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Cummins 6BTAA5.9-G2

B5.9 Series

In Production

The Cummins 6BTAA5.9-G2 is a 5.9-litre inline-6 diesel engine for generator sets, rated at 169 kVA / 135 kWe standby power at 1,500 RPM (50 Hz). It is a liquid-cooled engine built in China.

Overhaul & repair parts
Supporting documents
1 document · 1 datasheet
Last updated
2026-05-29
Package route
diesel generator sets
Standby Power · 50 Hz
169 kVA
Electrical Output
135 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

kWmkWekVA
Prime Power120108135
Standby Power150135168.8

60 Hz1800 RPM

kWmkWekVA
Prime Power128.9116145
Standby Power161.1145181.3

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Cummins 6BTAA5.9-G2 5.9L L6 diesel generator engine — 169 kVA standby specifications

Cummins 6BTAA5.9-G2 generator set context

The Cummins 6BTAA5.9-G2 is listed here as a diesel generator-drive engine for 50 Hz and 60 Hz generator sets, with a headline 169 kVA / 135 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

6btaa59g26BTAA5.9 G2Cummins 6BTAA5.9-G2B5.9 Series 6BTAA5.9-G2

Technical Specifications

BrandCummins
Model6BTAA5.9-G2
SeriesB5.9 Series
ConfigurationL6
Cylinders6
Displacement5.9 L
Fuel TypeDiesel
Ignition TypeCompression Ignition
Cooling MethodLiquid-Cooled
Emissions StandardUnregulated
Country of OriginChina

Frequently asked questions

What is the power output of the Cummins 6BTAA5.9-G2?

The Cummins 6BTAA5.9-G2 is rated at 169 kVA standby / 135 kVA prime at 50 Hz (1,500 rpm); and 181 kVA standby / 145 kVA prime at 60 Hz (1,800 rpm).

Does the 6BTAA5.9-G2 run at 50 Hz or 60 Hz?

The Cummins 6BTAA5.9-G2 is available for both 50 Hz (1,500 rpm) and 60 Hz (1,800 rpm).

What fuel does the Cummins 6BTAA5.9-G2 use?

The Cummins 6BTAA5.9-G2 is a diesel generator-set engine.

What is the displacement and cylinder configuration of the 6BTAA5.9-G2?

The Cummins 6BTAA5.9-G2 is an inline-6 (6-cylinder) engine with a displacement of 5.9 L.

What is the catalog status of the Cummins 6BTAA5.9-G2?

The Cummins 6BTAA5.9-G2 is marked active in this database. Confirm current production and availability with the manufacturer; catalog status is not a live supply check.

Are reference documents available for the 6BTAA5.9-G2?

This page links reference documents for the Cummins 6BTAA5.9-G2. Check each document's title, model coverage, revision and rating conditions before using it for selection.

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