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Cummins 4BT3.3G4

B3.3 Series

In Production

Cummins 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.

Cummins 4BT3.3G4 3.261L L4 Turbocharged diesel generator engine specifications
Cummins 4BT3.3G4 3.261L L4 Turbocharged diesel generator engine specifications
Electrical Output
46 kW
Cylinders
L4
Displacement
3.261 L
Rated Speed
1,500 RPM

Cummins 4BT3.3G4 generator set context

The Cummins 4BT3.3G4 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 46 kW / 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

4bt33g4Cummins 4BT3.3G4B3.3 Series 4BT3.3G4

Technical Specifications

BrandCummins
Model4BT3.3G4
SeriesB3.3 Series
ConfigurationL4 Turbocharged
Cylinders4
Displacement3.261 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardU.S. EPA Tier 3 / U.S. EPA Interim Tier 4
CertificationsU.S. EPA Tier 3, U.S. EPA Interim Tier 4
Country of OriginUnited States

Frequently asked questions

What fuel does the Cummins 4BT3.3G4 use?

The Cummins 4BT3.3G4 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 4BT3.3G4?

The Cummins 4BT3.3G4 is an inline-4 (4-cylinder) engine with a displacement of 3.261 L.

What emissions standard does the 4BT3.3G4 meet?

The Cummins 4BT3.3G4 is certified to U.S. EPA Tier 3 / U.S. EPA Interim Tier 4 emissions standards.

Is the Cummins 4BT3.3G4 still in production?

Yes — the Cummins 4BT3.3G4 is a current production model.

Reference

Last database update
2026-07-25
Manufacturer files
No datasheet linked yet

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