OEM Cummins NTA855-DM diesel engine | Tonkee®

One of the key features of the NTA855-DM is its robust design, which enables it to withstand harsh operating conditions and deliver consistent power output.

The engine is equipped with a heavy-duty cast-iron block that provides excellent strength and durability. It also features a large displacement of 14 liters, allowing it to generate substantial torque and horsepower.

The NTA855-DM is a six-cylinder, turbocharged and aftercooled engine. The turbocharging system helps to increase the engine's power density by compressing the incoming air, while the aftercooling system cools down the compressed air before it enters the combustion chamber. This combination improves overall engine efficiency and performance.

In terms of power output, the NTA855-DM offers a wide range of horsepower options, typically ranging from 250 to 400 horsepower (186 to 298 kilowatts). The engine's torque rating varies based on the specific application and configuration, but it generally falls within the range of 1150 to 1500 lb-ft (1559 to 2034 Nm). These power characteristics make the NTA855-DM suitable for a diverse range of heavy-duty applications, from hauling heavy loads to powering industrial machinery.

The NTA855-DM incorporates advanced fuel system technology to enhance fuel efficiency and reduce emissions.

It features a high-pressure fuel injection system, which ensures precise fuel delivery and combustion control, resulting in optimized performance and reduced fuel consumption. The engine also meets various emission standards, such as EPA Tier 3 and IMO Tier II, making it compliant with environmental regulations.

Maintenance and serviceability are crucial aspects of any engine, and the NTA855-DM excels in this regard. Cummins has designed the engine with ease of maintenance in mind, incorporating features such as accessible service points, straightforward diagnostics, and a modular design that simplifies repairs and reduces downtime. This engine has a reputation for its longevity and durability, with many units operating reliably for thousands of hours with proper maintenance.

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