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.
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- Manufacturer files
- No 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
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.