Specifications
| Fuel | Natural Gas, LP Liquid |
|---|---|
| Frequency | 60.0 Hz |
| Standby power | 108 kW |
| Controller | InteliGen NT™ Display |
| Oil capacity | 7.6 L |
| Voltage options | 120 V, 24 V |
| Phase | 3-phase |
| Power factor | 0.8 |
| Battery voltage | 24 V |
| Battery quantity | 2 |
| Coolant capacity | 66 L |
| Max ambient | 50 °C |
| Dimensions (L×W×H) | 1739×1676×2336 mm |
| Dry weight | 3286 kg |
| Sound level | 75.0 dBA @ 7 m |
Filters & service parts
model family| Item | Spec | Capacity | Part # | Interval | |
|---|---|---|---|---|---|
| Air filter | fan belt | — | 750 hr | find | |
| Fuel filter | — | find | |||
| Oil filter | — | find | |||
| Belt | — | 750 hr | find | ||
| Coolant | engine coolant | — | |||
| Coolant filter | — | find | |||
| Oil | — | 750 hr |
Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.
Common questions
What is the power rating of the Generac MGG155?
The Generac MGG155 is rated 108 kW standby.
What fuel does the Generac MGG155 use?
The Generac MGG155 runs on Natural Gas, LP Liquid.
Parts
7| Part # | Description | Qty | System | |
|---|---|---|---|---|
| 00578 | Control Panel - MGG155 and MGG210 | Service part / kit | PartsGeek | |
| 00651 | Formula Example - Fuel Select Switch | Service part / kit | PartsGeek | |
| 00720 | Fuel System - MGG155 Shown | Service part / kit | PartsGeek | |
| 00844 | Engine Oil Recommendations | Service part / kit | PartsGeek | |
| 02032 | Component Locations - MGG155 - Left Side | Service part / kit | PartsGeek | |
| 02034 | Component Locations - MGG155 and MGG210 - Right Side (MGG155 Shown) | Service part / kit | PartsGeek | |
| 02063 | Unit Serial Number Locations | Service part / kit | PartsGeek |
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 | |||
| Prime | 25% | 14.0 | 4.6 |
| Prime | 50% | 23.5 | 8.8 |
| Prime | 75% | 32.9 | 11.7 |
| Prime | 100% | 42.3 | 16.5 |
| Standby |
Available documents
Brochure — application-profile-mobile-there-s-power-in-numbers-low-res (Generac)Spec sheet — FICHA-INDUSTRIAL-PESADO-min (Generac)Spec sheet — mgg155n2-gaseous-generator ss (Generac)Operator's manual — MGG155 (Operation) (Generac)