Cummins INDUSTRIAL ENGINES
In ProductionCummins QSB5G3
QSB Series
Cummins QSB5G3 generator-drive diesel engine discovered in the GenProBase public selector. GenProBase lists 2 row(s) across 50Hz, 60Hz with 4.5 L displacement, 4L cylinders, liquid-cooled cooling, and U.S. EPA Tier 3 / EU Stage IIIA / China III emissions labeling. Treat this row as source-discovered and prioritize OEM datasheet attachment in a follow-up pass.
Electrical Output
80 kWe
Cylinders / Config
L4, turbocharged aftercooled
Displacement
4.5 L
Rated Speed
1,500 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) |
|---|---|---|---|
| Prime | 81 | 66 | — |
| Standby | 94 | 72 | — |
| Operating Duty | kWm (Mechanical) | kWe (Electrical) | kVA (Rating) |
|---|---|---|---|
| Prime | 94 | 72 | — |
| Standby | 108 | 80 | — |
Mechanical & Electrical Specifications
| Brand | Cummins |
| Model | QSB5G3 |
| Series | QSB Series |
| Configuration | L4, turbocharged aftercooled |
| Cylinders | 4 |
| Displacement | 4.5 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 / EU Stage IIIA / China III |
| Certifications | U.S. EPA Tier 3, EU Stage IIIA, China III |
| Country of Origin | United States / United Kingdom |
Frequently Asked Questions
What is the power output of the Cummins QSB5G3?
The Cummins QSB5G3 is rated at 90 kVA standby / 83 kVA prime at 50 Hz (1,500 rpm); and 100 kVA standby / 90 kVA prime at 60 Hz (1,800 rpm).
Does the QSB5G3 run at 50 Hz or 60 Hz?
The Cummins QSB5G3 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Cummins QSB5G3 use?
The Cummins QSB5G3 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSB5G3?
The Cummins QSB5G3 is an inline-4 (4-cylinder) engine with a displacement of 4.5 L.
What emissions standard does the QSB5G3 meet?
The Cummins QSB5G3 is certified to U.S. EPA Tier 3 / EU Stage IIIA / China III emissions standards.
Is the Cummins QSB5G3 still in production?
Yes — the Cummins QSB5G3 is a current production model.