Caterpillar
Caterpillar C7.1
C Series
Caterpillar C7.1 7L 4-cylinder diesel engine for generator sets. 150 ekW standby at 60Hz / 132 ekW standby at 50Hz. U.S. EPA Tier 3. Turbocharged Aftercooled.
- Standby Power · 50 Hz
- 165 kVA
- Electrical Output
- 132 kWe
- Cylinders
- L4
- Displacement
- 7 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 | 133.3 | 120 | 150 |
| Standby Power | 146.7 | 132 | 165 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 150 | 135 | 168.8 |
| Standby Power | 166.7 | 150 | 187.5 |
Caterpillar C7.1 generator set context
The Caterpillar C7.1 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 165 kVA / 132 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 | C7.1 |
| Series | C Series |
| Configuration | L4 |
| Cylinders | 4 |
| Displacement | 7 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Caterpillar C7.1?
The Caterpillar C7.1 is rated at 165 kVA standby / 150 kVA prime at 50 Hz (1,500 rpm); and 188 kVA standby / 169 kVA prime at 60 Hz (1,800 rpm).
Does the C7.1 run at 50 Hz or 60 Hz?
The Caterpillar C7.1 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Caterpillar C7.1 use?
The Caterpillar C7.1 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the C7.1?
The Caterpillar C7.1 is an inline-4 (4-cylinder) engine with a displacement of 7 L.
What emissions standard does the C7.1 meet?
The Caterpillar C7.1 is certified to U.S. EPA Tier 3 emissions standards.
Is the Caterpillar C7.1 still in production?
Yes — the Caterpillar C7.1 is a current production model.
Is a datasheet available for the C7.1?
Yes — an official Caterpillar datasheet for the Caterpillar C7.1 can be downloaded from this page.
Related Engines
Compare Caterpillar C7.1
Reference
- Canonical page
- /engines/caterpillar-c7-1
- Last database update
- 2026-06-28
- Manufacturer files
- 1 datasheet linked
Need this engine?
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