Dongfeng Cummins EQB210-20 Engine Specifications Overview

November 05, 2024

Technical Overview of the EQB210-20 Automotive Engine

The EQB210-20 engine represents a significant advancement in automotive engineering, particularly in the realm of diesel engines. Below is a detailed examination of its specifications and features.

Engine Specifications

Model: EQB210-20
Manufacturer: Dongfeng Cummins
Inspection Report Number: QC03053ED4011/QC05061QD0661
Technology Source: Introduced models from Cummins
Emission Standards: Complies with GB17691-2001/GB3847-2005
Fuel Type: Diesel
Ignition Method: Compression ignition

Engine Design and Structure

Oil Supply System: Utilizes a dispensing pump for efficient oil distribution.
Intake Method: Features a booster system to enhance air intake.
Cooling System: Employs liquid cooling to maintain optimal operating temperatures.
Combustion Chamber Structure: Designed with direct injection to improve efficiency and performance.
Cylinder Configuration: Inline arrangement with six cylinders.
Firing Order: The firing sequence is 1-5-3-6-2-4, optimizing engine balance and performance.

Dimensions and Performance

Cylinder Center Distance: 120 mm
Cylinders: Six in total
Intake and Exhaust Valves: One valve for both intake and exhaust per cylinder.
Displacement: 5.9 liters
Compression Ratio: 17.3:1
Bore Diameter: 102 mm
Stroke Length: 120 mm

Power and Torque

Rated Power: 155 kW at 2500 rpm
Torque: Maximum torque of 700 Nm at 1500 rpm
Idling Speed: Ranges from 650 to 850 rpm
Oil Supply per Stroke: 95 mm at rated power, increasing to 101 mm at maximum torque speed.

Pressure and Efficiency

Intake Resistance: Maximum intake resistance measured at 3.7 kPa under rated speed and full load.
Exhaust Back Pressure: Maximum exhaust back pressure is 10 kPa under similar conditions.

Auxiliary Power and Components

Accessory Power Absorption: The engine allows for a maximum of 3 kW to be absorbed by accessories.
Turbocharger: Equipped with an HX35W model from Wuxi Holset Engineering Co., Ltd.
Fuel Injection System: Utilizes a VE R929-4 fuel injection pump from Bosch Automotive Components (Suzhou) Co., Ltd.
Injector Model: KDAL 59P6 from Wuxi Eurasian Diesel Injection Co., Ltd.

Conclusion

The EQB210-20 engine is designed for robust performance and efficiency, making it suitable for a variety of automotive applications. Its innovative features and compliance with stringent emission standards position it as a reliable choice in the diesel engine market. With its powerful specifications and advanced technology, the EQB210-20 is poised to meet the demands of modern automotive engineering.

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