CCEC K38–DM746 Marine Engine
| Engine Model | K38–DM746 |
| Advertised Power | 746 kW (1000 HP) @ 1500 RPM |
| Compression Ratio | 14.5 : 1 |
| Type | 4 Cycle; 12 Cylinder |
| Fuel System | PT |
| Aspiration | Turbocharged / LTA |
| Emission Standard | Euro II |
| Displacement | 38L |
| Bore * Stroke | 159 mm * 159 mm |
| Packing Size (L * W * H) | 2210 mm * 1320 mm * 1651 mm |
General Infomation of CCEC K38–DM746 Marine Engine
| General Information of CCEC K38 – DM746 Marine Auxiliary Engine | |||||
| Engine Model | K38–DM746 | Configuration | D233038MX02 | ||
| Curve No. | FR694 | CPL Code | 3875 | ||
| Displacement | 2300 in3 / 37.5 L | Bore * Stroke | 159 mm * 159 mm / 6.25 in * 6.25 in | ||
| Fuel System | PT | Cylinders | 12 | ||
| Prime Power | 746 kW (1000 HP) @ 1500 RPM | Aspiration | Turbocharged / LTA | ||
| Rating Type | Prime Power | Overload | Rating Type | Prime Power | Overload |
| Rated Engine Power | 1000 HP / 746 kW | 1100 HP / 821 kW | Rated HP Production Tolerance | ± 3 % | N / A |
| Rated Engine Torque | 3501 lb.ft / 4747 N.m | 3851 lb.ft / 5221 N.m | Governed Engine Speed | 1500 RPM | N / A |
| Brake Mean Effective Pressure | 230 PSI / 1586 kPa | 252 PSI / 1737 kPa | Idle Speed Range | 725 – 775 RPM | N / A |
| Piston Speed | 1562.5 ft/min / 7.9 m/sec | N / A | Compression Ratio | 13.9 : 1 | N / A |
| Friction Power | 115 HP / 86 kW | N / A | Piston Speed | 1R-6L-5R-2L-3R-4L-6R-1L-2R-5L4R-3L | N / A |
| Steady State Stability Band at Constant Load | 0.25 % | N / A | Weight Dry – Engine Only | 4301 kg / 9482 lb | N / A |
| Weight Dry – Engine With Heat Exchanger | 4501 kg / 9923 lb | N / A | |||
Scopes of Supply CCEC K38–DM746 Marine Engine
| Scopes of Supply of CCEC K38 – DM746 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 K38–DM746 Marine Engine
| System Technical Data of CCEC K38 – DM746 Marine Auxiliary Engine | |||
| Fuel System | Prime Power | Overload | |
| Approximate Fuel Flow to Pump | 104 GAL/hr / 394 L/hr | 110 GAL/hr / 416 L/hr | |
| Maximum Allowable Fuel Supply to Pump Temperature | 140 °F / 60 °C | 140 °F / 60 °C | |
| Approximate Fuel Flow Return to Tank | 52 Gal/ hr / 197 L/ hr | 54 Gal/ hr / 204 L/ hr | |
| Fuel Rail Pressure | 89 PSI / 614 kPa | 101 PSI / 696 kPa | |
| Average Fuel Consumption- Emissions ISO 8178 D2 Test Cycle | 28.6 Gal/ hr / 108.4 L/ hr | N / A | |
| Air System | Prime Power | Overload | |
| Intake Manifold Pressure | 40 in. Hg / 1016 mm Hg | 44 in. Hg / 1118 mm Hg | |
| Intake Air Flow | 1951 CFM / 921 L/sec | 2083 CFM / 983 L/sec | |
| Heat Rejection to Ambient | 7300 BTU/min / 128 kW | 7660 BTU/min / 135 kW | |
| Exhaust System | Prime Power | Overload | |
| Exhaust Gas Flow | 4721 CFM / 2228 L/sec | 5045 CFM / 2381 L/sec | |
| Exhaust Gas Temperature (Turbine Out) | 1013 °F / 545 °C | 1193 °F / 646 °C | |
| Heat Rejection to Exhaust | 33308 BTU/min / 585 kW | 36366 BTU/min / 639 kW | |
| Emissions (in accordance with ISO 8178 Cycle D2) | |||
| NOx (Oxides of Nitrogen) | 5.15 g/kW·hr / 3.84 g/BHP·hr | N / A | |
| 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) | 15 PSI / 103 kPa | N / A | |
| Main Engine Circuit | |||
| Coolant Flow to Engine Heat Exchanger (with open thermostat) | 260 GAL/min / 984 L/min | N / A | |
| Standard Thermostat Operating Range (Start to Open) | 180 °F / 82 °C | N / A | |
| Standard Thermostat Operating Range (Full Open) | 95 °F / 95 °C | N / A | |
| Heat Rejection to Engine Coolant3 | 343 kW / 19520 Btu/min | 369 kW / 21000 Btu/min | |
| Aftercooler (LTA) Circuit | |||
| Coolant Flow to LTA Cooler (with open thermostat) | 41 GAL/min / 155 L/min | N / A | |
| LTA Thermostat Operating Range (Start to Open) | 150 °F / 66 °C | N / A | |
| LTA Thermostat Operating Range (Full Open) | 170 °F / 77 °C | N / A | |
| Heat Rejection to Engine Coolant3 | 86 kW / 4917 Btu/min | 103 kW / 5874 Btu/min | |
| Maximum Coolant Inlet Temperature from LTA Cooler | 145 °F / 63 °C | N / A | |
CCEC K38–DM746 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.
