Cummins
Cummins 4BTAA3.3G12
B3.3 Series
Cummins 4BTAA3.3G12 3.261 L L4 turbocharged and charge-air-cooled diesel engine for generator sets. Cummins publishes 67 kWm prime and 74 kWm standby at 1800 RPM. U.S. EPA Tier 3.
- Electrical Output
- 74 kW
- Cylinders
- L4
- Displacement
- 3.261 L
- Rated Speed
- 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 67 | — | — |
| Standby Power | 74 | — | — |
Cummins 4BTAA3.3G12 generator set context
The Cummins 4BTAA3.3G12 is listed here as a diesel generator-drive engine for 60 Hz generator sets, with a headline 74 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
Technical Specifications
| Brand | Cummins |
| Model | 4BTAA3.3G12 |
| Series | B3.3 Series |
| Configuration | L4 Turbocharged Intercooled |
| Cylinders | 4 |
| Displacement | 3.261 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | U.S. EPA Tier 3 |
| Certifications | U.S. EPA Tier 3 |
| Country of Origin | United States |
Frequently asked questions
What is the power output of the Cummins 4BTAA3.3G12?
The Cummins 4BTAA3.3G12 is rated at 93 kVA standby / 84 kVA prime at 60 Hz (1,800 rpm).
Does the 4BTAA3.3G12 run at 50 Hz or 60 Hz?
The Cummins 4BTAA3.3G12 is rated for 60 Hz (1,800 rpm).
What fuel does the Cummins 4BTAA3.3G12 use?
The Cummins 4BTAA3.3G12 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 4BTAA3.3G12?
The Cummins 4BTAA3.3G12 is an inline-4 (4-cylinder) engine with a displacement of 3.261 L.
What emissions standard does the 4BTAA3.3G12 meet?
The Cummins 4BTAA3.3G12 is certified to U.S. EPA Tier 3 emissions standards.
Is the Cummins 4BTAA3.3G12 still in production?
Yes — the Cummins 4BTAA3.3G12 is a current production model.
Is a datasheet available for the 4BTAA3.3G12?
Yes — an official Cummins datasheet for the Cummins 4BTAA3.3G12 can be downloaded from this page.
Reference
- Canonical page
- /engines/cummins-4btaa33g12
- Last database update
- 2026-07-25
- Manufacturer files
- 1 datasheet linked
Need this engine?
Need a generator package using this engine? Haifeng Machinery can help with sizing, alternator selection, controller, enclosure, voltage, and compliance support.
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