Caterpillar
Caterpillar CG170B-20
CG170
Caterpillar CG170B-20 — 88.5 L V20 spark-ignited natural gas generator engine (Cat CG170 series). 2300 ekW continuous at 1500 rpm; B-series lean-burn, ≤250 mg/Nm³ NOx; multi-fuel. Source: Cat 2024 Electric Power Ratings Guide.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-06-11
- Package route
- gas generator sets
- Prime Power · 50 Hz
- 2,875 kVA
- Electrical Output
- 2,300 kWe
- Cylinders
- V20
- Displacement
- 88.5 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 | — | 2300 | 2875 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 2300 | 2875 |
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Caterpillar CG170B-20 generator set context
The Caterpillar CG170B-20 is listed here as a natural gas generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 2,875 kVA / 2,300 kWe / prime 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 | CG170B-20 |
| Series | CG170 |
| Configuration | V20 |
| Cylinders | 20 |
| Displacement | 88.5 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | Germany |
Frequently asked questions
What is the power output of the Caterpillar CG170B-20?
The Caterpillar CG170B-20 is rated at 2,875 kVA prime at 50 Hz (1,500 rpm); and 2,875 kVA prime at 60 Hz (1,800 rpm).
Does the CG170B-20 run at 50 Hz or 60 Hz?
The Caterpillar CG170B-20 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Caterpillar CG170B-20 use?
The Caterpillar CG170B-20 is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the CG170B-20?
The Caterpillar CG170B-20 is a V20 (20-cylinder) engine with a displacement of 88.5 L.
What is the catalog status of the Caterpillar CG170B-20?
The Caterpillar CG170B-20 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 CG170B-20?
This page links reference documents for the Caterpillar CG170B-20. Check each document's title, model coverage, revision and rating conditions before using it for selection.