Caterpillar
Caterpillar C15
C Series
Caterpillar C15 15.2L 6-cylinder diesel engine for generator sets. 500 ekW standby at 60Hz / 400 ekW standby at 50Hz. U.S. EPA Tier 2. Turbocharged Air-to-Air.
- Standby Power · 50 Hz
- 500 kVA
- Electrical Output
- 400 kWe
- Cylinders
- L6
- Displacement
- 15.2 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 | 400 | 360 | 450 |
| Standby Power | 444.4 | 400 | 500 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 505.6 | 455 | 568.8 |
| Standby Power | 555.6 | 500 | 625 |
Caterpillar C15 generator set context
The Caterpillar C15 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 500 kVA / 400 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 | C15 |
| Series | C Series |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 15.2 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 C15?
The Caterpillar C15 is rated at 500 kVA standby / 450 kVA prime at 50 Hz (1,500 rpm); and 625 kVA standby / 569 kVA prime at 60 Hz (1,800 rpm).
Does the C15 run at 50 Hz or 60 Hz?
The Caterpillar C15 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Caterpillar C15 use?
The Caterpillar C15 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the C15?
The Caterpillar C15 is an inline-6 (6-cylinder) engine with a displacement of 15.2 L.
What emissions standard does the C15 meet?
The Caterpillar C15 is certified to U.S. EPA Tier 2 emissions standards.
Is the Caterpillar C15 still in production?
Yes — the Caterpillar C15 is a current production model.
Is a datasheet available for the C15?
Yes — an official Caterpillar datasheet for the Caterpillar C15 can be downloaded from this page.
Related Engines
Compare Caterpillar C15
Reference
- Canonical page
- /engines/caterpillar-c15
- Last database update
- 2026-06-28
- Manufacturer files
- 1 datasheet linked
Need this engine?
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