Cummins
Cummins QST30G5
Cummins QST30G5 generator-drive diesel engine discovered in the GenProBase public selector. GenProBase lists 1 row(s) across 60Hz with 30 L displacement, 12V cylinders, liquid-cooled cooling, and U.S. EPA Tier 2 emissions labeling. Treat this row as source-discovered and prioritize OEM datasheet attachment in a follow-up pass.
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- Manufacturer files
- No datasheet
- Last updated
- 2026-08-05
- Package route
- diesel generator sets
- Standby Power · 60 Hz
- 1,250 kVA
- Electrical Output
- 1,000 kWe
- Cylinders
- V12
- Displacement
- 30 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 | 1007 | 910 | — |
| Standby Power | 1112 | 1000 | — |
Cummins QST30G5 generator set context
The Cummins QST30G5 is listed here as a diesel generator-drive engine for 60 Hz generator sets, with a headline 1,250 kVA / 1,000 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 | Cummins |
| Model | QST30G5 |
| Configuration | L12, turbocharged aftercooled |
| Cylinders | 12 |
| Displacement | 30 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 |
| Certifications | U.S. EPA Tier 2 |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Cummins QST30G5?
The Cummins QST30G5 is rated at 1,250 kVA standby / 1,138 kVA prime at 60 Hz (1,800 rpm).
Does the QST30G5 run at 50 Hz or 60 Hz?
The Cummins QST30G5 is rated for 60 Hz (1,800 rpm).
What fuel does the Cummins QST30G5 use?
The Cummins QST30G5 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QST30G5?
The Cummins QST30G5 is a V12 (12-cylinder) engine with a displacement of 30 L.
What emissions standard does the QST30G5 meet?
The Cummins QST30G5 is certified to U.S. EPA Tier 2 emissions standards.
Is the Cummins QST30G5 still in production?
Yes — the Cummins QST30G5 is a current production model.