Caterpillar
Caterpillar D330C
3300 Series
Caterpillar D330C discontinued legacy engine. D330C specifications cross-checked against a Caterpillar D4D engine reference listing the D330C as a 4-cylinder, 5.7 L diesel rated 65 hp with 1680/2000 rpm variants.
Overhaul & repair parts- Manufacturer files
- 1 datasheet
- Last updated
- 2026-08-04
- Package route
- diesel generator sets
- Maximum Mechanical Power
- 49 kW
- Cylinders
- L4
- Displacement
- 5.7 L
- Rated Speed
- 2,000 RPM
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Caterpillar D330C overhaul & repair parts
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Caterpillar D330C industrial power context
The Caterpillar D330C is a high-speed industrial diesel engine rated at 48.5 kW mechanical output at 2,000 RPM. It is used in off-road equipment and can support engineered variable-speed power systems, but its maximum power is not a direct 50/60 Hz alternator rating. Verify the drivetrain, power electronics, cooling, and emissions installation with Volvo Penta before specifying a generator package.
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Technical Specifications
| Brand | Caterpillar |
| Model | D330C |
| Series | 3300 Series |
| Configuration | L4, diesel |
| Cylinders | 4 |
| Displacement | 5.7 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | United States |
Frequently asked questions
What is the maximum power output of the Caterpillar D330C?
The Caterpillar D330C has a maximum mechanical output of 48.5 kW at 2,000 rpm. This is a variable-speed off-road rating, not a fixed-speed generator-set rating.
What fuel does the Caterpillar D330C use?
The Caterpillar D330C is a diesel variable-speed industrial engine.
What is the displacement and cylinder configuration of the D330C?
The Caterpillar D330C is an inline-4 (4-cylinder) engine with a displacement of 5.7 L.
Is the D330C still in production?
No — the Caterpillar D330C is discontinued. Its specifications and datasheets remain archived here for reference.
Are reference documents available for the D330C?
This page links reference documents for the Caterpillar D330C. Check each document's title, model coverage, revision and rating conditions before using it for selection.