Caterpillar G3306B
Caterpillar G3306B 10.5 L inline-6 natural-gas engine rated from 108 to 157 bkW at 1800 RPM. Caterpillar identifies rich-burn configurations as EPA NSPS site-compliant capable with the required air-fuel-ratio control and aftertreatment.
Production StatusIn Production
G3300 Series
- Mechanical Output
- 157 kW
- Cylinders
- L6
- Displacement
- 10.5 L
- Rated Speed
- 1,500 RPM
Estimated electrical output
Engine power × 0.90. These are estimates, not manufacturer generator ratings. Actual output depends on the alternator and operating conditions.
| Frequency / duty | Engine | Estimate |
|---|---|---|
| Frequency and duty unverified | 157 kWm | 141.3 kWe |
Datasheet & documents
Match the model number on your engine plate to the document. Check its revision date and the speed and duty listed for each power rating.
Technical specifications
Technical Specifications
| Brand | Caterpillar |
| Model | G3306B |
| Series | G3300 Series |
| Configuration | L6 Naturally Aspirated or Turbocharged Aftercooled |
| Cylinders | 6 |
| Displacement | 10.5 L |
| Fuel Type | Natural Gas |
| Ignition Type | Spark Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Stationary |
| Certifications | U.S. EPA NSPS Site Compliant Capable |
| Country of Origin | United States |
Check your engine model
The Caterpillar G3306B is a natural gas generator-drive engine for applications whose frequency must be verified, rated at 157 kW / standby rating. Match the model and serial number on your engine plate when requesting a manual or parts. The ratings and emissions information below help identify the version fitted to your generator.
Other ways this model is written
g3306bCaterpillar G3306BG3300 Series G3306B
G3306B repair parts
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Frequently asked questions
What fuel does the Caterpillar G3306B use?
The Caterpillar G3306B is a Natural Gas generator-set engine.
What is the displacement and cylinder configuration of the G3306B?
The Caterpillar G3306B is an inline-6 (6-cylinder) engine with a displacement of 10.5 L.
What emissions information is listed for the G3306B?
This record lists U.S. EPA Stationary for the Caterpillar G3306B. 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.
What is the catalog status of the Caterpillar G3306B?
The Caterpillar G3306B is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.
Are reference documents available for the G3306B?
This page links reference documents for the Caterpillar G3306B. Check each document's title, model coverage, revision and rating conditions before using it for selection.