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CCEC NT855 – M250 Marine Engine

CCEC NT855-M250(1800 RPM) Marine Main Engine is 6-cylinder inline, 14 liters four-strokes engine with 140 mm (5.5 in) bore and 152 mm (6.0 in) stroke. NT855-M250 Marine Main Engine equipped with PT Fuel System, comes with turbocharger, this marine diesel engine complies with IMO-NOx requirements of the International Maritime Organization (IMO). The continuous power at 1800 RPM of CCEC NT855-M250 Marine Main Engine is 250 HP (187 kW). The maximum torque of the engine at 1300 RPM is 1044 N.m.

1. NT series marine engine has stable performance, sufficient combustion, low failure rate, fast starting, good acceleration, strong cooling, high injection pressure, perfect detection characteristics, good transient response, high reliability and durability.
2. It meets the requirements of IMO TIER2 emission regulations, and adopts CMI high-efficiency supercharger and high-efficiency intercooler to make the engine run efficiently, and the application of low-temperature intercooler technology greatly reduces fuel consumption and emissions, while enhancing engine reliability.
3. With high injection pressure, overspeed protection, low-pressure fuel supply, fewer pipelines, and low failure rate, it can ensure full fuel combustion and achieve high-efficiency energy-saving effects. The equipped ESTC electronic oil timing control valve can accurately supplement and adjust the timing and improve the combustion smoke color at low idle speed.
4. Overall modular design, block integration, compact structure, detachable parts, high reusability
5. Cylinder block and cylinder head adopt integrated design, low failure rate, excellent lubrication system, low parasitic power, durability and excellent reputation.

Technical Specifications

Basic Introduction of CCEC NT855 – M250 Marine Main Engine

Engine Model:NT855 – M250
Engine Type:6 Cylinders, in Line
Displacement:855 in3 / 14 L
Rated Speed:1800 RPM
Aspiration Method:Turbocharged
Emission Standard:N / A
Bore*Storke:140 mm * 152 mm
Packing Size(L*W*H):1534mm * 781mm * 1355mm
Dry Weight:1280 kg
Lead Time:15-30 Working Days
Payment Terms:T / T ,L / C
CCEC-Marine-Engine-620x350-px-2-scaled (2)

Engine Model

Advertised Power

Aspiration

Compression Ratio

Fuel System

NT855 – M147110 kW (147 HP) @ 1600 RPMTurbocharged14.5 : 1PT
NT855 – M200149 kW (200 HP) @ 1800 RPMTurbocharged14.5 : 1PT
NT855 – M220164 kW (220 HP) @ 1800 RPMTurbocharged14.5 : 1PT
NT855 – M240179 kW (240 HP) @ 1800 RPMTurbocharged14.5 : 1PT
NT855 – M250187 kW (250 HP) @ 1800 RPMTurbocharged14.5 : 1PT
NT855 – M270201 kW (270 HP) @ 1800 RPMTurbocharged14.5 : 1PT
NT855 – M300224 kW (300 HP) @ 1800 RPMTurbocharged14.5 : 1PT
NTA855 – M350261 kW (350 HP) @ 1800 RPMTurbocharged & Water – Air Intercooler14.5 : 1PT
NTA855 – M400A298 kW (400 HP) @ 1800 RPMTurbocharged & Water – Air Intercooler14.5 : 1PT
NTA855 – M400B298 kW (400 HP) @ 2100 RPMTurbocharged & Water – Air Intercooler14.5 : 1PT
NTA855 – M450336 kW (450 HP) @ 1800 RPMTurbocharged & Water – Air Intercooler14.5 : 1PT
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General Infomation of CCEC NT855 – M250 Marine Main Engine

Engine ModelNT855 – M250ConfigurationD092347MX02
Curve No.M – 176CPL Code0731
Displacement855 in3 / 14 LBore * Stroke140 mm * 152 mm / 5.50 in * 6.00 in
Fuel SystemPTCylinders6, in Line
Advertised Power187 kW (250 HP) @ 1800 RPMAspirationTurbocharged
Rating TypeContinuousPeak Engine Torque @ RPMN. A.
Brake Mean Effective Pressure129 PSI / 890 kPaMinimum Idle Speed Setting575 – 675 RPM
Normal Idle Speed Variation50 ± RPMHigh Idle Speed Range Minimum1962 RPM
High Idle Speed Range Maximum2106 RPMCompression Ratio14.5 : 1
Piston Speed1791 ft/min / 9.1 m/secWeight (Dry) – Engine Only – Average2797 lb. / 1270 kg
Weight (Dry) – Engine With Heat Exchanger System – Average3040 lb. / 1380 kgInstallation Diagram No4061292
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Performance Curve CCEC Cummins NT855-M250 Marine Main Engine

System Technical Data of CCEC NT855 – M250 Marine Main Engine

Fuel SystemFuel Consumption at Rated Speed12 GAL/hr / 47 L/hr
Approximate Fuel Flow to Pump36 GAL/hr / 138 L/hr
Maximum Allowable Fuel Supply to Pump Temperature160 °F / 71 °C
Approximate Fuel Flow Return to Tank TemperatureN. A.
Maximum Heat Rejection to Drain FuelN. A.
Fuel Pressure – Pump Out / Rail Mechanical Gauge91 PSI / 627 kPa
Air SystemIntake Manifold Pressure22 in. Hg / 74 kPa
Intake Air Flow731 CFM / 345 L/sec
Heat Rejection to Ambient1309 BTU/min / 23 kW
Exhaust SystemExhaust Gas Flow1652 CFM / 780 L/sec
Exhaust Gas Temperature (Turbine Out)700 °F / 371 °C
Heat Rejection to Exhaust (Manifold)970 °F / 521 °C
Cooling SystemSea Water Pump SpecificationsMAB 0.08.17 – 07 / 16 / 2001
Pressure Cap Rating (With Heat Exchanger Option)7 PSI / 50 kPa
Engines without Low Temperature Aftercooler (LTA) Jacket Water Aftercooled Engine (JWAC)
Coolant Flow to Engine Heat Exchanger62 GAL/min / 234 L/min
Standard Thermostat Operating Range (Start to Open)180 °F / 82 °C
Standard Thermostat Operating Range (Full Open)201 °F / 94 °C
Heat Rejection to Engine Coolant37969 BTU/min / 140 kW
——END——

Scopes of Supply of CCEC NT855 – M250 Marine Main Engine

Exhaust System1. SilencerLubricating System1. Oil Pump
2. Bellows2. Oil Filter
Fuel System1. Fuel PumpStarting System1. Starter Motor
2. Oil Cut Solenoid Valve2. Fywheel Housing
3. Fuel Filter3. Flywheel
Charging System1. AlternatorControl System1.Stadnby Control Panel
Cooling System1. Seawater Pump
2. Heat Exchanger
——END——

Optional Accessories of CCEC NT855 – M250 Marine Main Engine

Exhaust System1. SilencerPower  System1. Battery
Fuel System1. Float Fuel TankCooling System1. Radiator
2. Oil – Water Separator2. Cooling Fan
3. Manual Fouling Pump3. Sea Water Pump
4. Fuel Inlet and Outlet Hose4. Heat Exchanger
Remote Control System1. Sea Water Pump
2. Heat Exchanger
——END——

Committed to providing reliable premium propulsion system and power system for all kinds of ships around the world, SeaMac is a sub-brand of EMAC group that focused on maritime application. SeaMac’s ranges of products mainly inclduing marine main engine, marine gearbox, marine propellers, marine control lever system, marine auxiliary engine, marine generator set and emergency generator set.
For more information of our marine proplusion and power system products, you are welcome to visit SeaMac homepage: www.seamac.com

Modifiable components of CCEC NT855 – M250 Marine Main Engine

Air Intake System1. Installation Position of Air FilterStarting System1. 12 V Starter Motor for 12 V Electric System
2. Upgrade to Heavy – Duty Type Air Fitler2. Upgrading to Specified Brand and Speicifications of Starter Motor
Exhuast System1. Can Modify Installation Position and Direction of TurbochargerCharging System1. 12 V Charging Alternator for 12 V Electric System
2. Water – Cooled Exhuast Manifold2. Explosion – Proof Charging Alternator
3. Water – Cooled Turbocharger3. Upgrading to Specified Brand and Speicifications of Charging Alternator
Fuel System1. Upgrade to Fuel Fitler That Integrated With Fuel Transfer Pump and Fuel Pre – HearterEngine Auiliary Accessories1. Additional Auxiliary Systems Can Be Added for Special Applications
Engine Shut-Down System1. 12 V Solenoid for 12 V Electric SystemCooling System1. Can Modify Engine Into Keel Cooling System
2. Explosion – Proof Solenoid2. N / A
Lubricating System1. Oil Pan PositionPower Output System1. Can Modify Size of Flywheel Housing and Flywheel.
2. Number of Dipstick2. Dual – Ear Flywheel Housing (for Twin – Starter System)
3. Position of Dipstick Can Choose From 6 Positions3. Some of Models Can Modify Flywheel Housing Into Pto Integrated Type
4. Can Modify Oil Filter to Be Remote Installation4. Engine Have Connecting Port of Ptos, That Able to Provide Power Output
Engine Mounting System1. Can Modify Engine Mouting Bracket
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Note: All Above Data are Just for Referenece, All Data Might Change Without Notices or Update, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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