Generac
Generac SG275
SG Series
Generac SG275 14.2 L inline-6 turbocharged and aftercooled spark-ignited natural-gas generator engine. Generac publishes 409 hp standby and 369 hp prime at 1800 RPM, producing 275 kWe standby and 248 kWe prime.
- Standby Power · 60 Hz
- 344 kVA
- Electrical Output
- 275 kWe
- Cylinders
- L6
- Displacement
- 14.2 L
- Rated Speed
- 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 275 | 248 | 309.4 |
| Standby Power | 305 | 275 | 343.8 |
Generac SG275 generator set context
The Generac SG275 is listed here as a natural gas generator-drive engine for 60 Hz generator sets, with a headline 344 kVA / 275 kWe / standby rating. Use this page to compare the published engine output, electrical kWe/kVA ratings, emissions level, datasheet availability, and neighboring models before specifying an alternator, controller, enclosure, voltage, and compliance package.
Also searched as
Technical Specifications
| Brand | Generac |
| Model | SG275 |
| Series | SG Series |
| Configuration | L6 Turbocharged Aftercooled |
| Cylinders | 6 |
| Displacement | 14.2 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | U.S. EPA Stationary Emergency, U.S. EPA Stationary Non-Emergency |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Generac SG275?
The Generac SG275 is rated at 344 kVA standby / 309 kVA prime at 60 Hz (1,800 rpm).
Does the SG275 run at 50 Hz or 60 Hz?
The Generac SG275 is rated for 60 Hz (1,800 rpm).
What fuel does the Generac SG275 use?
The Generac SG275 is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the SG275?
The Generac SG275 is an inline-6 (6-cylinder) engine with a displacement of 14.2 L.
What emissions standard does the SG275 meet?
The Generac SG275 is certified to U.S. EPA Stationary emissions standards.
Is the Generac SG275 still in production?
Yes — the Generac SG275 is a current production model.
Is a datasheet available for the SG275?
Yes — an official Generac datasheet for the Generac SG275 can be downloaded from this page.
Related Engines
Compare Generac SG275
Reference
- Canonical page
- /engines/generac-sg275
- Last database update
- 2026-07-25
- Manufacturer files
- 1 datasheet linked
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