Caterpillar
Caterpillar D450 GC Legacy Genset
GC Diesel Generator Sets
Caterpillar D450 GC Legacy Genset discontinued/non-current GC diesel generator set. Cat H-CPC marks the source page as Non-Current and links the official LEHE2010-06 Cat GC spec sheet validating the 450 ekW standby rating.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-11
- Package route
- diesel generator sets
- Mechanical Output
- 450 kW
- Cylinders
- L6
- Displacement
- 15.2 L
- Rated Speed
- 1,500 RPM
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Caterpillar D450 GC Legacy Genset overhaul & repair parts
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Caterpillar D450 GC Legacy Genset generator set context
The Caterpillar D450 GC Legacy Genset is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 450 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 | D450 GC Legacy Genset |
| Series | GC Diesel Generator Sets |
| Configuration | C15 ATAAC inline-6 four-stroke water-cooled diesel generator-set engine |
| Cylinders | 6 |
| Displacement | 15.2 L |
| Compression Ratio | 16.1:1 |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Tier 2 / Tier 3 |
| Certifications | Caterpillar Non-Current product page, EPA stationary emergency application |
| Country of Origin | United States |
Frequently asked questions
What fuel does the Caterpillar D450 GC Legacy Genset use?
The Caterpillar D450 GC Legacy Genset is a diesel generator-set engine.
What is the displacement and cylinder configuration of the D450 GC Legacy Genset?
The Caterpillar D450 GC Legacy Genset is an inline-6 (6-cylinder) engine with a displacement of 15.2 L.
What emissions information is listed for the D450 GC Legacy Genset?
This record lists Tier 2 / Tier 3 for the Caterpillar D450 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 D450 GC Legacy Genset still in production?
No — the Caterpillar D450 GC Legacy Genset is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the D450 GC Legacy Genset?
This page links reference documents for the Caterpillar D450 GC Legacy Genset. Check each document's title, model coverage, revision and rating conditions before using it for selection.