NTA855 – M350 Marine Engine

The Cummins NTA855-M350(1800 RPM) Marine Main 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. This marine diesel engine complies with IMO-NOx requirements and is equipped with a PT Fuel System, turbocharger, and Water-Air intercooler.

Key features and advantages:

1. Continuous Power and Torque: It delivers 350 HP (261 kW) at 1800 RPM and has a maximum torque of 1385 N.m at 1500 RPM, ensuring reliable performance.
2. Compliance with Regulations: The engine meets IMO Tier 2 emission regulations, contributing to environmental sustainability in maritime operations.
3. Efficiency and Reduced Emissions: High-efficiency supercharger and intercooler technology contribute to efficient engine operation, reducing fuel consumption and emissions. Low-temperature intercooler technology further enhances reliability while minimizing environmental impact.
4. High Injection Pressure: The engine operates with high pressure, ensuring full fuel combustion and high-energy efficiency while minimizing emissions.
5. ESTC Electronic Oil Timing Control Valve: This feature enables precise timing adjustments, particularly at low idle speeds, improving combustion efficiency and reducing smoke emissions.
6. Modular Design: The engine features a modular design with block integration, compact structure, and detachable parts, enhancing reusability and maintenance efficiency.
7. Integrated Cylinder Block and Cylinder Head: The integrated design of the cylinder block and head ensures low failure rates, excellent lubrication, and durability, contributing to the engine’s reputation for reliability.

Hawks Parts offers comprehensive services for CCEC marine main engines, including design, power system supply, installation, commissioning, after-sales service training, spare parts supply, troubleshooting, and overhaul technical support. Additionally, Hawks Parts also provides upgrading services for water-cooled exhaust systems, meeting the needs of various marine projects, particularly passenger boats.

NTA855-M350 – Technical Specification

Certification: CCS/IMO Certificates

Aspiration: Turbocharged/Aftercooled

Fuel System: Cummins Pressure Time (PT Pump)

Starting System: Electrical Start (24V/100AMP)

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

NTA855-M350 – Performance Data

Rated Power/Speed: 261 kW/350HP

Rated Speed: 1800 rpm

Rating Type: Continuous Running Power

Max Torque/Speed: 1385 N.m @ 1500 rpm

Low Idle Speed: 575-675 rpm

High Idle Speed: 1962-2106 rpm

Fuel Consumption (Running Speed): ≤ 220 g/kW.hr

NTA855-M350 – General Information

Rated Power/Speed: 261 kW/350HP

Rated Speed: 1800 rpm

Rating Type: Continuous Running Power

Max Torque/Speed: 1385 N.m @ 1500 rpm

Low Idle Speed: 575-675 rpm

High Idle Speed: 1962-2106 rpm

Fuel Consumption (Running Speed): ≤ 220 g/kW.hr

Cummins NTA855 Engine Parts

We also provide NAT855 spare parts including cylinder heads, injectors, turbochargers, camshafts, and more, if you need more catalogs and manuals, please check here for more info.