CCEC NT855–D(M)306 Marine Engine
| Engine Model | NT855–D(M)306 |
| Advertised Power | 306 kW (410 HP) @ 1800 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)306 Marine Engine
| General Infomation of CCEC NTA855 – D(M)306 Marine Auxiliary Engine | |||||
| Engine Model | NTA855 – D(M)306 | Configuration | D093641MX02 | ||
| Curve No. | D(M) – 862 | 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 | 306 kW (410 HP) @ 1800 RPM | Aspiration | Turbocharged & Water-Air Intercooler | ||
| Rating Type | Prime Power | Overload | Rating Type | Prime Power | Overload |
| Rated Engine Power | 410 HP / 306 kW | 451 HP / 337 kW | Rated HP Production Tolerance | ± 2 % | N / A |
| Rated Engine Torque | 1437 lb.ft / 1948 N.m | 1582 lb.ft / 2145 N.m | Governed Engine Speed | 1800 RPM | 1800 RPM |
| Brake Mean Effective Pressure | 253 PSI / 1749 kPa | 279 PSI / 1926 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)306 Marine Engine
| Scopes of Supply of CCEC NTA855-D(M)306 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)306 Marine Engine
| System Technical Data of CCEC NTA855-D(M)306 Marine Auxiliary Engine | |||
| Fuel System | Prime Power | Overload | |
| Fuel Consumption | 19 GAL/hr / 72 L/hr | 21 GAL/hr / 79 L/hr | |
| Approximate Fuel Flow to Pump | 76 GAL/hr / 288 L/hr | 83 GAL/hr / 316 L/hr | |
| Maximum Allowable Fuel Supply to Pump Temperature | 160 °F / 71 °C | N / A | |
| Approximate Fuel Flow Return to Tank | 57.1 GAL / 216 hr | 62.6 GAL / 237 hr | |
| Fuel Rail Pressure | N / A | 233 PSI / 1605 kPa | |
| Weight | |||
| Dry – Engine Only | 2863 lb / 1300 kg | N / A | |
| Dry – Engine With Heatexchanger | 3106 lb / 1410 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 | 56 in. Hg / 190 kPa | |
| Intake Air Flow | 866 CFM / 409 L/sec | 930 CFM / 439 L/sec | |
| Heat Rejection to Ambient | 2106 BTU/min / 37 kW | 2334 BTU/min / 41 kW | |
| Exhaust System | Prime Power | Overload | |
| Exhaust Gas Flow | 2038 CFM / 962 L/sec | 2309 CFM / 1090 L/sec | |
| Exhaust Gas Temperature (Turbine Out) | 903 °F / 484 °C | 928 °F / 498 °C | |
| Heat Rejection to Exhaust | 10473 BTU/min / 184 kW | 11612 BTU/min / 204 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 | 12579 BTU/min / 221 kW | 14002 BTU/min / 246 kW | |
CCEC NT855–D(M)306 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.
