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China New D7E Machinery Engine for Volvo EC290B Excavator

China New D7E Machinery Engine for Volvo EC290B Excavator

China New D7E Machinery Engine for Volvo EC290B ExcavatorTechnical Overview of China's New D7E Engine for EC290B ExcavatorThe D7E engine, developed for the EC290B excavator, represents a significant a

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Product Detail

China New D7E Machinery Engine for Volvo EC290B Excavator

Technical Overview of China's New D7E Engine for EC290B Excavator

The D7E engine, developed for the EC290B excavator, represents a significant advancement in heavy-duty powertrain technology, combining robust performance with enhanced efficiency and emission compliance. Built on a 6-cylinder, turbocharged intercooled architecture, the engine delivers a rated power output of 210 kW (282 HP) at 1,900 rpm, paired with a peak torque of 1,250 Nm at 1,500 rpm, optimized for demanding excavation and earthmoving operations.

Utilizing a high-pressure common-rail fuel injection system, the D7E ensures precise fuel delivery and combustion control, reducing particulate emissions while improving fuel economy by up to 8% compared to previous models. The engine complies with China National Stage III (equivalent to EU Stage IIIA) emission standards, integrating a diesel oxidation catalyst (DOC) and selective catalytic reduction (SCR) system to minimize NOx and PM emissions.

Advanced thermal management is achieved through an intelligent cooling system with variable-speed fans and optimized airflow routing, maintaining optimal operating temperatures under varying loads. The engine’s reinforced cast-iron block and forged steel crankshaft enhance durability, while low-friction coatings on piston rings and cylinder liners extend service intervals.

Integrated electronic control modules (ECM) enable real-time diagnostics and adaptive performance tuning, ensuring compatibility with the EC290B’s hydraulic systems for seamless power distribution. Additionally, the D7E features noise-reduction technologies, including encapsulated components and dampened vibration mounts, aligning with modern operator comfort requirements.

This engine exemplifies a balance of power, efficiency, and environmental stewardship, tailored for high-productivity construction applications.

Founded in 2009, Based on more than 15 years of endeavor and experience, we can supply a quality-trusted full range of machinery engines for KUBOTA/ Yanmar/Perkins-Caterpillar/ Cummins-Komatsu /Isuzu/ Mitsubishi/Volvo Penta/ Benz / Deutz brands. And characteristic business of agricultural KUBOTA /Bobcat tractor and harvester machinery engines and all series parts. Otherwise our company main provides 100-800 tons HITACHI/CATERPILLAR/KOMATSU mining machinery parts such as hydraulic systems assembly hydraulic main pump/travel motor final drive/reduction gearbox/MCV main valve, timely develops cost-effective OEM or high-quality aftermarket products, providing a full range of aftermarket services for global customers.