Cummins NT855 – M270

The Cummins NT855-M270(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 270 HP (201 kW) at 1800 RPM, with a maximum torque of 1174 N.m at 1500 RPM.

Advantages include:

1. Stable Performance: The engine demonstrates 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, crucial for marine applications where responsiveness is essential.
4. Efficient Cooling: Strong cooling capabilities ensure optimal engine temperature regulation, enhancing performance and longevity.
5. High Injection Pressure: The engine operates with high injection pressure, promoting 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.

General Information

Model: NTA855-M270

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.: D093348MX02

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

Performance Data

Rated Power/Speed: 201 kW/270HP

Rated Speed: 1800 rpm

Rating Type: Continuous Running Power

Max Torque/Speed: 1174 N.m @ 1500 rpm

Low Idle Speed: 575-675 rpm

High Idle Speed: 1962-2106 rpm

Fuel Consumption (Running Speed): 52 L/hr

Cummins NTA855 Engine Seires