Cummins
Cummins 6BTAA5.9-G12
B5.9 Series
The Cummins 6BTAA5.9-G12 is a 5.9-litre inline-6 diesel engine for generator sets, rated at 188 kVA / 150 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.
Chat on WhatsApp about this engine
Opens WhatsApp with Cummins 6BTAA5.9-G12 and this page link filled in.
- Manufacturer files
- 2 datasheets
- Last updated
- 2026-05-29
- Package route
- diesel generator sets
- Standby Power · 50 Hz
- 188 kVA
- Electrical Output
- 150 kWe
- Cylinders
- L6
- Displacement
- 5.9 L
- Rated Speed
- 1,500 / 1,800 RPM
Power Ratings
kWm = mechanical shaft power · kWe = electrical output · kVA = kWe ÷ 0.8 pf
50 Hz1500 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 133.3 | 120 | 150 |
| Standby Power | 166.7 | 150 | 187.5 |
60 Hz1800 RPM
| kWm | kWe | kVA | |
|---|---|---|---|
| Prime Power | 142.2 | 128 | 160 |
| Standby Power | 177.8 | 160 | 200 |
Cummins 6BTAA5.9-G12 generator set context
The Cummins 6BTAA5.9-G12 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 188 kVA / 150 kWe / 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 | 6BTAA5.9-G12 |
| Series | B5.9 Series |
| Configuration | L6 |
| Cylinders | 6 |
| Displacement | 5.9 L |
| Fuel Type | Diesel |
| Ignition Type | Compression Ignition |
| Cooling Method | Liquid-Cooled |
| Emissions Standard | Unregulated |
| Country of Origin | China |
Frequently asked questions
What is the power output of the Cummins 6BTAA5.9-G12?
The Cummins 6BTAA5.9-G12 is rated at 188 kVA standby / 150 kVA prime at 50 Hz (1,500 rpm); and 200 kVA standby / 160 kVA prime at 60 Hz (1,800 rpm).
Does the 6BTAA5.9-G12 run at 50 Hz or 60 Hz?
The Cummins 6BTAA5.9-G12 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).
What fuel does the Cummins 6BTAA5.9-G12 use?
The Cummins 6BTAA5.9-G12 is a diesel generator-set engine.
What is the displacement and cylinder configuration of the 6BTAA5.9-G12?
The Cummins 6BTAA5.9-G12 is an inline-6 (6-cylinder) engine with a displacement of 5.9 L.
Is the Cummins 6BTAA5.9-G12 still in production?
Yes — the Cummins 6BTAA5.9-G12 is a current production model.
Is a datasheet available for the 6BTAA5.9-G12?
Yes — an official Cummins datasheet for the Cummins 6BTAA5.9-G12 can be downloaded from this page.