Doosan Excavator has Improved Fuel Efficiency


Doosan also added a mass airflow (MAF) sensor and exhaust brake to the engine to help meet Tier 4 emission standards. The mass airflow sensor allows the DOOSAN400X
electronic control unit (ECU) to improve the management of airflow provided by the variable geometry turbocharger (VGT), and to optimize fuel delivery to the combustion chamber based on air intake volume and rpm. The VGT is utilized to enhance boost pressure throughout a wide rpm range of the engine, resulting in improved fuel efficiency at lower rpms. This also generates higher torque levels and faster engine response even at low rpm, and improves machine performance in the Standard and Economy power modes while saving fuel. Doosan Infracore Co.,

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