eBay |
| 28564W | Panel, control left | 1 | Service part / kit | Amazon eBay |
| 28567 | Bus, main breaker out | 3 | Service part / kit | Amazon eBay |
| 28569W | Panel, lug box outlet | 1 | Service part / kit | Amazon eBay |
| 28570W | Door, lug box | 1 | Service part / kit | Amazon eBay |
| 28583W | Angle, top lug box | 1 | Service part / kit | Amazon eBay |
| 28584 | Bus, lug extension | 2 | Service part / kit | Amazon eBay |
| 28653B | Weldment, control box | 1 | Service part / kit | Amazon eBay |
| 29893 | Bracket, control board wire guide | 2 | Service part / kit | Amazon eBay |
| 30246W | Panel, digital control | 1 | Service part / kit | Amazon eBay |
| 60020 | Nut, M8-1.25 sflg lock | 5 | Service part / kit | Amazon eBay |
| 60062 | Screw, 10-32 x .750 pan phil, G2 | 4 | Service part / kit | Amazon eBay KuduParts $793.00 |
| 60068 | Screw, 10-24X.500 pan phil | 2 | Service part / kit | Amazon eBay |
| 60145 | Nut, .375-16 ser flg lock | 12 | Service part / kit | Amazon eBay |
| 60161 | Nut, .250-20 hx ser flg | 13 | Service part / kit | Amazon eBay KuduParts $132.00 |
| 60168 | Screw, .312-18X.750 hx hd | 2 | Service part / kit | Amazon eBay |
| 60175 | Screw, .250-20X.500 sflg hex | 7 | Service part / kit | Amazon eBay |
| 60252 | Washer, split lock #10 | 2 | Service part / kit | Amazon eBay |
| 60268 | Rivet, .188 diameter x .126 to .250 grip | 4 | Service part / kit | Amazon eBay |
| 60270 | Nut, 8-32 nylock | 2 | Service part / kit | Amazon eBay |
| 60398 | Screw, 10-32 x .500 pan phil, SS | 1 | Service part / kit | Amazon eBay FridayParts $119.95 |
| 60452 | Washer, .313 flat 1.125/1.0 bonded rubber, SS | 1 | Service part / kit | Amazon eBay |
| 60473 | Rivet, 3/16 | 4 | Service part / kit | Amazon eBay |
| 60478 | Screw, .375-16X2.000 hx hd | 10 | Service part / kit | Amazon eBay $88.99 |
| 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 |
| 60525 | Screw, 8-32X1.500 pan phil | 2 | Service part / kit | Amazon eBay |
| 60749 | Plug, hole .500 dia. white | 2 | Service part / kit | Amazon eBay |
| 61045 | Nut, 10-32 sflg | 5 | Service part / kit | Amazon eBay |
| 65309 | Connector, 21 pin, deutsch | 1 | Service part / kit | Amazon eBay |
| 65444 | Transformer, current | 3 | Service part / kit | Amazon eBay |
| 65890 | Lug, terminal dual #6-350mcm | 5 | Service part / kit | Amazon eBay |
| 66191 | Controller, eng/gen - prog. | 1 | Service part / kit | Amazon eBay |
| 66455 | Relay, 12V/70A NC/80A NO w/diode | 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 | 50% | 20.8 | 5.5 |
| Prime | 75% | 31.0 | 8.2 |
| Prime | 100% | 41.3 | 10.9 |
| Standby | 100% | 28.0 | 7.4 |
Available documents
Spec sheet (Magnum)Spec sheet — MMG175 Mobile (Magnum)Operator's manual — 48962 (Magnum)