Select Page

CCEC K50 – DM1290 Auxiliary Engine

CCEC K50-DM1290(1800 RPM) Marine Auxiliary Engine is V Type 16-cylinder, 50.2 liters four-strokes engine with 159 mm (6.25 in) bore and 159 mm (6.25 in) stroke. 

K50-DM1290 Marine Auxiliary Engine equipped with PT Fuel System, comes with turbocharger and Aftercooled, this marine diesel engine complies with IMO-NOx requirements of the International Maritime Organization (IMO). The Overload Capacity power at 1800 RPM of CCEC K50-DM1290 Marine Auxiliary Engine is 1900 HP (1417 kW), The Prime power at 1800 RPM of CCEC K50-DM1290 Marine Auxiliary Engine is 1730 HP (1290 kW). The maximum torque of the engine at 1500 RPM is 7516 N.m.

Advantages of CCEC K50 – DM1290 Auxiliary Engine

  • Cummins unique PT with fixture and Step Timing control for precise fuel injection make the fuel injection pressure above 120Mpa, which leads to an excellent fuel consumption rate and emission performance. Check valve in fuel tube improve reliability.

  • Great flux gear pump, lube oil filter and by-pass oil filter can separate impurity above 10um effectively. Keep lubrication system in good state and make the engine more reliability.

  • Gear water pump and great flux channel design provide effective cooling. Spin-in water filter makes the coolant clean and keeps it in normal acidity.

  • Advanced Holset turbocharger, pulse exhaust manifold reduce exhaust temperature, provide excellence fuel consumption and emission performance.

Technical Specifications

Basic Introduction of CCEC K50 – DM1290 Marine Auxiliary Engine

Engine Model:K50 – DM1290
Engine Type:V-16 Cylinders / 4 Stroke / 4 Valve
Displacement:50 L
Rated Speed:1800 RPM
Aspiration Method:Turbocharged & Water-Air Intercooler
Emission Standard:IMO Tier 2/C1
Bore*Storke:159 mm * 159 mm
Packing Size(L*W*H):2794mm * 1507mm * 1846mm
Dry Weight:4851kg
Lead Time:15-30 Working Days
Payment Terms:T / T ,L / C

Engine Model

Advertised Power


Compression Ratio

Fuel System

K50 – DM10971097 kW (1470 HP) @ 1500 RPMTurbocharged & Water-Air Intercooler13.9 : 1Direct Injection CMI STC
K50 – DM12901290 kW (1730 HP) @ 1800 RPMTurbocharged & Water-Air Intercooler13.9 : 1PT


General Infomation of CCEC K50 – DM1290 Marine Auxiliary Engine

Engine ModelK50 – DM1290ConfigurationD283036MX02
Curve No. D(M) – 6886CPL Code3729
Displacement3079 in3 / 50 LBore * Stroke159 mm * 159 mm / 6.26 in * 6.26 in
Fuel SystemPTCylinders16
Prime Power1290 kW (1730 HP) @ 1800 RPMAspirationTurbocharged & Water-Air Intercooler
Average Noise Level – Top (Idle)90 dBA @ 1mAverage Noise Level – Top (Rated)100 dBA @ 1m
Average Noise Level – Right Side (Idle)89 dBA @ 1mAverage Noise Level – Right Side (Rated)98 dBA @ 1m
Average Noise Level – Left Side (Idle)90 dBA @ 1mAverage Noise Level – Left Side (Rated)98 dBA @ 1m
Rating TypePrime PowerOverloadRating TypePrime PowerOverload
Rated Engine Power1730 HP / 1290 kW1900 HP / 1417 kWRated HP Production Tolerance± 5 %N / A
Rated Engine Torque5048 lb.·ft.  / 6844 N·m5544 lb.·ft.  / 7516 N·mGoverned Engine Speed1800 RPMN / A
Brake Mean Effective Pressure247 PSI / 1705 kPa272 PSI / 1872 kPaIdle Speed Range725 – 775 RPMN / A
Piston Speed1563 ft/min / 7.9 m/secN / ACompression Ratio13.9 : 1N / A
Maximum Torque Capacity from Front of Crank23202 lb.·ft.  / 4341 N·mN / AFiring Order1R-1L-3R-3L-2R-2L-5R-4L-8R-8L-6R-6L7R-7L-4R-5LN / A
Steady State Stability Band at Constant Load0.25 %N / AWeight Dry – Engine Only4853 kg / 10700 lbN / A

Performance Curve CCEC k50-DM1290 Marine Auxiliary Engine

System Technical Data of CCEC K50 – DM1290 Marine Auxiliary Engine

Fuel SystemPrime PowerOverload
Approximate Fuel Flow to Pump161.0 GAL/hr / 609.5 L/hr161.0 GAL/hr / 609.5 L/hr
Maximum Allowable Fuel Supply to Pump Temperature140 °F / 60 °C140 °F / 60 °C
Approximate Fuel Flow Return to Tank77.9 GAL/hr / 294.8 L/hr69.8 GAL/hr / 264.3 L/hr
Approximate Fuel Return to Tank Temperature162 °F / 72 °C162 °F / 72 °C
Fuel Rail Pressure145 PSI / 1000 kPa166 PSI / 1146 kPa
Average Fuel Consumption- Emissions ISO 8178 D2 Test Cycle42.6 GAL/hr / 161.4 L/hrN / A
Air SystemPrime PowerOverload
Intake Manifold Pressure65 in. Hg / 219 mm Hg66 in. Hg / 222 mm Hg
Intake Air Flow3829 CFM / 1807 L/sec3983 CFM / 1880 L/sec
Heat Rejection to Ambient4200 BTU/min / 74 kW5000 BTU/min / 88 kW
Exhaust SystemPrime PowerOverload
Exhaust Gas Flow9311 CFM / 4394 L/sec9918 CFM / 4681 L/sec
Exhaust Gas Temperature (Turbine Out)834 °F / 446 °C872 °F / 467 °C
Exhaust Gas Temperature (Manifold)1100 °F / 594 °C1155 °F / 624 °C
Heat Rejection to Exhaust59940 BTU/min / 1053 kW65872 BTU/min / 1157 kW
Emissions (in accordance with ISO 8178 Cycle D2)
NOx (Oxides of Nitrogen)6.843 g/kw—hr / 5.103 g/bhp—hrN / A
HC (Hydrocarbons)0.299 g/kw—hr / 0.223 g/bhp—hrN / A
CO (Carbon Monoxide)0.558 g/kw—hr / 0.416 g/bhp—hrN / A
Emissions (in accordance with ISO 8178 Cycle E2)
NOx (Oxides of Nitrogen)7.220 g/kw—hr / 5.384 g/bhp—hrN / A
HC (Hydrocarbons)0.249 g/kw—hr / 0.186 g/bhp—hrN / A
CO (Carbon Monoxide)0.505 g/kw—hr / 0.376 g/bhp—hrN / A
Cooling SystemPrime PowerOverload
Sea Water Pump SpecificationsMAB 0.08.17 – 07 / 16 / 2001N / A
Pressure Cap Rating (With Heat Exchanger Option)15 PSI / 103 kPaN / A
Main Engine Circuit
Coolant Flow to Engine Heat Exchanger (with open thermostat)295 GAL/min / 1117 L/minN / A
Standard Thermostat Operating Range (Start to Open)180 °F / 82 °CN / A
Standard Thermostat Operating Range (Full Open)202 °F / 95 °CN / A
Heat Rejection to Engine Coolant3481 kW / 27367 BTU/min509 kW / 28980 BTU/min
Aftercooler (LTA) Circuit
Coolant Flow to LTA Cooler (with open thermostat)76 GAL/min / 288 L/minN / A
LTA Thermostat Operating Range (Start to Open)145 °F / 63 °CN / A
LTA Thermostat Operating Range (Full Open)175 °F / 80 °CN / A
Heat Rejection to Engine Coolant3227 kW / 12908 BTU/min250 kW / 14250 BTU/min
Maximum Coolant Inlet Temperature from LTA Cooler – For Keel Cooled160 °F / 71 °CN / A

Scopes of Supply of CCEC K50 – DM1290 Marine Auxiliary 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

Optional Accessories of CCEC K50 – DM1290 Marine Auxiliary Engine

Exhaust System1. SilencerPower  System1. Battery
Fuel System1. Float Fuel TankCooling System1. Radiator
2. Oil – Water Separator2. Cooling Fan
3. Manual Fouling Pump3. Sea Water Pump
4. Fuel Inlet and Outlet Hose4. Heat Exchanger
Remote Control System1. Sea Water Pump
2. Heat Exchanger

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:

Modifiable components of CCEC K50 – DM1290 Marine Auxiliary Engine

Air Intake System1. Installation Position of Air FilterStarting System1. 12 V Starter Motor for 12 V Electric System
2. Upgrade to Heavy – Duty Type Air Fitler2. Upgrading to Specified Brand and Speicifications of Starter Motor
Exhuast System1. Can Modify Installation Position and Direction of TurbochargerCharging System1. 12 V Charging Alternator for 12 V Electric System
2. Water – Cooled Exhuast Manifold2. Explosion – Proof Charging Alternator
3. Water – Cooled Turbocharger3. Upgrading to Specified Brand and Speicifications of Charging Alternator
Fuel System1. Upgrade to Fuel Fitler That Integrated With Fuel Transfer Pump and Fuel Pre – HearterEngine Auiliary Accessories1. Additional Auxiliary Systems Can Be Added for Special Applications
Engine Shut-Down System1. 12 V Solenoid for 12 V Electric SystemCooling System1. Can Modify Engine Into Keel Cooling System
2. Explosion – Proof Solenoid2. N / A
Lubricating System1. Oil Pan PositionPower Output System1. Can Modify Size of Flywheel Housing and Flywheel.
2. Number of Dipstick2. Dual – Ear Flywheel Housing (for Twin – Starter System)
3. Position of Dipstick Can Choose From 6 Positions3. Some of Models Can Modify Flywheel Housing Into Pto Integrated Type
4. Can Modify Oil Filter to Be Remote Installation4. Engine Have Connecting Port of Ptos, That Able to Provide Power Output
Engine Mounting System1. Can Modify Engine Mouting Bracket

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.

WhatsApp Online logo

Sales Team

Marine Sales - Mrs.Gazit Wong 

Railway Sales -Mrs.Gazit Wong 

Industrial Sales - Mrs.Kitty Chen

Generator Sales - Mrs. Erica WhatApp-Icon

Spare Parts-Mrs.Nora Chen

Pump Sales - Ryen

Automotive Sales - Wells

Sales Manager - Mrs. Wendy Fu

Ventas españolas - Victoria

Sales Director - Mr. Jasper Lee      

Contact EMAC Now!

9 + 5 =

Subscribe To Our Newsletter

Subscribe To Our Newsletter

Subscribe to get the latest updates from

You have Successfully Subscribed!

Pin It on Pinterest