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DCEC Marine Engine

No matter using as marine main engines, or using as marine auxiliary engines, DCEC marine engines are able provide increased power-to-weight ratios, cleaner starts and less noise. DCEC marine engines provides B, C, L series engine for customers to choose. DCEC marine engines covering displacement from 3.9 to 8.9 liters, with power range from 47kW to 253kW.
DCEC employs an experienced team of technical and market experts focused on the marine industry and its customers. Factory trained Marine Application Engineers will help you select the right spec for your vessel and Qualified Marine Technicians keep you up and running once in service.
DCEC offers a complete line of propulsion, generating set and auxiliary power solutions designed specifically for the challenges of marine applications. Because
we understand customer needs and operating conditions vary, SeaMac also offer custom generator set packaging with various different classification societies.
Our in-house engineering experts provides custom complete solutions from marine main engine, gearbox, main shaft, propeller and complete generator set. Based on customer’s requirement, SeaMac provides one-stop solutions covers from pre-design to components supply, from installation to commissioning, from pre-sales communication to after-sales service support, Our one-stop solution not only significant improve operation efficiency, but also help customers to aviod mismatching problems caused by multiple independent suppliers of different components, which often caused lot of troubles for shipyards.
All of DCEC marine auxiliary engines and generator set are available for an unlimited number of hours per year in variable load applications. Variable load is not to exceed a 70 percent average of the rated power during any operating period of 250 hours. Total operating time at 100 percent Prime Power shall not exceed 500 hours per year.

Advantages of Marine Engine

A 10 percent overload capability is available for a period of one hour within a 12 hour period of operation. Total operating time at the 10 percent overload power shall not exceed 25 hours per year. This power rating conforms to ISO 8528 guidelines.
Based on DCEC marine engines, Seamac provides fully integrated support at all stages of a new build or repower project, from vessel concept to installation, commissioning and sea trial. We work closely with partner suppliers, including gear manufacturers and system integrators to ensure proper engine selection, application and installation. Seamac, your reliable one-stop marine propulsion and power system solution provider.

Find Marine Engines by Series

This is the list of all series of DCEC marine engines.
Click here to find marine engines by type (Fuel System & Power Range).

6BT5.9-M | 120-150 HP

DCEC 6BT5.9-M120 Marine Engine

DCEC 6BT5.9-M120 Marine Engine

Rated Power: 120HP @ 2200 RPM
Max. Torque: 430N.m @ 1600 RPM
Fuel Pump: Weifu AD Pump
Governor: RSV Mech.
Aspiration: Turbocharger

DCEC 6BTA5.9-M150 Marine Engine

DCEC 6BTA5.9-M150 Marine Engine

Rated Power: 150 Hp @ 2200 RPM
Max. Torque: 616 N.m @ 1400 RPM
Fuel Pump: Weifu AD Pump
Governor: RSV Mech.
Aspiration: TC & Water-Air Intercooler

6CTA8.3-M | 188-254 HP

DCEC 6CTA8.3-M188 Marine Engine

DCEC 6CTA8.3-M188 Marine Engine

Rated Power: 188 Hp @ 2328 RPM
Max. Torque: 732 N.m @ 1500 RPM
Fuel Pump: BYC PB Pump
Governor: R801 Mech.
Aspiration: TC & Water-Air Intercooler

DCEC 6CTA8.3-M205 Marine Engine

DCEC 6CTA8.3-M205 Marine Engine

Rated Power: 205 Hp @ 2328 RPM
Max. Torque: 828 N.m @ 1500 RPM
Fuel Pump: BYC PB Pump
Governor: R801 Mech.
Aspiration: TC & Water-Air Intercooler

DCEC 6CTA8.3-M220 Marine Engine

DCEC 6CTA8.3-M220 Marine Engine

Rated Power: 220 Hp @ 1800 RPM
Max. Torque: 1000 N.m @ 1500 RPM
Fuel Pump: BYC PB Pump
Governor: RSV Mech.
Aspiration: TC & Water-Air Intercooler

DCEC 6CTAA8.3-M260 Marine Engine

DCEC 6CTAA8.3-M260 Marine Engine

Rated Power: 254 HP @ 2134 RPM
Max. Torque:1125 N.m @ 1400 RPM
Fuel Pump: Weifu PW2000 Pump
Governor: RQV-K Mech.
Aspiration: TC & Air-Air Intercooler

6LTAA8.9-M | 308-315 HP

DCEC QSB6.7-C220 Industrial Engine

DCEC QSB6.7-C220 Industrial Engine

Rated Power: 220 HP @ 2200 RPM
Max. Torque: 949 N.m @ 1500 RPM
Fuel System: Cummins MCRS
Aspiration: TC & Air-Air Intercooler
Emission Standard: EU Stage III

DCEC 6LTAA8.9-M300 Marine Engine

DCEC 6LTAA8.9-M300 Marine Engine

Rated Power: 300 BHP @ 1800 RPM
Max. Torque: 1295 N.m @ 1800 RPM
Fuel Pump: Weifu PW2000 Pump
Governor: RQV_K Mech.
Aspiration: TC & Air-Air Intercooler

DCEC 6LTAA8.9-M315 Marine Engine

DCEC 6LTAA8.9-M315 Marine Engine

Rated Power: 315 BHP @ 2134 RPM
Max. Torque: 1350 N.m @ 1400 RPM
Fuel Pump: Pausch P7100 Pump
Governor: RQV–K Mech.
Aspiration: TC & Air-Air Intercooler

QSL8.9-M | 308 HP

4BT3.9-GM | 47-56 KW

4BTA3.9-GM47 Auxiliary Engine

4BTA3.9-GM47 Auxiliary Engine

Rated Power: 63 BHP @ 1500 RPM
Max. Torque: 214 g / kW.h @ 1500 RPM
Fuel Pump: BYC A Pump
Governor: GAC 24 V Mech.
Aspiration: TC & Water-Air Intercooler

DCEC 4BTA3.9-GM65 Auxiliary Engine

DCEC 4BTA3.9-GM65 Auxiliary Engine

Rated Power: 87 BHP @ 1800 RPM
Max. Torque: 219 g / kW.h @ 1800 RPM
Fuel Pump: BYC A Pump
Governor: GAC Mech.
Aspiration: TC & Water-Air Intercooler

6BT5.9-GM | 80-115 KW

DCEC 6BT5.9-GM80 Auxiliary Engine

DCEC 6BT5.9-GM80 Auxiliary Engine

Rated Power: 80 kW @ 1500 RPM
Max. Torque: 216 g / kw.h @ 1500 RPM
Fuel Pump: BYC PB Pump
Governor: GAC 24 V Mech.
Aspiration: Turbocharger

DCEC 6BT5.9-GM83 Auxiliary Engine

DCEC 6BT5.9-GM83 Auxiliary Engine

Rated Power: 83 kW @ 1500RPM
Max. Torque: 216 g / kw.h @ 1500 RPM
Fuel Pump: BYC A Pump
Governor: GAC Mech.
Aspiration: Turbocharger

DCEC 6BTA5.9-GM100 Auxiliary Engine

DCEC 6BTA5.9-GM100 Auxiliary Engine

Rated Power: 100kW @ 1500RPM
Max. Torque: 213 g / kw.h @ 1500 RPM
Fuel Pump: BYC A Pump
Governor: GAC Mech.
Aspiration: TC & Water-Air Intercooler

DCEC 6BTA5.9-GM120 Auxiliary Engine

DCEC 6BTA5.9-GM120 Auxiliary Engine

Rated Power: 132 kW @ 1800RPM
Max. Torque: 213 g / kw.h @ 1800RPM
Fuel Pump: BYC A Pump
Governor: GAC Mech.
Aspiration: TC & Water-Air Intercooler

DCEC 6BTAA5.9-GM115 Auxiliary Engine

DCEC 6BTAA5.9-GM115 Auxiliary Engine

Rated Power: 127 kW @ 1500RPM
Max. Torque: 212 g / kw.h @ 1500 RPM
Fuel Pump: BYC PB Pump
Governor: GAC Mech.
Aspiration: TC & Air-Air Intercooler

6CTA8.3-GM | 115-175 KW

DCEC 6CT8.3-GM129 Auxiliary Engine

DCEC 6CT8.3-GM129 Auxiliary Engine

Rated Power: 129 kW @ 1800 RPM
Max. Torque: 222 g / kW.h @ 1800 RPM
Fuel Pump: BYC PB Pump
Governor: GAC 24 V Mech.
Aspiration: Turbocharger

DCEC 6CTA8.3-GM155 Auxiliary Engine

DCEC 6CTA8.3-GM155 Auxiliary Engine

Rated Power: 155 kW @ 1500 RPM
Max. Torque: 214 g / kW.h @ 1500 RPM
Fuel Pump: BYC PB Pump
Governor: GAC Mech.
Aspiration: TC & Water-Air Intercooler

DCEC 6CTA8.3-GM175 Auxiliary Engine

DCEC 6CTA8.3-GM175 Auxiliary Engine

Rated Power: 175 kW @ 1800 RPM
Max. Torque: 218 g / kW.h @ 1800 RPM
Fuel Pump: BYC P7100 Pump
Governor: GAC 24 V Mech.
Aspiration: TC & Water-Air Intercooler

6LTAA8.9-GM | 200-215 KW

DCEC 6LTAA8.9-GM200 Auxiliary Engine

DCEC 6LTAA8.9-GM200 Auxiliary Engine

Rated Power: 200 kW @ 1500 RPM
Max. Torque: 206 g / kW.h @ 1500 RPM
Fuel Pump: BYC P7100 Pump
Governor: GAC 24 V Mech.
Aspiration: TC & Air-Air Intercooler

DCEC 6LTAA8.9-GM215 Auxiliary Engine

DCEC 6LTAA8.9-GM215 Auxiliary Engine

Rated Power: 215 kW @ 1800 RPM
Max. Torque: 212 g / kW.h @ 1800 RPM
Fuel Pump: BOSCH P7100 Pump
Governor: RQV_K FORTRUST Mech.
Aspiration: TC & Air-Air Intercooler

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Sales Team


Generator Engine - Mr. Haden Wu

Marine Engine - Mrs. Hailey Tang

Automotive Engine - Mr. Wells Luo

Industrial Engine - Mrs. Luna Fu

Pump Engine - Miss. Zora Zhou

Engine Parts-Miss. Nora

Sales Director - Mr. Jasper Lee      

Service Team


Technical Service - Mr. Vin Hu

Customer Service - Mrs. Wendy Fu

Contact EMAC Now!

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