Known as CCEC, China Chongqing Cummins offers products applicable to a wide range of power units. These include heavy-duty vehicles, construction machinery, mining machinery, petroleum machinery, railway machinery, port machinery, fixed and mobile diesel generator sets, marine propulsion power units, auxiliary power units, and pump power units.

The company’s core products comply with China’s national standards for non-road diesel engine emission requirements, specifically meeting Phase 2 and Phase 3 standards. Among its product lineup, the Cummins QSK38-C1086 is a model designed and manufactured by Chongqing Cummins. The company primarily produces diesel engine series such as M11, NT/QSN, K19/QSK19, K38/QSK38, and K50/QSK50, with a power output range spanning from 138kW to 1865kW.

Developed and engineered based on advanced heavy-duty engine technology concepts, these diesel engines boast numerous advantages. They feature high reliability, excellent durability, superior fuel efficiency, compact size, high power output, large torque, substantial torque reserve, and strong commonality of parts.

The core diesel engine products of Chongqing Cummins adhere to multiple sets of standards. Specifically, they meet the Stage II and Stage III requirements for on-road diesel engines (corresponding to Euro 2 and Euro 3) specified in Chinese national standards, U.S. standards, and European standards. Additionally, they comply with the Tier 1 and Tier 2 alignment requirements for non-road diesel engines.

These engines cover a power range of 145kW to 1343kW, with an annual production capacity of 15,000 units. Their applications span a wide array of power units, including heavy-duty vehicles, large buses, construction machinery, mining machinery, petroleum machinery, railway machinery, port machinery, fixed and mobile diesel generator sets, marine propulsion power units, auxiliary power units, and pump power units.

Brief introduction of cummins KTA19-C525 diesel Engine

The Cummins KTA19-C525 is a high-performance diesel engine specifically engineered for the demanding needs of construction machinery, proudly manufactured in China by Chongqing Cummins — a key joint venture that combines Cummins’ global advanced engine technology with localized production expertise. As a flagship model within the renowned Cummins KTA19 series, this engine stands out for its exceptional power output and reliability, making it a preferred choice for heavy-duty equipment operating in harsh construction, mining, and infrastructure environments.

At the core of the KTA19-C525’s performance is its robust power delivery, with a rated horsepower of 525 HP (approximately 391 kW) — a specification that positions it perfectly within the KTA19 series’ overall power range of 450 HP to 700 HP. This power output is optimized for heavy-load operations, ensuring that machinery equipped with the KTA19-C525 can tackle high-intensity tasks such as earthmoving, lifting, and material handling with consistent efficiency. Unlike smaller engines that may struggle with prolonged heavy use, the KTA19-C525 is built with a durable, heavy-duty engine block and precision-machined components, including a reinforced crankshaft and high-pressure fuel injection system, which work together to minimize wear and tear even under continuous operation.

 KTA19-C525 Ratings

KTA19-C525 Specifications

KTA19-C525 diesel Engine features And Benefits.

Excellent Performance

An efficient Cummins exhaust gas turbocharger ensures more sufficient air intake to improve engine efficiency. The pressure-type pulse exhaust pipe makes full use of exhaust energy to further optimize combustion, enhance engine efficiency under low load, and reduce the engine's specific fuel consumption.

It features high torque, strong power, fast transient response, and high torque reserve.

High Reliability

Equipped with Cummins' advanced PT fuel system, it has unique overspeed protection, low-pressure fuel supply, fewer pipelines, and a low failure rate. Benefiting from its outstanding overall design, the engine boasts excellent reliability.

Good Durability

The cylinder block and cylinder head adopt a high-strength integrated design, which reduces failure rates, ensures long service life, and enjoys an excellent reputation for durability.

Convenient Maintenance

With an overall modular design, it realizes block integration, featuring a compact structure. Parts can be disassembled and have high reusability. The same-platform design ensures high part commonality.

Strong Adaptability

It has a wide adaptability to different fuel qualities and excellent ability to adapt to various environments.