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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 Type

This is the list of all types of DCEC marine engines.
Click here to find marine engines by series.

Mechanical Marine Main Engine

6BT5.9 Marine

6BT5.9 Marine

Engine Type: 6 Cylinders
Displacement: 5.9 L
Bore x Strock: 102 mm * 120 mm
Rated Power: 120 HP to 150 HP
Emission Standard: N/A

6CTA8.3 Marine

6CTA8.3 Marine

Engine Type: 6 Cylinders
Displacement: 8.3 L
Bore x Strock: 114 mm * 135 mm
Rated Power: 188 HP to 254 HP
Emission Standard: N/A

6LTAA8.9 Marine

6LTAA8.9 Marine

Engine Type: 6 Cylinders
Displacement: 8.9 L
Bore x Strock: 114 mm * 145 mm
Rated Power: 300 HP to 315 HP
Emission Standard: N/A

Electronic Marine Main Engine

QSL8.9 Marine

QSL8.9 Marine

Engine Type: 6 Cylinders
Bore x Strock: 114 mm * 145 mm
Displacement: 8.9 L
Rated Power: 313 HP
Emission Standard: N/A

Mechanical Marine Auxiliary Engine

4BT3.9 Auxiliary

4BT3.9 Auxiliary

Engine Type: 4 Cylinders
Displacement: 3.9 L
Bore x Strock: 102 mm * 120 mm
Rated Power: 47 kW to 72 kW
Emission Standard: N/A

6BT5.9 Auxiliary

6BT5.9 Auxiliary

Engine Type: 6 Cylinders
Displacement: 5.9 L
Bore x Strock: 102 mm * 120 mm
Rated Power: 80 kW to 132 kW
Emission Standard: N/A

6CTA8.3 Auxiliary

6CTA8.3 Auxiliary

Engine Type: 6 Cylinders
Displacement: 8.3 L
Bore x Strock: 114 mm * 135 mm
Rated Power: 115 kW to 175 kW
Emission Standard: N/A

6LTAA8.9 Auxiliary

6LTAA8.9 Auxiliary

Engine Type: 6 Cylinders
Displacement: 8.9 L
Bore x Strock: 114 mm * 135 mm
Rated Power: 200 kW to 215 kW
Emission Standard: N/A

Electronic Marine Auxiliary Engine

Products Not Available

The relevant products still under developing or waiting to be update, please contact our sales team for latest updates.

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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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