Caterpillar
Caterpillar C27
C Series
Caterpillar C27 27.03L 12-cylinder diesel engine for generator sets. 800 ekW standby at 60Hz / 640 ekW standby at 50Hz. U.S. EPA Tier 2. Turbocharged Aftercooled.
- Standby Power · 50 Hz
- 800 kVA
- Electrical Output
- 640 kWe
- Cylinders
- V12
- Displacement
- 27.03 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 | 644.4 | 580 | 725 |
| Standby Power | 711.1 | 640 | 800 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 805.6 | 725 | 906.3 |
| Standby Power | 888.9 | 800 | 1000 |
Caterpillar C27 generator set context
The Caterpillar C27 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 800 kVA / 640 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 | Caterpillar |
| Model | C27 |
| Series | C Series |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 27.03 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Caterpillar C27?
The Caterpillar C27 is rated at 800 kVA standby / 725 kVA prime at 50 Hz (1,500 rpm); and 1,000 kVA standby / 906 kVA prime at 60 Hz (1,800 rpm).
Does the C27 run at 50 Hz or 60 Hz?
The Caterpillar C27 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Caterpillar C27 use?
The Caterpillar C27 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the C27?
The Caterpillar C27 is a V12 (12-cylinder) engine with a displacement of 27.03 L.
What emissions standard does the C27 meet?
The Caterpillar C27 is certified to U.S. EPA Tier 2 emissions standards.
Is the Caterpillar C27 still in production?
Yes — the Caterpillar C27 is a current production model.
Is a datasheet available for the C27?
Yes — an official Caterpillar datasheet for the Caterpillar C27 can be downloaded from this page.
Related Engines
Compare Caterpillar C27
Reference
- Canonical page
- /engines/caterpillar-c27
- Last database update
- 2026-06-28
- Manufacturer files
- 1 datasheet linked
Need this engine?
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