Specifications
| Fuel | Natural Gas / LP Liquid |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 162 kW |
| Standby kVA | 202 |
| Controller | InteliGen NTTMdigital, Inteligen |
| Oil capacity | 31 L (32.8 US qt) |
| Alternator | Stamford/AvK HCI434C-311, HCI434D-311 |
| Voltage options | 480/277 V |
| Phase | 3 |
| Rated current | 269 A |
| Power factor | 0.8 |
| Circuit breaker | 400 A |
| Battery group | 8D |
| Battery cranking | min. 900 CCA CCA |
| Battery voltage | 12V (2), 24V series connection V |
| Battery quantity | 2 |
| Coolant capacity | 38.0 L |
| Max ambient | 125 °C |
| Dry weight | 11291 kg |
| Sound level | 78.0 dBA @ 23 m |
Engine
| Oil capacity | 31 L (32.8 US qt) |
|---|---|
| Coolant capacity | 38.0 L |
| Displacement | 14.62 L |
| Aspiration | Turbo CAC |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Power Solutions International D146TIC| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Coolant | 50/50 mix of coolant and water | — | |||
| Oil | SAE 15W-40 low ash, API CD/CF or higher | 31 L (32.8 US qt) | — | 250 hr | |
| Spark plug | Gap 0.015 in (0.4 mm) | — |
Service intervals
1| Item | Action | Hours | Months | Notes |
|---|---|---|---|---|
| Engine Oil and Filter (initial) | Change | 50 hr | First service — Initial oil and filter change after first 50 hours or first 3 months |
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
1| Type | Item | Value | Unit | Condition |
|---|---|---|---|---|
| Gap | Spark plug gap | 0.015 | in (0.4 mm) |
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 | 50/50 mix of coolant and water | MGG280N2 38 qt (43.2 L) incl. engine; MGG350N2 44 qt (50.0 L) incl. engine | |||
| Engine oil | SAE 15W-40 low ash | API CD/CF or higher | MGG280N2 10.1 qt (38.1 L) incl. filter; MGG350N2 11.1 qt (42.1 L) incl. filter |
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 Generac MGG280?
The Generac MGG280 is rated 162 kW standby (202.0 kVA).
What engine is in the Generac MGG280?
The Generac MGG280 is powered by the Power Solutions International D146TIC engine.
What kind of fuel does the Generac MGG280 run on?
The Generac MGG280 runs on Natural Gas / LP Liquid.
How much oil does the Generac MGG280 take?
The Generac MGG280 takes 31 L (32.8 US qt) of engine oil, per mgg280n2 mobile-gaseous-generator spec-sheet.
How much coolant does the Generac MGG280 hold?
The Generac MGG280 cooling system holds 38 liters (10.0 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
What is the sound level of the Generac MGG280?
The Generac MGG280 is rated at 78.0 dBA at 23 m, per the manufacturer specification sheet.
How much does the Generac MGG280 weigh?
The Generac MGG280 has a dry weight of 11291 kg (24892 lb).
What voltage does the Generac MGG280 produce?
The Generac MGG280 is offered in 480/277 V, 3-phase.
How many cold cranking amps does the Generac MGG280 require?
The Generac MGG280 uses 2 batteryies, 12V (2), 24V series connection V each, min. 900 CCA CCA, group 8D, per the manufacturer specification sheet.
Which alternator is fitted to the Generac MGG280?
The Generac MGG280 uses a Stamford/AvK HCI434C-311, HCI434D-311 alternator.
Troubleshooting
6Symptoms & remedies
| Symptom | Cause | Remedy |
|---|---|---|
| Engine Cranks But Will Not Start | No fuel | Check that fuel valves are open |
| Engine Cranks But Will Not Start | Low oil level | Low Oil Pressure Shutdown activated. Replenish oil to full |
| Engine Cranks But Will Not Start | Restricted air flow | Check/replace air filter |
| Engine Cranks But Will Not Start | No spark | Check/replace spark plug(s) |
| Engine Will Not Crank (Electric Start) | Dead battery | Remove batteries and trickle charge. Never jump start. Even if only one battery is bad, it is recommended that both batteries be replaced at the same time |
| Engine Will Not Crank (Electric Start) | Emergency stop is activated | Reset controller after an emergency stop |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing. Full Generac MGG280 troubleshooting guide (43 entries) →
Parts
48| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 12142 | Decal, ground | 1 | Service part / kit | Amazon eBay NAPA $74.66 |
| 34784 | DECAL, GASEOUS GENERATOR | 1 | Service part / kit | Amazon eBay |
| 36003 | WEATHERSTRIP, .83 X .76 | 1 | Service part / kit | Amazon eBay KuduParts $205.00 |
| 37600 | DECAL, MAINTENANCE | 1 | Service part / kit | Amazon eBay |
| 38450 | DECAL SET, SAFETY | 1 | Service part / kit | Amazon eBay |
| 38846 | WEATHERSTRIP, CABLE ENTRY - EPDM | 1 | Service part / kit | Amazon eBay |
| 50781 | PLUG, ROOF HOLE 6.00 DIA | 1 | Service part / kit | Amazon eBay |
| EH0440A04W6B | FRAME, ENCLOSURE DOOR | 1 | Service part / kit | Amazon eBay |
| EN1000A60W6B | PANEL, SOLID 21.0 X 72.0 | 1 | Service part / kit | Amazon eBay |
| EN2000A04W6B | PANEL, RISER W/CABLE ACCESS | 1 | Service part / kit | Amazon eBay |
| EN2001A136W6B | PANEL, UPPER PANEL | 1 | Service part / kit | Amazon eBay |
| EN3003A134W6B | DOOR, VENTED - INTERNAL DUCT, LEFT | 1 | Service part / kit | Amazon eBay |
| EN3003A135 | GUARD, PAD LATCH | 1 | Service part / kit | Amazon eBay |
| EN3003A24 | TRIM, WINDOW, L-SHAPED | 2 | Service part / kit | Amazon eBay |
| EN3003A28W6B | FRAME, CONTROL/POWER PANEL DOOR | 2 | Service part / kit | Amazon eBay |
| EN3003A53W6B | FRAME, LEFT AND RIGHT DOOR | 5 | Service part / kit | Amazon eBay |
| EN3021A01W6B | DOOR, OUTER SOLID 36.0 X 42 | 1 | Service part / kit | Amazon eBay |
| EN3021A03W6B | DOOR, OUTER | 1 | Service part / kit | Amazon eBay |
| EN3021A04W6B | DOOR, OUTER SOLID 30.0 X 48.0 | 1 | Service part / kit | Amazon eBay |
| EN3021A05W6B | DOOR, OUTER SOLID 36.0 X 48.0 - RIGHT | 1 | Service part / kit | Amazon eBay |
| EN3023A01 | DOOR, INNER SOLID 36.0 X 42.0 | 1 | Service part / kit | Amazon eBay |
| EN3023A04 | DOOR, INNER SOLID 30.0 X 48.0 | 1 | Service part / kit | Amazon eBay |
| EN3023A05 | DOOR, INNER SOLID 30.0 X 48.0 | 1 | Service part / kit | Amazon eBay |
| EN3023A06 | DOOR, INNER | 1 | Service part / kit | Amazon eBay |
| EN4004A16W6B | PANEL, ROOF END 52.50 X 72.00 | 1 | Service part / kit | Amazon eBay |
| EN4004A17W6B | PANEL. ROOF 49.50 X 72.00 | 1 | Service part / kit | Amazon eBay |
| EN4004A18W6B | PANEL, ROOF END DIS 59.50 X 72.00 | 1 | Service part / kit | Amazon eBay |
| EN4004A19W6B | PANEL, ROOF END W/ RAD ACCESS 36.50 X 72.00 | 1 | Service part / kit | Amazon eBay |
| EN7020A151W6B | PANEL, RADIATOR - RIGHT | 1 | Service part / kit | Amazon eBay |
| EN7020A152W6B | PANEL, RADIATOR - LEFT | 1 | Service part / kit | Amazon eBay |
| EN7020A153W6B | PANEL, RADIATOR TOP - W/EXHAUST | 1 | Service part / kit | Amazon eBay |
| EN8000A08 | MOUNTING STRIP, WEATHERSTRIP | 1 | Service part / kit | Amazon eBay |
| EN8003A32L2B | DUCT, DOOR INTAKE | 1 | Service part / kit | Amazon eBay |
| EN8003A37L2B | DUCT, UPPER PANEL INTAKE | 1 | Service part / kit | Amazon eBay |
| EN8035G04 | GUARD, FINGER - GLASTIC | 1 | Service part / kit | Amazon eBay |
| EN8507G26 | PANEL, DIS - LOWER | 2 | Service part / kit | Amazon eBay |
| EN8550A49 | PANEL, PERF 18.0 X 72.0 | 1 | Service part / kit | Amazon eBay |
| HB2402A29 | HANDLE, RECESS - LOCK, KEYED | 1 | Service part / kit | Amazon eBay |
| HB6058A15L2B | STRIKER, DOOR LATCH | 8 | Service part / kit | Amazon eBay |
| HB6058A16 | GUARD, PAD LATCH | 1 | Service part / kit | Amazon eBay |
| HW2409A20 | HINGE, DOOR, SS | 2 | Service part / kit | Amazon eBay |
| HW2409A29 | HINGE, DOOR - WELDNUT, SS | 2 | Service part / kit | Amazon eBay |
| HW7101A12 | RIVET, .188 X .250 TO .500 GRIP | 4 | Service part / kit | Amazon eBay |
| MK1010A13 | WEATHERSTRIP, .830 X .760 | 1 | Service part / kit | Amazon eBay |
| MK1011A107 | FOAM, POLYDAMP | 1 | Service part / kit | Amazon eBay |
| MK1020A00 | INSULATION, ACOUSTIC | 1 | Service part / kit | Amazon eBay |
| MK1021A00 | BARRIER, BARIUM - SULFATE, 1 LB | 1 | Service part / kit | Amazon eBay |
| RM1093A03 | BUMPER, DOOR - RUBBER | 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 |
|---|---|---|---|
| Standby | 100% | 94.64 | 25.0 |
Installation data
Figures an installer sizes exhaust piping and room ventilation from, as printed on the Generac MGG280 data sheet (standby rating where the sheet gives several).
| Exhaust gas temperature | 1,350 °F (732 °C) |
| Maximum exhaust back pressure | 3 in Hg (10.2 kPa) |
Source — mgg280n2 mobile-gaseous-generator spec-sheet.
Available documents
This page was generated from the 8 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.