Comprehensive Overview of the L300 20 Engine Specifications

The L300 20 engine represents a notable achievement in automotive engineering, characterized by its robust design and advanced features. Below is a detailed breakdown of its technical specifications and functionalities.

Engine Model

• Model Name: L300 20

Engine Identification

• Manufacturer: Dongfeng Cummins
• Inspection Report Number: QC06051QD2051/QC06061QD2051
• Technology Source: Introduced models (Cummins)

Emission Standards

• Emission Level: Compliant with GB17691-2001/GB3847-2005

Fuel Specifications

• Fuel Type: Diesel
• Ignition Method: Compression ignition

Engine Characteristics

• Oil Supply Method: In-line pump
• Intake Method: Turbocharged with booster
• Cooling Method: Liquid cooling

Combustion and Structure

• Combustion Chamber Structure: Direct injection
• Cylinder Arrangement: Inline
• Number of Cylinders: 6
• Firing Order: 1-5-3-6-2-4
• Cylinder Center Distance: 137 mm
• Intake Valves: 1 per cylinder
• Exhaust Valves: 1 per cylinder

Dimensions and Performance

• Displacement: 8.9 L
• Compression Ratio: 16.6
• Bore Diameter: 114 mm
• Stroke Length: 145 mm

Power Output

• Rated Power: 221 kW at 2200 rpm
• Torque: 1180 Nm at 1300 to 1500 rpm

Additional Specifications

• Idling Speed: 600-800 rpm
• Maximum Intake Resistance: 3.7 kPa (rated speed, 100% load)
• Maximum Exhaust Back Pressure: 10 kPa (rated speed, 100% load)
• Maximum Power Absorption for Accessories: 3.5 kW

Oil Supply and Injection Systems

• Oil Supply per Stroke at Maximum Torque Speed: 161 mm
• Turbocharger Model: HX40W from Wuxi Holset Engineering Co., Ltd.
• Fuel Injection Pump Model: BHF6P120005 from Wuxi Weifu High-tech Co., Ltd.
• Injector Model: KBEL-P052 from Wuxi Eurasian Diesel Injection Co., Ltd.

Control Systems

• Engine ECU - Software: Specific models and manufacturers not detailed.
• Engine ECU - Hardware: Specific models and manufacturers not detailed.

The L300 20 engine is engineered to deliver high performance while adhering to stringent emission standards, making it suitable for various automotive applications. Its design integrates advanced technologies that enhance efficiency, power output, and reliability, ensuring that it meets the demands of modern driving conditions.