The Cummins NTA855-M450 is a high-performance diesel engine manufactured by Cummins Inc. It belongs to the NTA855 series, which is renowned for its durability and reliability. Here are some key features and specifications of the NTA855-M450:
1. Power output: NTA855-M450 can generate a maximum power output of 450 horsepower (336 kW). This makes it suitable for various ships
2. Displacement: The engine has a displacement of 14.0 liters (855 cubic inches). This large displacement allows for greater torque and overall performance.
3. Fuel System: The NTA855-M450 features Cummins’ advanced fuel system, which includes a high-pressure fuel pump, injectors, and electronic controls. This system ensures efficient combustion and optimized fuel consumption.
4. Cooling System: The engine is equipped with a liquid cooling system that effectively regulates the operating temperature. This system includes a radiator, thermostat, water pump, and associated components.
5. Air Intake System: The NTA855-M450 utilizes a turbocharged and aftercooled air intake system. The turbocharger increases air density, resulting in improved engine performance, while the aftercooler cools down the compressed air, increasing its oxygen content for better combustion.
6. Electronic Controls: The engine is equipped with Cummins’ advanced electronic controls, which monitor and manage various engine parameters in real-time. These controls ensure precise fuel injection, optimal performance, and emissions compliance.
7. Heavy-Duty Design: The NTA855-M450 is built with a heavy-duty design to withstand demanding operating conditions. It features a robust engine block, forged steel crankshaft, and durable components to enhance longevity and reliability.
8. Emissions Compliance: The engine meets the relevant emission standards, such as EPA Tier 3 or Tier 4 (depending on the year of manufacture) and is designed to minimize environmental impact while maintaining performance.
9. Serviceability: Cummins engines are known for their ease of service and maintenance. The NTA855-M450 is designed with accessible service points, allowing for convenient routine maintenance and repairs.
It’s important to note that specific configurations and options may vary based on the application and customer requirements. It’s recommended to consult Cummins or their authorized dealers for precise information and specifications related to the NTA855-M450 engine.
Cummins NTA855-M450 Marine Propulsion Engine
General data of Cummins NTA855-M450 Marine Propulsion Engine |
Engine Model |
Cummins NTA855-M450 |
Type |
6 cylinder in line |
Rating Type |
Heavy Duty |
Displacement |
14 L |
Bore&Stroke |
140×152 mm |
Weight (Dry) – Engine Only |
1303 KG |
Weight (Dry) – Engine With HeatexchangerSystem |
1430 KG |
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Performance Date of Cummins NTA855-M450 Marine Propulsion Engine |
Rated Output/Speed |
336KW/450HP/1800RPM |
Max torque/Speed |
|
Brake Mean Effective Pressure |
1600 KPa |
Fuel Consumption/rated speed |
83 l/hr |
Approximate Fuel Flow to Pump |
249 l/hr |
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Technical data of Cummins NTA855-M450 Marine Propulsion Engine |
Aspiration |
Turbocharged/Aftercooled |
Fuel System |
PT Pump |
Coolant Flow to Engine Heat Exchanger |
264 l/min |
Minimum Idle speed Setting |
575-650 RPM |
High Idle Speed Range |
1962-2106 RPM |
Normal Idle Speed Variation |
25 RPM |
Compression ratio |
14.5:1 |
Piston Speed |
9.1 m/sec |
Firing Order |
1-5-3-6-2-4 |
The above is general technicial information of Cummins NTA855-M450 Marine Propulsion Engine. It is also for us to supply the Cummins NTA855-M450 genuine parts and marine engine units with gearbox.
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