Caterpillar
Caterpillar C6.6 60 Hz Tier 3 Legacy Genset
C6.6
Caterpillar C6.6 60 Hz discontinued/non-current diesel generator-set package. Cat H-CPC marks the source page as Non-Current and validates 114-175 ekW ratings, 60 Hz operation, Tier 3 Nonroad Equivalent emissions strategy, and the C6.6 inline-6 four-cycle diesel engine model.
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- Manufacturer files
- No datasheet
- Last updated
- 2026-08-12
- Package route
- diesel generator sets
- Electrical Output
- 175 kW
- Cylinders
- L6
- Rated Speed
- 1,500 RPM
Caterpillar C6.6 60 Hz Tier 3 Legacy Genset generator set context
The Caterpillar C6.6 60 Hz Tier 3 Legacy Genset is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 175 kW / 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 | C6.6 60 Hz Tier 3 Legacy Genset |
| Series | C6.6 |
| Configuration | C6.6 inline-6 four-cycle diesel generator-set package |
| Cylinders | 6 |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Tier 3 Nonroad Equivalent |
| Certifications | Caterpillar Non-Current product page |
| Country of Origin | United States |
Frequently asked questions
What fuel does the Caterpillar C6.6 60 Hz Tier 3 Legacy Genset use?
The Caterpillar C6.6 60 Hz Tier 3 Legacy Genset is a diesel generator-set engine.
What is the cylinder configuration of the C6.6 60 Hz Tier 3 Legacy Genset?
The Caterpillar C6.6 60 Hz Tier 3 Legacy Genset is an inline-6 (6-cylinder) engine.
What emissions standard does the C6.6 60 Hz Tier 3 Legacy Genset meet?
The Caterpillar C6.6 60 Hz Tier 3 Legacy Genset is certified to Tier 3 Nonroad Equivalent emissions standards.
Is the C6.6 60 Hz Tier 3 Legacy Genset still in production?
No — the Caterpillar C6.6 60 Hz Tier 3 Legacy Genset is discontinued. Its specifications and datasheets remain archived here for reference.