Caterpillar
Caterpillar C175-20
C Series
Caterpillar C175-20 — 107 L V20 turbocharged-aftercooled diesel generator engine (Cat C-Series series). 3120 ekW standby / 2800 ekW prime @ 50 Hz, 3900 / 3500 ekW @ 60 Hz; high-speed V20 (175×220 mm); EPA Stationary Emergency (ESE). Source: Cat 2024 Electric Power Ratings Guide.
- Standby Power · 50 Hz
- 3,900 kVA
- Electrical Output
- 3,120 kWe
- Cylinders
- V20
- Displacement
- 107 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 | — | 2800 | 3500 |
| Standby Power | — | 3120 | 3900 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 3500 | 4375 |
| Standby Power | — | 3900 | 4875 |
Caterpillar C175-20 generator set context
The Caterpillar C175-20 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 3,900 kVA / 3,120 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 | C175-20 |
| Series | C Series |
| Configuration | V20 |
| Cylinders | 20 |
| Displacement | 107 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Caterpillar C175-20?
The Caterpillar C175-20 is rated at 3,900 kVA standby / 3,500 kVA prime at 50 Hz (1,500 rpm); and 4,875 kVA standby / 4,375 kVA prime at 60 Hz (1,800 rpm).
Does the C175-20 run at 50 Hz or 60 Hz?
The Caterpillar C175-20 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Caterpillar C175-20 use?
The Caterpillar C175-20 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the C175-20?
The Caterpillar C175-20 is a V20 (20-cylinder) engine with a displacement of 107 L.
What emissions standard does the C175-20 meet?
The Caterpillar C175-20 is certified to U.S. EPA Stationary emissions standards.
Is the Caterpillar C175-20 still in production?
Yes — the Caterpillar C175-20 is a current production model.
Is a datasheet available for the C175-20?
Yes — an official Caterpillar datasheet for the Caterpillar C175-20 can be downloaded from this page.