Chongqing Cummins

Cummins engines mark the beginning of Cummins' localization in China, representing the company's larger heavy-duty and high-horsepower engines here. Chongqing Cummins specializes in N, K, M, and QSK series diesel engines, with power ratings ranging from 200HP to 1600HP. These products are primarily used in heavy-duty vehicles, large buses, construction machinery, mining equipment, oilfield equipment, track machinery, port equipment, fixed and mobile diesel generator sets, ship propulsion and auxiliary power units, pump power units, and other power units.
The C series Cummins generators produced by Yangzhou Kangchai Power Technology Co., Ltd. boast features such as rapid transient response, advanced economy, power, and reliability, as well as a long service life. The high economy and safety of Cummins generators are greatly favored by industry users.

Cummins Introduction

Chongqing Cummins Engine Co., Ltd. is a Sino-American joint venture established in October 1995, located in the Martyrs' Mausoleum, Shapingba District, Chongqing. The parent company in China is Chongqing Electric Machinery Co., Ltd., while the foreign parent company is Cummins (China) Investment Co., Ltd. Both parties hold a 50% investment ratio. The company currently employs over 1,400 people. Chongqing Cummins was previously known as the Chongqing Automotive Engine Factory, which has been designing and manufacturing diesel engines since the 1950s.

N, K series engines, the company has been recognized as one of the top 50 industrial enterprises in Chongqing for 15 consecutive years and has received the title of "Foreign-Invested Enterprise in Chongqing" for 6 consecutive years.

Technical Advantages:

The Chongqing Cummins diesel engine is developed and designed based on advanced heavy-duty engine technology concepts, featuring high reliability, excellent durability, good fuel economy, compact size, high power, high torque, ample torque reserve, and strong component interchangeability.

Our product technology, manufacturing technology, and application technology are developed in sync with Cummins Inc. in the U.S., and we also develop and manufacture products with characteristics tailored to the Chinese market, emphasizing performance, economy, reliability, durability, safety, and environmental protection.

N Series Engine Product Performance Features

• Strong power

Power range covers 185-545 horsepower, with a maximum torque of 1763 Nm.

Low fuel consumption, good economy.

Cummins Fuel System, ultra-high injection pressure ensures excellent atomization and complete combustion for the engine.

• Compact structure, easy maintenance

Interchangeable wet cylinder liners with excellent heat dissipation and easy replacement.

All models share strong component versatility and high serialization, making repairs convenient.

Advanced design, reliable performance

Cylinder: Made of high-strength alloy cast iron, offering excellent rigidity, low vibration, and minimal noise.

• Mature products, globally renowned

High Reputation: As one of the main models in the Cummins family, the N Series engines have earned high recognition from customers across various fields with their strong power, low fuel consumption, high reliability, and low maintenance costs.

Technical Upgrade: The BCIII design of the large camshaft, air-to-air cooling, and soft start technologies further enhance the engine's reliability, power, fuel efficiency, and emissions. The jointly developed electronic fuel injection technology with Cummins will further strengthen the N series engine's position in the high-horsepower engine manufacturing industry in China.

K19 Series Engine Product Performance Features

• Strong power

Power range covers 450-890 horsepower, with a maximum torque of 2586 Nm.

Low fuel consumption, good economy

High-efficiency Holset exhaust turbochargers ensure more complete intake, enhance engine efficiency, further improve combustion, and reduce engine fuel consumption rate.

• Compact structure, easy maintenance

The cylinder block and cylinder head both feature an internal pressure lubrication channel, ensuring a compact structure and low failure rate.

• Advanced design, reliable performance

Cylinder Head: Four-valve design per cylinder, optimized air/fuel mixture ratio, effectively improves combustion and emissions; one cover per cylinder, easy for maintenance.

Piston: Utilizing advanced aluminum alloy casting technology, the ω-shaped head and barrel-shaped skirt design can compensate for thermal expansion and contraction, ensuring a good fit.

• Mature products, globally renowned

Widely Applied: Since Cummins entered China in 1975, the K19 engine series has been extensively used in construction machinery, heavy vehicles, power generation, and marine power, among other fields; formed strategic partnerships with key clients.

M11 series engine product performance features

Advanced technology, world-class quality

Cummins USA technology, widely used in heavy trucks in North America and Europe.

• Powerful and eco-friendly

High-displacement: Meets heavy-duty truck power requirements while ensuring the engine has higher reliability, durability, and safety.

High Power: Up to 420 horsepower for modern logistics' demands of speed, efficiency, and safety.

Low fuel consumption, good fuel economy

Air-cooled technology ensures more thorough intake and better fuel economy.

• Compact structure, easy maintenance

All models have strong general applicability, high serialization, and are easy to maintain.

Advanced design, reliable performance

Cylinder: Made of high-strength alloy cast iron, featuring good rigidity, low vibration, and low noise.

Camshaft: A single camshaft design controls valve and fuel injection timing, with optimized cam profiles reducing shock forces for enhanced reliability and durability.

• Mature products, renowned worldwide

High Reputation: As one of the main models in the Cummins family, the M11 engine has earned high recognition from customers across various fields with its strong power, low fuel consumption, high reliability, and low maintenance costs.

K38 Series Engine Product Performance Features

• Powerful drive

Power range covers 750-1600 horsepower, with a maximum torque of 5469 Nm.

Low fuel consumption, good fuel economy

High-efficiency Holset exhaust turbochargers ensure more complete intake, enhance engine efficiency, further improve combustion, and reduce engine fuel consumption per unit of power.

• Compact structure, easy maintenance

Replaceable wet cylinder liners, excellent heat dissipation, easy to replace.

All models have strong component universality, high series level, and easy maintenance.

Cylinder blocks and cylinder heads feature internal pressure oil galleries, ensuring a compact structure with low failure rates.

• Advanced design, reliable performance

Crankshaft: Dual camshaft design for controlling valve and fuel injection timing, optimized cam profiles reduce shock forces, enhancing reliability and durability.

Crankshaft: An integral crankshaft made of high-strength forged steel, with induction hardening on the fillet and shaft journal, ensuring higher fatigue strength.

• Professional configuration, superior quality

Lubrication System: All moving parts are under forced lubrication; a high-capacity gear pump supplies pressure-lubricated oil to lubricate and cool the piston; oil cooler, full-flow filter, and bypass filter maintain optimal oil condition.

Fuel System: Cummins exclusive oil system, optimized combustion, powerful performance; STC timing system ensures better combustion under all operating conditions; features a low-pressure fuel supply system with a one-way fuel loop for safety and reliability.

• Mature products, renowned worldwide

Technical Upgrade: Advanced technologies such as air-to-air cooling and soft start further enhance the engine's reliability, power performance, fuel efficiency, and emissions. The QSK38 engine launched in 2008 features electronic fuel injection technology, boasting power outputs of 806-1200kW, and meets the third-stage emissions standards for off-road mobile machinery. This further solidifies CCEC's position in the high-horsepower engine manufacturing industry in China.