Caterpillar
Caterpillar C1.5
C Series
Caterpillar C1.5 — 1.5 L L3 turbocharged-aftercooled diesel generator engine (Cat C-Series series). 10.8 ekW standby / 10 ekW prime @ 50 Hz, 13 / 12 ekW @ 60 Hz; compact 3-cylinder industrial diesel. Source: Cat 2024 Electric Power Ratings Guide.
- Manufacturer files
- 1 datasheet
- Last updated
- 2026-06-11
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 14 kVA
- Electrical Output
- 11 kWe
- Cylinders
- L3
- Displacement
- 1.5 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 | — | 10 | 12.5 |
| Standby Power | — | 10.8 | 13.5 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 12 | 15 |
| Standby Power | — | 13 | 16.3 |
Caterpillar C1.5 generator set context
The Caterpillar C1.5 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 14 kVA / 11 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 | Caterpillar |
| Model | C1.5 |
| Series | C Series |
| Configuration | L3 |
| Cylinders | 3 |
| Displacement | 1.5 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Euro Stage IIIA |
| Country of Origin | Japan |
Frequently asked questions
What is the power output of the Caterpillar C1.5?
The Caterpillar C1.5 is rated at 14 kVA standby / 13 kVA prime at 50 Hz (1,500 rpm); and 16 kVA standby / 15 kVA prime at 60 Hz (1,800 rpm).
Does the C1.5 run at 50 Hz or 60 Hz?
The Caterpillar C1.5 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Caterpillar C1.5 use?
The Caterpillar C1.5 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the C1.5?
The Caterpillar C1.5 is an inline-3 (3-cylinder) engine with a displacement of 1.5 L.
What emissions standard does the C1.5 meet?
The Caterpillar C1.5 is certified to Euro Stage IIIA emissions standards.
Is the Caterpillar C1.5 still in production?
Yes — the Caterpillar C1.5 is a current production model.
Is a datasheet available for the C1.5?
Yes — an official Caterpillar datasheet for the Caterpillar C1.5 can be downloaded from this page.