Cummins INDUSTRIAL ENGINES
In ProductionCummins C45N6
QSJ5.9G-G1 Genset
Cummins C45N6 is a 45 kWe / 56 kVA, 60 Hz gaseous standby generator set powered by the QSJ5.9G-G1 engine. Cummins' official 2025 North American model-range card lists the set for natural gas or propane and identifies EPA NSPS certification. This database uses the published natural-gas generator rating.
Standby Power
56 kVA
Electrical Output
45 kWe
Cylinders / Config
Inline-6 Turbocharged Spark Ignition
Displacement
5.9 L
Rated Speed
1,800 RPM
ISO 8528 Power Ratings
Power Factor: 0.8 pfkWm = mechanical engine shaft power · kWe = electrical output · kVA = apparent electrical power.
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Standby | — | 45 | 56 |
Mechanical & Electrical Specifications
| Brand | Cummins |
| Model | C45N6 |
| Series | QSJ5.9G-G1 Genset |
| Configuration | Inline-6 Turbocharged Spark Ignition |
| Cylinders | 6 |
| Displacement | 5.9 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | U.S. EPA Stationary, U.S. EPA NSPS, U.S. EPA Stationary Emergency |
| Country of Origin | United States |
Frequently Asked Questions
What is the power output of the Cummins C45N6?
The Cummins C45N6 is rated at 56 kVA standby at 60 Hz (1,800 rpm).
Does the C45N6 run at 50 Hz or 60 Hz?
The Cummins C45N6 is rated for 60 Hz (1,800 rpm).
What fuel does the Cummins C45N6 use?
The Cummins C45N6 is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the C45N6?
The Cummins C45N6 is an inline-6 (6-cylinder) engine with a displacement of 5.9 L.
What emissions standard does the C45N6 meet?
The Cummins C45N6 is certified to U.S. EPA Stationary emissions standards.
Is the Cummins C45N6 still in production?
Yes — the Cummins C45N6 is a current production model.
Is a datasheet available for the C45N6?
Yes — an official Cummins datasheet for the Cummins C45N6 can be downloaded from this page.