Caterpillar
Caterpillar 3306
3300 Series
Caterpillar 3306 10.5L 6-cylinder diesel engine for generator sets. 250 ekW standby at 60Hz. U.S. EPA Tier 2. Turbocharged Aftercooled.
- Standby Power · 50 Hz
- 250 kVA
- Electrical Output
- 200 kWe
- Cylinders
- L6
- Displacement
- 10.5 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 200 | 180 | 225 |
| Standby Power | 222.2 | 200 | 250 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 250 | 225 | 281.3 |
| Standby Power | 277.8 | 250 | 312.5 |
Caterpillar 3306 generator set context
The Caterpillar 3306 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 250 kVA / 200 kWe / 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.
Also searched as
Technical Specifications
| Brand | Caterpillar |
| Model | 3306 |
| Series | 3300 Series |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 10.5 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 2 |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Caterpillar 3306?
The Caterpillar 3306 is rated at 250 kVA standby / 225 kVA prime at 50 Hz (1,500 rpm); and 313 kVA standby / 281 kVA prime at 60 Hz (1,800 rpm).
Does the 3306 run at 50 Hz or 60 Hz?
The Caterpillar 3306 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Caterpillar 3306 use?
The Caterpillar 3306 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 3306?
The Caterpillar 3306 is an inline-6 (6-cylinder) engine with a displacement of 10.5 L.
What emissions standard does the 3306 meet?
The Caterpillar 3306 is certified to U.S. EPA Tier 2 emissions standards.
Is the Caterpillar 3306 still in production?
Yes — the Caterpillar 3306 is a current production model.
Is a datasheet available for the 3306?
Yes — an official Caterpillar datasheet for the Caterpillar 3306 can be downloaded from this page.
Related Engines
Compare Caterpillar 3306
Reference
- Canonical page
- /engines/caterpillar-3306
- Last database update
- 2026-06-28
- Manufacturer files
- 1 datasheet linked
Need this engine?
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