Dongfeng Cummins

Dongfeng Cummins Engine Co., Ltd., a joint venture between Dongfeng Motor Corporation and Cummins Inc., specializes in the manufacturing of diesel engines. Our main products include Cummins B, C, and L series mechanical and ISDe, ISLe, ISZ series fully electronic control diesel engines, as well as B series natural gas engines. Engine displacements range from 3.9L to 13L, with power ratings from 125 to 545HP. Our products comply with national emission standards II, III, and IV and are widely used in light, medium, and heavy-duty trucks, buses, large and medium-sized public transport buses, construction machinery, marine main and auxiliary engines, and power generation sets.

The C series Cummins generator sets produced by Yangzhou Kangchai Power Technology Co., Ltd. feature fast transient response, advanced economy, power, and reliability, and have a long service life. Cummins generator sets are favored by industry users for their high economy and safety.

Cummins Introduction

Dongfeng Cummins Engine Co., Ltd. (hereinafter referred to as "Dongfeng Cummins" or "the Company") is located in the High-Tech Industrial Development Zone of Xiangyang City, Hubei Province. It is a modern medium and heavy-duty engine manufacturing company jointly established by Dongfeng Motor Co., Ltd. and Cummins Inc. with a 50:50 equity ratio. The company was established in June 1996, has a registered capital exceeding 100 million USD, covers a total area of 26.23 hectares, and currently employs 2,500 people.

Our products include Cummins engines for B, C, D, L, and Z series platforms, meeting China's National IV, V vehicle emissions standards and non-road National III standards, with the capability to upgrade to National VI vehicle and National IV non-road emissions standards. Engine displacements range from 3.9L to 13L, with power ratings from 80 to 680 horsepower. They are widely used in light, medium, and heavy-duty trucks, intercity buses, large and medium-sized public buses, construction machinery, marine main and auxiliary engines, and generator sets. Our products have received universal praise from domestic and international customers for their advanced economy, power, reliability, durability, and environmental safety. Cummins Inc. is one of the world's largest companies in the production, design, and sales of diesel and compressed natural gas engines. Dongfeng Motor Corporation is one of China's largest truck manufacturers. Dongfeng Cummins, leveraging the strong support of Cummins' global production system in product development, manufacturing, quality, and management, continuously enhances the competitiveness of the company and its products, providing customers with high-quality engines.

Cummins Engine Series

B Series Engine Product Performance Features

● Advanced design and exquisite manufacturing, capable of withstanding rigorous working conditions and heavy-duty operations.

Horssett Exhaust Bypass Valve - Improved Dynamism

● Integrated design with cylinders and cylinder heads featuring "one part, multiple functions," reducing fasteners, with 40% fewer parts than similar engines, significantly lowering failure rates.

● Exceptional Reliability - Utilizing forged steel camshafts and crankshafts, high-strength cylinder block design, with many parts cast directly into the cylinder block for enhanced rigidity and high-pressure resistance, leading to a longer service life.

● Platform pattern honing design cylinder liners effectively prevent oil leakage with geometric construction

● High-pressure fuel pump with lower fuel consumption and effective noise reduction

Product Performance Features of C Series Engines

● Design & Manufacturing: Advanced design, exquisite manufacturing techniques, reliable and durable

● Bosch Inline Fuel Pumps - More complete combustion at high injection pressures, less energy loss, stronger power output, and stronger fuel adaptability

● Holset Turbocharger with integrated exhaust bypass valve, low-speed response and strong power performance

Integrated design, with nearly 25% fewer parts than similar products, lower failure rates, and easier maintenance.

● Exceptional Reliability - Cylinder sleeves feature platform pattern honing design and corrosion-resistant high-nickel cast iron pistons, significantly reducing oil consumption and enhancing durability for a longer service life.

L Series Engine Product Performance Features

● Extended Stroke - More complete expansion of the combustion gases, enhancing effective power output, and ensuring low fuel consumption under strong power.

● Advanced 4-valve structure - More power, more complete air combustion, lower fuel consumption; also increases low-speed torque, excellent performance, and high work efficiency.

● With forced cooling and articulated piston design, capable of withstanding high mechanical and thermal loads, excellent strength

● Enhanced cylinder design - Low noise, minimal vibration

● Central arrangement of injectors and symmetrical combustion chambers for more even cylinder mixture and more complete combustion

Advanced design with a power density of up to 30.0kW/L, the machine has a rational structure and is easier to maintain.

QSZ series engine product performance features

●Exceptional power performance - Maximum output power up to 500Kw, and maximum output torque of 2990N.m, ensuring abundant power in all operating conditions.

●Low Fuel Consumption: Utilizing Cummins XPI high-pressure common rail fuel injection system and CTT high-flow turbocharger, combined with Cummins' advanced power cylinder design and electronic control system, significantly reduces fuel consumption, ensuring excellent fuel economy in various operating conditions and applications.

● Exceptional Reliability - Engineered with advanced technology and analytical tools, designed based on the usage conditions of Chinese customers. Supported by powerful sensors and electronic control systems, the engine boasts enhanced high-altitude operation capabilities, low-temperature operation, and continuous operation under heavy load. The engine operates smoothly from -40 to 60 degrees Celsius and at an altitude of 5200 meters.

●Excellent suitability - High weight power density and lift power density facilitate installation and transportation for users, as well as ease of maintenance and repair.

● Lower Emissions - Utilizes in-vehicle purification solutions to meet the needs of locations with stricter emissions requirements, such as schools.