DCEC B5.9CMII136G Marine Auxiliary Engine
DCEC B5.9CMII136G Marine Auxiliary Engine is a 6-cylinders, 5.9 liters four-strokes engine with 102mm bore and 120mm stroke.
Equipped with Weifu AD fuel pump and RSV governor, engine comes with turbocharger.
The prime power at 1500RPM of DCEC B5.9CMII136G marine auxiliary engine is 100kW.
Based on standard DCEC marine auxiliary engines, SeaMac provides both heat exchanger cooling and keel cooling marine auxiliary engines, we also provide complete propulsion system that including marine engine, gearbox, shaft, propeller as complete power system. SeaMac provides full life cycle services for all our customers, from design to power system supply, from installation to commissioning, from after-sales service training to spare parts supply, from trouble shooting to overhaul technical support.
All of DCEC marine auxiliary engine are comes with dry type exhaust system, which means dry type exhaust manifold and dry type turbocharger, SeaMac provides upgrading services for water-cooled exhaust system, which modify dry type exhaust system into water-cooled exhaust system, which are quite important and often requested by passenger boat projects.
Advantages of B5.9CMII136G Marine Engine
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Leading design and excellent manufacturing technology make the engine more reliable and durable, suitable for high-strength, heavy-duty work under severe working conditions.
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The cylinder block and cylinder head adopt integrated design to prevent the occurrence of engine water and oil leakage. The parts are about 40% less than other similar engines, and the failure rate is greatly reduced.
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The cylinder bore adopts a platform mesh honing design, the perfect geometric structure effectively prevents oil leakage, and the use of advanced technologies such as new piston ring components and gasket crimping and molding reduces oil loss.
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Synchronized with the advanced design and sophisticated manufacturing of CMS in the United States, it is suitable for harsh working conditions and has strong high-intensity and heavy-duty operating capabilities.
Technical Specifications
Engine Model: | B5.9CMII136G |
Engine Type: | 6 Cylinders |
Displacement: | 5.9 L |
Rated Speed: | 1500 RPM |
Rated Power / Speed: | 100 kW @ 1500 RPM |
Peak Torque: | 636 N.m @ 1500 RPM |
Classification: | N/A |
Aspiration Method: | Turbocharged/Aftercooled |
Emission Standard: | N / A |
Bore*Stroke: | 102 mm * 120 mm |
Packing Size(L*W*H): | N / A |
Wet Weight: | 543 kg |
Lead Time: | 15-30 Working Days |
Payment Terms: | T/T ,L/C |
Engine Model |
Peak Torque |
Rated Power |
Fuel System |
Aspiration |
B3.9CMII136G | 636 N.m @ 1500 RPM | 100 kW @ 1500 RPM | HPCR | Turbocharged/Aftercooled |
B3.9CMII156G | 732 N.m @ 1500 RPM | 115 kW @ 1500 RPM | HPCR | Turbocharged/Aftercooled |
——END—— |
General Infomation of DCEC B5.9CMII136G Marine Auxiliary Engine | |||
Engine Model | B5.9CMII136G | Curve Number | FR96893 |
Engine Configuration | D403115MX03 | CPL Code | CPL5571 |
Date | 16-Apr-19 | Displacement | 5.9 liter |
Bore*Stroke | 102 mm * 120 mm | Advertised Power | 100 kW [130 hp] @ 1500 rpm |
Fuel System | HPCR | Aspiration | Turbocharged/Aftercooled |
Cylinders | 6 | Exhaust Type | Dry |
—END— | |||
Engine Speed | Overload Capacity | Prime Power | Continuous Power | |||
RPM | kWm | BHP | kWm | BHP | kWm | BHP |
1500 | 110 | 147 | 100 | 134 | N.A. | N.A. |
——END—— |

Performance Data of DCEC B5.9CMII136G Marine Auxiliary Engine | |||
Prime Power | Overload | ||
Rated Engine Power | 100 kW [134 hp] | 110 kW [147 hp] | |
Governed Engine Speed | 1500 RPM | ||
Rated HP Production Tolerance | 3 ±% | ||
Rated Engine Torque | 636 Nꞏm [469 lbꞏft] | 698 Nꞏm [515 lbꞏft] | |
Low Idle Speed Range Minimum | 750 rpm | ||
Low Idle Speed Range Maximum | 800 rpm | ||
Brake Mean Effective Pressure | 1351 kPa [196 psi] | 1489 kPa [216 psi] | |
Compression Ratio | 17.3:1 | ||
Piston Speed | 6.0 m/sec [1180 ft/min] | ||
Firing Order | 1-5-3-6-2-4 | ||
Friction Power | 11 kW [15 hp] | ||
Steady State Stability Band at Constant Load | 0.25% | ||
Weight Dry – Engine Only | 543 kg [1197 lb] | ||
Weight Dry – Engine With Heat Exchanger | 641 kg [1413 lb] | ||
1 m sound pressure level – GB/T1859 | < 93 dB | ||
—END— | |||
Jacket Water Aftercooled Engines (JWAC) | |||
Prime Power | Overload | ||
Coolant Flow to Main Cooler (with open thermostat) | 111 l/min [29.3 gal/min] | ||
Standard Thermostat Operating Range Start to open | 71 °C [160 °F] | ||
Standard Thermostat Operating Range Full open | 83 °C [182 °F] | ||
Heat Rejection to Engine Coolant³ | 57 kW [3244 Btu/min] | 61 kW [3472 Btu/min] | |
—END— | |||
Emissions (in accordance with ISO 8178 Cycle D2) | |||
Prime Power | Overload | ||
NOx (Oxides of Nitrogen) | 4.970 g/kwꞏhr | ||
HC (Hydrocarbons) | 0.330 g/kwꞏhr | ||
CO (Carbon Monoxide) | 0.120 g/kwꞏhr | ||
PM (Particulate Matter) | 0.083 g/kwꞏhr | ||
—END— | |||
Electrical and Start System | |||
Prime Power | Overload | ||
Voltage | 24 V | ||
Cold Soak at -18°C (0°F) -Cold Cranking Amperes Rating | 600 CCA | ||
Maximum Allowable Resistance of Starting Circuit | 2 Ohms | ||
Min. start temperature without cold starting aid | -12 °C [-10 °F] | ||
—END— |
System Performance Data of DCEC B5.9CMII136G Marine Auxiliary Engine | |||
Prime Power | Overload | ||
Lubrication System | Max. Allowable Oil Temperature (Sump) | 124 °C [255 °F] | |
Oil Pan Capacity (OP9582) | |||
Low/High | 12.3 [14.2] l/l | ||
Min. Oil Pressure at idle speed | 69 kPa [10 psi] | ||
Maximum Operational Angularity of Oil Pan | 40 degree | ||
Fuel System | Approximate Fuel Flow to Pump | 71 l/hr [18.76 gal/hr] | |
Maximum Allowable Fuel Supply to Pump Temperature | 80 °C [176 °F] | ||
Approximate Fuel Flow Return to Tank | 22 l/hr [5.69 gal/hr] | ||
Maximum Allowable Restriction to Fuel Pump | |||
Clean Filter | 16 kPa [2.3 psi] | ||
Dirty Filter | 30 kPa [4.4 psi] | ||
Air System | |||
Intake Manifold Pressure | 79 kPa [23.3 in Hg] | 87 kPa [25.7 in Hg] | |
Intake Air Flow | 102 l/sec [216 cfm] | 107 l/sec [226 cfm] | |
Heat Rejection to Ambient | 17 kW [980 Btu/min] | ||
Exhaust System | Exhaust Gas Flow | 285 l/sec [604 cfm] | 308 l/sec [652 cfm] |
Exhaust Gas Temperature | 557 °C [1034 °F] | 583 °C [1081 °F] | |
Max. Exhaust Pressure | 10 kPa [3 in Hg] | ||
Cooling System | |||
Sea Water Pump flow4 ( Discharge Restriction Pressure 40 kPa ) | 6.5 m3 /hr | ||
Pressure Cap Rating (With Heat Exchanger Option) | 48 kPa [7 psi] | ||
Max. Pressure Drop Across Any External Cooling System Circuit | 34 kPa [5 psi] | ||
—END— |
Scopes of Supply of DCEC B5.9CMII136G Marine Auxiliary Engine |
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Air Intake System | 1. Air Intake Manifold | Exhuast System | 1. Exhuast Manifold | |
2. Air Filter | 2. Turbocharger | |||
3. N / A | 3. Exhuast Elbow | |||
Starting System | 1. Starter Motor | Charging System | 1. Charging Alternator | |
2. Starter Rely | 2. N / A | |||
Lubricating System | 1. Oil Pump | Fuel System | 1. Fuel Transfer Pump | |
2. Oil Filter | 2. High-Pressure Fuel Pump | |||
3. N / A | 3. Machanical Governor | |||
4. N / A | 4. Fuel Filter | |||
Engine Shut-Down System | 1. Engine Fuel Shut-Off Solenoid | Power Output System | 1. Flywheel | |
2. N / A | 2. Standard Flywheel Housing | |||
——END—— |
Optional Accessories of DCEC DCEC B5.9CMII136G Marine Auxiliary Engine |
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Air Intake System | 1. Air Intake Pre-Heater | Exhuast System | 1. Muffler & Bellows | |
2. Air Intake Pre-Filter | 2. Flame Trap | |||
3. Air Filter Alarm System | 3. Spark Arrestor Type Muffler & Bellows | |||
4. N / A | 4. DPF System | |||
Fuel System | 1. Coarse Filter | Engine Auiliary Accessories | 1. Hydraulic Oil Pump | |
2. Fuel Pre-Heater | 2. Hydraulic Cluch | |||
Starting System | 1. Manual Magnetic DC Contactor | Cooling System | 1. Engine Monitor | |
2. Dual Ears Flywheel Housing | 2. Engine Protection System With Alarm System | |||
3. Spring Starter Motor | 3. Machanical Engine Control Lever Syste | |||
4. Air Starter Motor | 4. Electric Engine Control Lever System | |||
5. Hydraulic Starter Motor | 5. N / A | |||
6. Manual Magnetic DC Contactor | 6. N / A | |||
Power Output System | 1. Gear Reduction Gearbox | Cooling System | 1. Coolant Pre-Heater | |
2. Reverse Gear Box | 2. Jacket Water Heater | |||
Lubricating System | 1. Oil Pre-Heater | Engine Mounting System | 1. Shock Absorber Pad | |
——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 DCEC B5.9CMII136G Marine Auxiliary Engine |
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Air Intake System | 1. Installation Position of Air Filter | Starting System | 1. 12V Starter Motor for 12V Electric System | |
2. Upgrade to Heavy-Duty Type Air Fitler | 2. Upgrading to Specified Brand and Speicifications of Starter Motor | |||
Exhuast System | 1. Can Modify Installation Position and Direction of Turbocharger | Charging System | 1. 12V Charging Alternator for 12V Electric System | |
2. Water-Cooled Exhuast Manifold | 2. Explosion-Proof Charging Alternator | |||
3. Water-Cooled Turbocharger | 3. Upgrading to Specified Brand and Speicifications of Charging Alternator | |||
Fuel System | 1. Upgrade to Fuel Fitler That Integrated with Fuel Transfer Pump and Fuel Pre-Hearter | Engine Auiliary Accessories | 1. Additional Auxiliary Systems Can Be Added for Special Applications | |
Engine Shut-Down System | 1. 12V Solenoid for 12V Electric System | Cooling System | 1. Can Modify Engine Into Keel Cooling System | |
2. Explosion-Proof Solenoid | 2. N / A | |||
Lubricating System | 1. Oil Pan Position | Power Output System | 1. Can Modify Size of Flywheel Housing and Flywheel | |
2. Number of Dipstick | 2. Dual-Ear Flywheel Housing (For Twin-Starter System) | |||
3. Position of Dipstick Can Choose from 6 Positions | 3. Some of Models Can Modify Flywheel Housing Into PTO Integrated Type | |||
4. Can Modify Oil Filter to Be Remote Installation | 4. Engine Have Connecting Port of PTOs, That Able to Provide Power Output | |||
Engine Mounting System | 1. Can Modify Engine Mouting Bracket | |||
——END—— |
Note: All Above Data are Just for Reference, All Data Might Change Without Notices or Updates, Please Contact Our Sales Team to Confirm All Details Via WhatsApp or Email.

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