CCEC NT855 – DM240 Marine Engine

CCEC NT855 – DM240 Marine Engine

Engine ModelNT855–DM240 
Advertised Power164 kW (220 HP) @ 1800 RPM
Compression Ratio15.0 : 1
Type4 Cycle; 6 Cylinder
Fuel SystemPT
AspirationTurbocharged & Aftercooled
Emission StandardEuro II
Displacement14L
Bore * Stroke140 mm * 152 mm
Packing Size (L * W * H)1534 mm * 781 mm * 1355 mm

General Infomation of CCEC NT855–DM240 Marine Engine

General Infomation of CCEC N855-DM240 Marine Auxiliary Engine
Engine ModelN855 – DM240ConfigurationD093641MX02
Curve No. FR896CPL CodeCQ171
Displacement855 in3 / 14 LBore * Stroke140 mm * 152 mm / 5.50 in * 6.00 in
Fuel SystemDirect Injection CMI PTCylinders6, in Line
Prime Power240 kW (321 HP) @ 1500 RPMAspirationTurbocharged / LTA
Rating TypePrime PowerOverloadRating TypePrime PowerOverload
Rated Engine Power321 HP / 240 kW354 HP / 264 kWRated HP Production Tolerance± 3 %N / A
Rated Engine Torque1124 lb.ft / 1524 N.m1239 lb.ft / 1680 N.mGoverned Engine Speed1500 RPM
Brake Mean Effective Pressure198 PSI / 1365 kPa219 PSI / 1510 kPaIdle Speed Range575 – 650 RPMN / A
Piston Speed1500 ft/min / 7.6 m/secN / ACompression Ratio14.5 : 1N / A
Friction Power29 HP / 22 kWN / AFiring Order1 – 5 – 3 – 6 – 2 – 4N / A
Steady State Stability Band at Constant Load0.25 %N / AWeight Dry – Engine Only1314 kg / 2896 lbN / A
Weight Dry – Engine With Heat Exchanger1431 kg / 3155 lbN / A

Scopes of Supply CCEC NT855 – DM240 Marine Engine

Scopes of Supply of CCEC NT855 – DM240 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

System Technical Data of CCEC NT855 – DM240 Marine Engine

System Technical Data of CCEC NT855 – DM240 Marine Main Engine
Fuel SystemFuel Consumption at Rated Speed12 GAL/hr / 47 L/hr
Approximate Fuel Flow to Pump37 GAL/hr / 141 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 Gauge84 PSI / 579 kPa
Air SystemIntake Manifold Pressure20 in. Hg / 68 kPa
Intake Air Flow572 CFM / 270 L/sec
Heat Rejection to Ambient1309 BTU/min / 23 kW
Exhaust SystemExhaust Gas Flow1250 CFM / 590 L/sec
Exhaust Gas Temperature (Turbine Out)720 °F / 382 °C
Heat Rejection to Exhaust (Manifold)990 °F / 532 °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 Exchanger84 GAL/min / 317 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 Coolant38709 BTU/min / 153 kW

CCEC NT855 – DM240 Marine Engine Product Advantages

Excellent Durability
The cylinder block and head adopt high-strength integrated design, reducing failure rates. Durable and has earned an excellent reputation.

Outstanding Performance
Equipped with an advanced PT fuel system and ultra-high injection pressure, it features unique advantages such as overspeed protection, low-pressure fuel supply, fewer pipelines, and low failure rates. This ensures optimal fuel atomization and efficient combustion, delivering high energy-saving performance. The STC oil timing control valve precisely adjusts timing, improving combustion and reducing smoke emissions during low-idle conditions.

Exhaust System
Chongqing Cummins marine engines are designed with a rational exhaust system. The wet turbocharger and water-cooled exhaust pipes effectively reduce surface temperatures, complying with SOLAS safety regulations.

Easy Maintenance
Modular design with compact and integrated components. Parts are detachable with high reusability. Shared platform design ensures high parts commonality.

Emission Compliance
Compliant with IMO Tier II emission standards. Features a marine-optimized turbocharger and intercooler from Chongqing Cummins, paired with low-temperature intercooling technology. This enhances operational efficiency, reduces fuel consumption and emissions, and improves engine reliability.

Classification Society Certifications
Certified by multiple international classification societies, including CCS and BV.

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