Specifications
| Fuel | Natural Gas / LP Liquid |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 259 kW |
| Standby kVA | 323 |
| Controller | ComAp digital controller |
| Oil capacity | 11.1 L |
| Alternator | Stamford/AvK HCI434C-311, HCI434D-311 |
| Voltage options | 480/277 V |
| Phase | 3 |
| Rated current | 338 A |
| Power factor | 0.8 |
| Circuit breaker | 600 A |
| Battery group | 8D |
| Battery cranking | min. 900 CCA CCA |
| Battery voltage | 12V (2), 24V series connection V |
| Battery quantity | 2 |
| Coolant capacity | 44.0 L |
| Dry weight | 12195 kg |
Engine
| Oil capacity | 11.1 L |
|---|---|
| Coolant capacity | 44.0 L |
| Displacement | 18.27 L |
| Aspiration | Turbo CAC |
| Rated speed | 1800 rpm |
Maintenance & consumables
for the Power Solutions International D183TIC| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Coolant | 50/50 mix of coolant and water | — | |||
| Oil | SAE 15W-40 low ash, API CD/CF or higher | — | 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 is the power rating of the Generac MGG350N2?
The Generac MGG350N2 is rated 259 kW standby (323.0 kVA).
What engine is in the Generac MGG350N2?
The Generac MGG350N2 is powered by the Power Solutions International D183TIC engine.
What kind of fuel does the Generac MGG350N2 run on?
The Generac MGG350N2 runs on Natural Gas / LP Liquid.
What's the oil capacity on a Generac MGG350N2?
The Power Solutions International D183TIC engine in the Generac MGG350N2 has an oil capacity of 11.1 liters.
What is the cooling system capacity of the Generac MGG350N2?
The Generac MGG350N2 cooling system holds 44 liters (11.6 US gallons) for the radiator system including the engine, per the manufacturer specification sheet.
How much does the Generac MGG350N2 weigh?
The Generac MGG350N2 has a dry weight of 12195 kg (26885 lb).
What voltage does the Generac MGG350N2 produce?
The Generac MGG350N2 is offered in 480/277 V, 3-phase.
What size battery does the Generac MGG350N2 need?
The Generac MGG350N2 uses 2 batteryies, 12V (2), 24V series connection V each, min. 900 CCA CCA, group 8D, per the manufacturer specification sheet.
What alternator comes on the Generac MGG350N2?
The Generac MGG350N2 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 MGG350N2 troubleshooting guide (43 entries) →
Fuel consumption
| Rating | Load | L/h | gal/h |
|---|---|---|---|
| Prime | 50% | 196.08 | 51.8 |
| Prime | 75% | 279.36 | 73.8 |
| Prime | 100% | 358.1 | 94.6 |
| Standby | 100% | 94.64 | 25.0 |
Available documents
This page was generated from the 3 manufacturer documents above by automated extraction; every figure shown is copied from one of them. How the data is compiled.