CCEC NT855–D(M)284 Marine Engine
| Engine Model | NT855–D(M)284 |
| Advertised Power | 284 kW (380 HP) @ 1500 RPM |
| Compression Ratio | 15.0 : 1 |
| Type | 4 Cycle; 6 Cylinder |
| Fuel System | Direct Injection CMI PT |
| Aspiration | Turbocharged & Aftercooled |
| Emission Standard | Euro II |
| Displacement | 14L |
| Bore * Stroke | 140 mm * 152 mm |
| Packing Size (L * W * H) | 1534 mm * 781 mm * 1355 mm |
General Infomation of CCEC NT855–D(M)284 Marine Engine
| General Infomation of CCEC NTA855-D(M)284 Marine Auxiliary Engine | |||||
| Engine Model | NTA855-D(M)284 | Configuration | D093641MX02 | ||
| Curve No. | D(M) – 169 | CPL Code | CQ126 | ||
| Displacement | 855 in3 / 14 L | Bore * Stroke | 140 mm * 152 mm / 5.50 in * 6.00 in | ||
| Fuel System | PT | Cylinders | 6, in Line | ||
| Prime Power | 284 kW (380 HP) @ 1500 RPM | Aspiration | Turbocharged & Water-Air Intercooler | ||
| Rating Type | Prime Power | Overload | Rating Type | Prime Power | Overload |
| Rated Engine Power | 380 HP / 284 kW | 430 HP / 321 kW | Rated HP Production Tolerance | ± 2 % | N / A |
| Rated Engine Torque | N / A | 1507 lb.ft / 2043 N.m | Governed Engine Speed | 1500 RPM | 1500 RPM |
| Brake Mean Effective Pressure | 235 PSI / 1623 kPa | 266 PSI / 1834 kPa | Idle Speed Range | 575 – 650 RPM | N / A |
| Piston Speed | 1496 ft/min / 7.6 m/sec | N / A | Compression Ratio | 14.0 : 1 | N / A |
| Friction Power | 29 HP / 22 kW | N / A | |||
Scopes of Supply CCEC NT855–D(M)284 Marine Engine
| Scopes of Supply of CCEC NTA855-D(M)284 Marine Auxiliary Engine | |||
| Exhaust System | 1. Silencer | Lubricating System | 1. Oil Pump |
| 2. Bellows | 2. Oil Filter | ||
| Fuel System | 1. Fuel Pump | Starting System | 1. Starter Motor |
| 2. Oil Cut Solenoid Valve | 2. Fywheel Housing | ||
| 3. Fuel Filter | 3. Flywheel | ||
| Charging System | 1. Alternator | Control System | 1.Stadnby Control Panel |
| Cooling System | 1. Seawater Pump | ||
| 2. Heat Exchanger | |||
System Technical Data of CCEC NT855–D(M)284 Marine Engine
| System Technical Data of CCEC NTA855-D(M)284 Marine Auxiliary Engine | |||
| Fuel System | Prime Power | Overload | |
| Fuel Consumption | 18.5 GAL/hr / 70 L/hr | 21 GAL/hr / 79 L/hr | |
| Approximate Fuel Flow to Pump | 55 GAL/hr / 210 L/hr | 63 GAL/hr / 237 L/hr | |
| Maximum Allowable Fuel Supply to Pump Temperature | 160 °F / 71 °C | N / A | |
| Approximate Fuel Flow Return to Tank | N / A | N / A | |
| Fuel Rail Pressure | N / A | 166 PSI / 1144 kPa | |
| Weight | |||
| Dry – Engine Only | 2896 lb / 1315 kg | N / A | |
| Dry – Engine With Heatexchanger | 3128 lb / 1420 kg | N / A | |
| Installation Diagram No | 4914572 | ||
| Hookup Diagram & Drawing, Electrical Circuit No | 4061349 , 4061350 | ||
| Air System | Prime Power | Overload | |
| Intake Manifold Pressure | N / A | 43 in. Hg / 146 kPa | |
| Intake Air Flow | 794 CFM / 375 L/sec | 885 CFM / 418 L/sec | |
| Heat Rejection to Ambient | 1935 BTU/min / 34 kW | 2220 BTU/min / 39 kW | |
| Exhaust System | Prime Power | Overload | |
| Exhaust Gas Flow | 2097 CFM / 990 L/sec | 2372 CFM / 1120 L/sec | |
| Exhaust Gas Temperature (Turbine Out) | 905 °F / 485 °C | 930 °F / 499 °C | |
| Heat Rejection to Exhaust | 9790 BTU/min / 172 kW | 11099 BTU/min / 195 kW | |
| Cooling System | Prime Power | Overload | |
| Sea Water Pump Specifications | MAB 0.08.17 – 07 / 16 / 2001 | N / A | |
| Pressure Cap Rating (With Heat Exchanger Option) | 7 PSI / 50 kPa | N / A | |
| Engines without Low Temperature Aftercooler (LTA) Jacket Water Aftercooled Engine (JWAC) | |||
| Coolant Flow to Engine Heat Exchanger | 52 GAL/min / 195 L/min | N / A | |
| Standard Thermostat Operating Range (Start to Open) | 180 °F / 82 °C | N / A | |
| Standard Thermostat Operating Range (Full Open) | 201 °F / 94 °C | N / A | |
| Heat Rejection to Engine Coolant3 | 11726 BTU/min / 206 kW | 13319 BTU/min / 234 kW | |
CCEC NT855–D(M)284 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.
