Cummins
Cummins 4BT3.3G5
B3.3 Series
Cummins 4BT3.3G5 3.261 L L4 Turbocharged diesel engine for 60 Hz generator applications. The 2026 EPA record certifies up to 51 kWm at 1800 RPM. U.S. EPA Tier 3 / U.S. EPA Interim Tier 4.
Overhaul & repair parts- Manufacturer files
- No datasheet
- Last updated
- 2026-07-25
- Package route
- diesel generator sets
- Mechanical Output
- 51 kW
- Cylinders
- L4
- Displacement
- 3.261 L
- Rated Speed
- 1,500 RPM
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Cummins 4BT3.3G5 overhaul & repair parts
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Cummins 4BT3.3G5 generator set context
The Cummins 4BT3.3G5 is listed here as a diesel generator-drive engine for 50 Hz generator sets, with a headline 51 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.
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Technical Specifications
| Brand | Cummins |
| Model | 4BT3.3G5 |
| 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 |
Frequently asked questions
What fuel does the Cummins 4BT3.3G5 use?
The Cummins 4BT3.3G5 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4BT3.3G5?
The Cummins 4BT3.3G5 is an inline-4 (4-cylinder) engine with a displacement of 3.261 L.
What emissions information is listed for the 4BT3.3G5?
This record lists U.S. EPA Tier 3 / U.S. EPA Interim Tier 4 for the Cummins 4BT3.3G5. 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 Cummins 4BT3.3G5?
The Cummins 4BT3.3G5 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.