The 17th China (Beijing) International Construction Machinery Exhibition (BICES 2025) has grandly opened at the China International Exhibition Center (Shunyi Pavilion)! This exhibition brings together over 1,400 domestic and international companies, showcasing the innovative achievements of the construction machinery industry, striving for excellence, advancement in intelligence, and green development.
Dongfeng Cummins will exhibit its proven B5.9 engine, showcasing its superior performance and reliable quality.
Cummins DCEC B5.9 Engine
Core Advantages, Demonstrating Superior Performance
As a purpose-built engine for the construction machinery industry, the Cummins B5.9 boasts powerful performance, reaching a maximum power of 240 horsepower. It also utilizes EGR technology to effectively reduce nitrogen oxide emissions, eliminating the need for urea after-treatment systems. This reduces operating costs and reduces maintenance, truly offering peace of mind and effort.
Energy-saving pioneer
Savings are profits
Upgraded fuel system, injection pressure reaches 2000 bar
Improved fuel atomization for more complete combustion
New turbine flow path design and optimized blade machining profile
Optimized turbine diffuser design
Significantly improved turbocharger efficiency
Powerful power
Easily handles heavy loads
Horsepower range: 130-240 PS, maximum torque: 900 Nm
Excellent low-speed torque: 710 Nm at 1000 rpm
Quick response, powerful explosive power
Easily handles diverse operating conditions such as excavators, drilling rigs, cranes, air compressors, road rollers, agricultural machinery, and sanitation equipment
Intelligent control
Precision Accurately measure every drop of fuel
Exclusive Leakless pressure-maintaining technology for superior starting performance
Closed-loop control system corrects injection deviations in real time
Maintains high-precision injection and continuously optimizes fuel efficiency
Environmentally friendly and a top choice for green construction
EGR technology meets the latest emission standards
A balancing valve system improves turbine efficiency without losing exhaust gas energy
Contributes to “zero-carbon construction” and builds a green future
Economical and practical
Lower lifecycle costs
Modular design reduces maintenance costs
Lightweight design facilitates installation
Provides greater power for equipment at the same weight
Enhanced equipment efficiency
Star product
Market-proven
The Dongfeng Cummins B5.9 engine is a truly “star product.” Since its launch, it has undergone technological leaps from mechanical to electronic control, and from China II to China IV emissions standards. With over two decades of technical accumulation and market validation, it has not only continuously upgraded its technology but also earned an excellent reputation for reliability, economy, and adaptability, becoming the trusted powertrain of choice for many OEMs and end users.
