Cummins
Cummins QSZ13-G11
QSZ13
Cummins QSZ13-G11 12.9L 6-cylinder diesel engine for generator sets. 440 kWe prime / 500 kWe standby at 60Hz. EPA Tier 3. Turbocharged, Intercooled.
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- Manufacturer files
- 1 datasheet
- Last updated
- 2026-06-28
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 550 kVA
- Electrical Output
- 440 kWe
- Cylinders
- L6
- Displacement
- 12.9 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 444.4 | 400 | 500 |
| Standby Power | 488.9 | 440 | 550 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 488.9 | 440 | 550 |
| Standby Power | 555.6 | 500 | 625 |
Cummins QSZ13-G11 generator set context
The Cummins QSZ13-G11 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 550 kVA / 440 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.
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Technical Specifications
| Brand | Cummins |
| Model | QSZ13-G11 |
| Series | QSZ13 |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 12.9 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Cummins QSZ13-G11?
The Cummins QSZ13-G11 is rated at 550 kVA standby / 500 kVA prime at 50 Hz (1,500 rpm); and 625 kVA standby / 550 kVA prime at 60 Hz (1,800 rpm).
Does the QSZ13-G11 run at 50 Hz or 60 Hz?
The Cummins QSZ13-G11 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Cummins QSZ13-G11 use?
The Cummins QSZ13-G11 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the QSZ13-G11?
The Cummins QSZ13-G11 is an inline-6 (6-cylinder) engine with a displacement of 12.9 L.
What emissions standard does the QSZ13-G11 meet?
The Cummins QSZ13-G11 is certified to U.S. EPA Tier 3 emissions standards.
Is the Cummins QSZ13-G11 still in production?
Yes — the Cummins QSZ13-G11 is a current production model.
Is a datasheet available for the QSZ13-G11?
Yes — an official Cummins datasheet for the Cummins QSZ13-G11 can be downloaded from this page.