Cummins NT855 – M240 Marine Engine

The Cummins NT855-M240(1800 RPM) Marine Engine is a 6-cylinder inline, 14-liter four-stroke engine with a 140 mm (5.5 in) bore and a 152 mm (6.0 in) stroke. Equipped with a PT Fuel System and turbocharger, this marine diesel engine complies with IMO-NOx requirements set by the International Maritime Organization (IMO). It delivers continuous power of 240 HP (179 kW) at 1800 RPM, with a maximum torque of 1044 N.m at 1300 RPM.

Advantages NT855-M240 Marine Engine include:

1. Stable Performance: The engine exhibits stable performance with sufficient combustion, ensuring reliability in marine operations.
2. Low Failure Rate: Engine components are designed for durability and reliability, resulting in a low failure rate and reduced maintenance needs.
3. Fast Starting and Good Acceleration: The engine features fast starting capabilities and good acceleration, essential for marine applications where responsiveness is critical.
4. Efficient Cooling: Strong cooling capabilities ensure optimal engine temperature regulation, enhancing performance and longevity.
5. High Injection Pressure: Operating with high injection pressure, the engine promotes full fuel combustion and energy efficiency.
6. Emission Compliance: Meeting IMO Tier 2 emission regulations, the engine reduces its environmental impact while complying with international standards.
7. Advanced Technologies: The engine incorporates CMI high-efficiency supercharger and intercooler technology, along with low-temperature intercooler technology, to minimize fuel consumption and emissions while improving reliability.
8. Safety Features: With overspeed protection, low-pressure fuel supply, and advanced control systems like the ESTC electronic oil timing control valve, the engine ensures safe and efficient operation.
9. Modular Design: Featuring a modular design, block integration, and compact structure, the engine facilitates maintenance and enhances reusability.
10. Integrated Cylinder Design: The integrated design of the cylinder block and head ensures excellent lubrication, low parasitic power loss, and overall durability, contributing to the engine’s reliability.

Hawks Parts offers comprehensive life cycle services, including design, power system supply, installation, commissioning, after-sales service training, spare parts supply, troubleshooting, and overhaul technical support. Additionally, We provide upgrading services for water-cooled exhaust systems, meeting the specific needs of passenger boat projects and ensuring optimal engine performance and reliability.

NT855-M240 – General Information

Model: NTA855-M240

Type: 6 Cylinders in Line, 4 strokes

Displacement: 14 L

Bore * Stroke: 140 * 152

Net Weight (with flywheel & alternator): 1385 Kg

Overall Dimension: 1453mm*947mm*1296mm

Manufacture Plant: Chongqing Cummins Plant

Engine Configuration No.: D092347MX02

NT855-M240 – Technical Specification

Certification: CCS/IMO Certificates

Aspiration: Turbocharged/Aftercooled

Fuel System: Cummins Pressure Time (PT Pump)

Starting System: Electrical Start (24V)

Governor Type: Mechanical Control

Compression Radio: 14.5:1

Lowest Starting Temp Without auxiliary system: -12℃

Cooling Method: Sea water pump, Heat exchanger, Water cooled

NT855-M240 – Performance Data

Rated Power/Speed: 179 kW/240HP

Rated Speed: 1800 rpm

Rating Type: Continuous Running Power

Max Torque/Speed: 1044 N.m @ 1300 rpm

Low Idle Speed: 575-675 rpm

High Idle Speed: 1962-2106 rpm

Fuel Consumption (Running Speed): 47 L/hr

Cummins NTA855 Engine Seires