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KT19-C450
Cummins

The Cummins KT19-C450 is a robust 450-horsepower diesel engine built for extreme-duty cycles and harsh operating environments. As part of the renowned K19 series from Chongqing Cummins (CCEC), a Cummins USA joint venture, this 18.9-liter engine is engineered to deliver exceptional low-speed torque and superior durability for a wide range of industrial and mobile equipment. It is a reliable power solution designed to maximize uptime and productivity in sectors where performance and dependability are critical.
The KT19-C450 is engineered to be the prime mover for a wide array of heavy machinery across multiple industries. Its primary applications include:
Construction & Heavy Machinery: Widely used in excavators, loaders, cranes, rollers, bulldozers, graders, pavers, and concrete mixers.
Mining & Quarrying: A proven power source for mining dump trucks and other material handling equipment in demanding extraction environments.
Specialized & Vocational Trucks: Fitted to heavy-duty trucks, tractors, and specialized vehicles for sectors like defense, oil and gas, and rail.
Industrial Power Units: Often configured as a complete power pack for driving generators, high-capacity water pumps, and other stationary industrial equipment.
1. Proven Cummins PT Fuel System
This engine utilizes the mechanically governed, high-pressure Cummins PT (Pressure-Time) fuel system. Known for its simplicity and reliability, this system provides precise fuel delivery for excellent throttle response and high injection pressure, ensuring optimal combustion and fuel atomization even under heavy loads.
2. Robust Design for Maximum Durability
The KT19-C450 is built for longevity in severe conditions. It features an integrated design for the cylinder block and head, which significantly reduces potential leaks and failure points compared to traditional designs. The use of high-strength components like forged steel camshafts and crankshafts, along with a high-rigidity cylinder block, ensures the engine can withstand continuous high-pressure operation and offers an extended service life.
3. High Torque at Low RPM
Engineered to deliver strong pulling power, the KT19-C450 generates its massive peak torque of 1907 N.m at a low 1300 RPM. This characteristic provides exceptional lugging ability, making it ideal for equipment that needs to move heavy loads, climb gradients, or operate at slow speeds without stalling.
4. Flexible Power Pack Integration
The engine is designed for easy integration into complete systems. Suppliers offer tailored industrial power pack solutions, where the engine is pre-integrated with air intake and exhaust systems, cooling modules, control panels, and necessary accessories. This allows for simplified installation and optimized performance in custom applications, from generator sets to specialized pump units.

The Cummins KT19-C450 is a robust 450-horsepower diesel engine built for extreme-duty cycles and harsh operating environments. As part of the renowned K19 series from Chongqing Cummins (CCEC), a Cummins USA joint venture, this 18.9-liter engine is engineered to deliver exceptional low-speed torque and superior durability for a wide range of industrial and mobile equipment. It is a reliable power solution designed to maximize uptime and productivity in sectors where performance and dependability are critical.
The KT19-C450 is engineered to be the prime mover for a wide array of heavy machinery across multiple industries. Its primary applications include:
Construction & Heavy Machinery: Widely used in excavators, loaders, cranes, rollers, bulldozers, graders, pavers, and concrete mixers.
Mining & Quarrying: A proven power source for mining dump trucks and other material handling equipment in demanding extraction environments.
Specialized & Vocational Trucks: Fitted to heavy-duty trucks, tractors, and specialized vehicles for sectors like defense, oil and gas, and rail.
Industrial Power Units: Often configured as a complete power pack for driving generators, high-capacity water pumps, and other stationary industrial equipment.
1. Proven Cummins PT Fuel System
This engine utilizes the mechanically governed, high-pressure Cummins PT (Pressure-Time) fuel system. Known for its simplicity and reliability, this system provides precise fuel delivery for excellent throttle response and high injection pressure, ensuring optimal combustion and fuel atomization even under heavy loads.
2. Robust Design for Maximum Durability
The KT19-C450 is built for longevity in severe conditions. It features an integrated design for the cylinder block and head, which significantly reduces potential leaks and failure points compared to traditional designs. The use of high-strength components like forged steel camshafts and crankshafts, along with a high-rigidity cylinder block, ensures the engine can withstand continuous high-pressure operation and offers an extended service life.
3. High Torque at Low RPM
Engineered to deliver strong pulling power, the KT19-C450 generates its massive peak torque of 1907 N.m at a low 1300 RPM. This characteristic provides exceptional lugging ability, making it ideal for equipment that needs to move heavy loads, climb gradients, or operate at slow speeds without stalling.
4. Flexible Power Pack Integration
The engine is designed for easy integration into complete systems. Suppliers offer tailored industrial power pack solutions, where the engine is pre-integrated with air intake and exhaust systems, cooling modules, control panels, and necessary accessories. This allows for simplified installation and optimized performance in custom applications, from generator sets to specialized pump units.
