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.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-06-28
- Package route
- diesel generator sets
- 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 |
Ask about Caterpillar C15
Choose parts / service or sourcing. Your message includes this model and page link.
Caterpillar C15 overhaul & repair parts
Already running a Caterpillar C15? Start with the parts you need, then send your nameplate so we can help check the right references for your engine.
These categories have model-related records. Part numbers need further checking before we display them here.
Let’s identify the right parts.
The model is the starting point. Serial numbers and build configurations can change which parts fit.
- Take a clear photo of the engine nameplate.
- Tell us what needs repair or replacement.
- Send both in WhatsApp to start a fitment check.
Opens WhatsApp with C15 and your selected categories included. Attach your photos there.
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 information is listed for the C15?
This record lists U.S. EPA Tier 2 for the Caterpillar C15. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
What is the catalog status of the Caterpillar C15?
The Caterpillar C15 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 C15?
This page links reference documents for the Caterpillar C15. Check each document's title, model coverage, revision and rating conditions before using it for selection.