Cummins NT855 – M200

  • Engine Model: NT855 – M200
  • Rated Power:149 kW/200HP
  • Rated Speed: 1800RPM
  • Engine Type: 6 Cylinders, in Line
  • Bore*Stroke(mm):140mm x152mm
  • Displacement:14L
  • Compression Ratio: 14.5:1
  • Fuel Consumption (Running Speed): ≤ 39 L/hr
  • Aspiration Type: Turbocharged & Aftercooled
  • Cooling Method: Water Cooled
  • Start Type: 24V, Electric Start
  • Fuel System: Direct Injection Pump
  • Governor Method: Mechanical Governor
  • Net Weight (with flywheel & alternator): 1385 Kg

Cummins NT855 – M200

The Cummins NT855-M200(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 provides continuous power of 200 HP (149 kW) at 1800 RPM, with a maximum torque of 2612 N.m at 1500 RPM.

Advantages include:

  1. Stable Performance: The engine offers stable performance with sufficient combustion, ensuring reliability in marine operations.
  2. Low Failure Rate: With a focus on durability and reliability, the engine boasts a low failure rate, reducing maintenance requirements and downtime.
  3. Fast Starting and Good Acceleration: The engine features fast starting capabilities and good acceleration, crucial for marine applications where responsiveness is key.
  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 minimizes its environmental footprint while ensuring regulatory compliance.
  7. Advanced Technologies: Adoption of CMI high-efficiency supercharger and intercooler technology, along with low-temperature intercooler technology, reduces fuel consumption and emissions while enhancing reliability.
  8. Safety Features: Features such as overspeed protection and low-pressure fuel supply contribute to safe and efficient engine operation.
  9. Modular Design: The engine’s modular design, block integration, and compact structure facilitate maintenance and enhance reusability.
  10. Integrated Cylinder Design: The integrated design of the cylinder block and head ensures excellent lubrication and durability, further contributing to the engine’s reliability.

Hawks offers comprehensive life cycle services for customers, 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, catering to the specific needs of passenger boat projects and ensuring optimal engine performance and reliability.

NT855-M200 – General Information

Model: NT855-M200
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.: D0903348MX02
Cummins NT855

NT855-M200 – 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
Cummins NT855

NT855-M200 – Performance Data

Rated Power/Speed: 149 kW/200HP
Rated Speed: 1800 rpm
Rating Type: Continuous Running Power
Low Idle Speed: 575-675 rpm
High Idle Speed: 1962-2106 rpm
Fuel Consumption (Running Speed): ≤ 39 L/hr
Cummins NT855

Cummins NTA855 Engine Seires


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