The Cummins NTA855-M400 is a high-performance diesel engine manufactured by Cummins Inc. It is part of the NTA855 series, which has a long-standing reputation for its durability, reliability, and versatility. The “M400” designation indicates that this particular model has a power output of 400 horsepower.

Here are some key features and specifications of the Cummins NTA855-M400:

1. Displacement: The engine has a displacement of 14.0 liters (855 cubic inches), which refers to the total volume of air and fuel mixture that can be accommodated within its cylinders.

2. Configuration: The NTA855-M400 is an inline six-cylinder engine, meaning it has six cylinders arranged in a single row.

3. Power Output: It generates a maximum power output of 400 horsepower, making it suitable for a variety of applications such as industrial machinery, marine propulsion, and power generation.

4. Turbocharged and Aftercooled: The engine features a turbocharger, which helps to increase its power and efficiency by forcing more air into the cylinders. It is also equipped with an aftercooler, which cools down the compressed air before it enters the engine, improving combustion and performance.

5. Fuel System: The NTA855-M400 utilizes a mechanical fuel system, where fuel is delivered to the cylinders through a series of injectors. This system is known for its reliability and simplicity.

6. Cooling System: The engine incorporates a liquid cooling system to maintain optimal operating temperatures. It uses a radiator and a coolant circulation system to dissipate heat generated during combustion.

7. Heavy-Duty Construction: The NTA855-M400 is designed to withstand demanding operating conditions and has a robust construction. It features a cast-iron cylinder block and cylinder heads, ensuring durability and longevity.

8. Electronic Control System: This engine model may have an optional electronic control system, which provides enhanced monitoring and control of various engine parameters, optimizing performance and fuel efficiency.

Overall, the Cummins NTA855-M400 is a powerful and reliable diesel engine suitable for a wide range of applications, particularly in industrial, marine, and power generation settings.

Cummins NTA855-M400 Marine Propulsion Engine

The above is general technicial information of Cummins NTA855-M400 Marine Propulsion Engine. It is also for us to supply the Cummins  NTA855-M400 genuine parts and marine engine units with gearbox.