Cummins INDUSTRIAL ENGINES
In ProductionCummins QSJ2.4G
QSJ
Cummins QSJ2.4G is a 2.4 L inline-4 spark-ignited engine for natural-gas generator sets. Cummins lists the platform in EPA NSPS-certified 60 Hz sets through 40 kWe, while EPA annual certification data lists a current 52.2 kWm calibration.
Standby Power
50 kVA
Electrical Output
40 kWe
Cylinders / Config
L4 Spark Ignition
Displacement
2.4 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 | — | 40 | 50 |
Mechanical & Electrical Specifications
| Brand | Cummins |
| Model | QSJ2.4G |
| Series | QSJ |
| Configuration | L4 Spark Ignition |
| Cylinders | 4 |
| Displacement | 2.4 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | U.S. EPA NSPS |
| Country of Origin | United States |
Frequently Asked Questions
What is the power output of the Cummins QSJ2.4G?
The Cummins QSJ2.4G is rated at 50 kVA standby at 60 Hz (1,800 rpm).
Does the QSJ2.4G run at 50 Hz or 60 Hz?
The Cummins QSJ2.4G is rated for 60 Hz (1,800 rpm).
What fuel does the Cummins QSJ2.4G use?
The Cummins QSJ2.4G is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the QSJ2.4G?
The Cummins QSJ2.4G is an inline-4 (4-cylinder) engine with a displacement of 2.4 L.
What emissions standard does the QSJ2.4G meet?
The Cummins QSJ2.4G is certified to U.S. EPA Stationary emissions standards.
Is the Cummins QSJ2.4G still in production?
Yes — the Cummins QSJ2.4G is a current production model.
Is a datasheet available for the QSJ2.4G?
Yes — an official Cummins datasheet for the Cummins QSJ2.4G can be downloaded from this page.