Caterpillar
Caterpillar D250 GC Legacy Genset
GC Diesel Generator Sets
Caterpillar D250 GC Legacy Genset discontinued/non-current GC diesel generator set. Cat H-CPC marks the source page as Non-Current and links the official LEHE2023-03 Cat GC spec sheet validating the 250 ekW standby rating.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Mechanical Output
- 250 kW
- Cylinders
- L6
- Displacement
- 8.8 L
- Rated Speed
- 1,500 RPM
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Caterpillar D250 GC Legacy Genset overhaul & repair parts
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Caterpillar D250 GC Legacy Genset generator set context
The Caterpillar D250 GC Legacy Genset is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 250 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 | D250 GC Legacy Genset |
| Series | GC Diesel Generator Sets |
| Configuration | C9 ATAAC inline-6 four-stroke water-cooled diesel generator-set engine |
| Cylinders | 6 |
| Displacement | 8.8 L |
| Compression Ratio | 16.1:1 |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Tier 3 / EPA stationary emergency application |
| Certifications | Caterpillar Non-Current product page, EPA stationary emergency application |
| Country of Origin | United States |
Frequently asked questions
What fuel does the Caterpillar D250 GC Legacy Genset use?
The Caterpillar D250 GC Legacy Genset is a diesel generator-set engine.
What is the displacement and cylinder configuration of the D250 GC Legacy Genset?
The Caterpillar D250 GC Legacy Genset is an inline-6 (6-cylinder) engine with a displacement of 8.8 L.
What emissions information is listed for the D250 GC Legacy Genset?
This record lists Tier 3 / EPA stationary emergency application for the Caterpillar D250 GC Legacy Genset. Confirm the exact engine family, model year, configuration and applicable manufacturer certification documents before specifying it for a regulated project. A database label does not establish certification of a complete generator package.
Is the D250 GC Legacy Genset still in production?
No — the Caterpillar D250 GC Legacy Genset is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the D250 GC Legacy Genset?
This page links reference documents for the Caterpillar D250 GC Legacy Genset. Check each document's title, model coverage, revision and rating conditions before using it for selection.