Caterpillar
Caterpillar CG170B-12
CG170
Caterpillar CG170B-12 — 53.1 L V12 spark-ignited natural gas generator engine (Cat CG170 series). 1380 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
- 1,725 kVA
- Electrical Output
- 1,380 kWe
- Cylinders
- V12
- Displacement
- 53.1 L
- Rated Speed
- 1,500 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | — | 1380 | 1725 |
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Caterpillar CG170B-12 overhaul & repair parts
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Caterpillar CG170B-12 generator set context
The Caterpillar CG170B-12 is listed here as a natural gas generator-drive engine for 50 Hz generator sets, with a headline 1,725 kVA / 1,380 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-12 |
| Series | CG170 |
| Configuration | V12 |
| Cylinders | 12 |
| Displacement | 53.1 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-12?
The Caterpillar CG170B-12 is rated at 1,725 kVA prime at 50 Hz (1,500 rpm).
Does the CG170B-12 run at 50 Hz or 60 Hz?
The Caterpillar CG170B-12 is rated for 50 Hz (1,500 rpm).
What fuel does the Caterpillar CG170B-12 use?
The Caterpillar CG170B-12 is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the CG170B-12?
The Caterpillar CG170B-12 is a V12 (12-cylinder) engine with a displacement of 53.1 L.
What is the catalog status of the Caterpillar CG170B-12?
The Caterpillar CG170B-12 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-12?
This page links reference documents for the Caterpillar CG170B-12. Check each document's title, model coverage, revision and rating conditions before using it for selection.