?> Cummins 4BTA3.9-G2 Engine Performance Data

Cummins 4BTA3.9-G2 Engine Performance Data

2026-08-24cummins-4bta3-9-g2-engine-performance-data-18-2.pdf

Cummins 4BTA3.9-G2 engine performance data with 58kW prime power at 1500RPM, suitable for diesel generator sets up to 50kW.

Dongfeng Cummins 4BTA3.9-G2 Diesel Engine

The Dongfeng Cummins 4BTA3.9-G2 is a 3.9-litre four-cylinder diesel engine designed for medium-power diesel generator sets. Its turbocharged and aftercooled configuration provides a compact and dependable solution for commercial, industrial and standby power applications.

According to the Cummins performance data, the engine delivers 58 kW prime power and 64 kW standby power at 1500 RPM, and 67 kW prime power and 74 kW standby power at 1800 RPM. It is available with FR92625 and FR92668 fuel rating configurations.

Key Technical Data

Engine Model 4BTA3.9-G2
Displacement 3.9 L
Cylinders 4
Aspiration Turbocharged & Aftercooled
Prime Power 58 kW / 78 HP @ 1500 RPM; 67 kW / 90 HP @ 1800 RPM
Standby Power 64 kW / 86 HP @ 1500 RPM; 74 kW / 99 HP @ 1800 RPM

Generator Set Application

The 4BTA3.9-G2 is suitable for diesel generator sets in the approximately 50–60 kW prime power range, depending on the selected alternator and final generator set configuration. It can be used for commercial buildings, construction sites, industrial facilities, remote locations and standby power systems.

Technical Datasheet

The downloadable technical datasheet provides the complete engine performance curves, fuel consumption data and detailed technical specifications for the 4BTA3.9-G2.

Curve & Datasheet: FR92625 / FR92668

Download Cummins 4BTA3.9-G2 Datasheet

Download the complete technical document for detailed engine performance and operating data.