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Ask for a document on WhatsAppCummins 4BT3.3G4 3.261 L L4 Turbocharged diesel engine for 60 Hz generator applications. The 2026 EPA record certifies up to 46 kWm at 1800 RPM. U.S. EPA Tier 3 / U.S. EPA Interim Tier 4.
B3.3 Series

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 | 46 kWm | 41.4 kWe |
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.
We do not have a document for this model here yet. Send the model and serial number, and tell us which manual you need.
Ask for a document on WhatsApp| Brand | Cummins |
| Model | 4BT3.3G4 |
| Series | B3.3 Series |
| Configuration | L4 Turbocharged |
| Cylinders | 4 |
| Displacement | 3.261 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 / U.S. EPA Interim Tier 4 |
| Certifications | U.S. EPA Tier 3, U.S. EPA Interim Tier 4 |
| Country of Origin | United States |
The Cummins 4BT3.3G4 is a diesel generator-drive engine for applications whose frequency must be verified, rated at 46 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.
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The Cummins 4BT3.3G4 is a diesel generator-set engine.
The Cummins 4BT3.3G4 is an inline-4 (4-cylinder) engine with a displacement of 3.261 L.
This record lists U.S. EPA Tier 3 / U.S. EPA Interim Tier 4 for the Cummins 4BT3.3G4. 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.
The Cummins 4BT3.3G4 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.