Cummins
Cummins QSV91G
QSV91
Cummins QSV91G — 91.6 L V18 (180 × 200 mm) lean-burn spark-ignited natural-gas generator-set engine. 1540–2000 kWe across ratings, 1500 rpm (50 Hz) / 1800 rpm (60 Hz); for prime, continuous and CHP power.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-06-08
- Package route
- gas generator sets
- Prime Power · 50 Hz
- 2,500 kVA
- Electrical Output
- 2,000 kWe
- Cylinders
- V18
- Displacement
- 91.6 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 2000 | 2500 |
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Cummins QSV91G overhaul & repair parts
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Cummins QSV91G generator set context
The Cummins QSV91G is listed here as a natural gas generator-drive engine for 50 Hz generator sets, with a headline 2,500 kVA / 2,000 kWe / prime 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.
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Technical Specifications
| Brand | Cummins |
| Model | QSV91G |
| Series | QSV91 |
| Configuration | V18 |
| Cylinders | 18 |
| Displacement | 91.6 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Cummins QSV91G?
The Cummins QSV91G is rated at 2,500 kVA prime at 50 Hz (1,500 rpm).
Does the QSV91G run at 50 Hz or 60 Hz?
The Cummins QSV91G is rated for 50 Hz (1,500 rpm).
What fuel does the Cummins QSV91G use?
The Cummins QSV91G is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the QSV91G?
The Cummins QSV91G is a V18 (18-cylinder) engine with a displacement of 91.6 L.
What is the catalog status of the Cummins QSV91G?
The Cummins QSV91G is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the QSV91G?
This page links reference documents for the Cummins QSV91G. Check each document's title, model coverage, revision and rating conditions before using it for selection.