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DCEC 6CTA8.3 Marine Main Engine

DCEC 6CTA8.3 series marine main engine is a 6-cylinders in line, 8.3 liters four-strokes engine with 114mm bore and 135mm stroke. DCEC 6CTA8.3 series marine main engine equipped with Weifu (or BYC) fuel pump. The prime power range of DCEC 6CTA8.3 series marine main engine is from 188 HP to 260 HP.

DCEC marine main engines have different configurations which have different power output, with code T in the engine model name means turbocharged engine, code TA in the engine model means turbocharge with water-air intercooler and code TAA in the engine model means turbocharge with air-air intercooler. Based on standard DCEC marine main engines, SeaMac provides both heat exchanger cooling and keel cooling marine main 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 main 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 6CTA8.3 Marine Engine

1. With advanced design and exquisite manufacturing process, the engine features high reliability and durability, adaptable to high-strength and heavy-duty operations under severe working conditions.

2. With integral cylinder design, parts are about 25% less than similar products, featuring lower failure rate and easier maintenance.

3. High-pressure fuel pump enables complete combustion under high injection pressure, featuring low energy loss, strong power, high fuel adaptability and lower emissions.

4. With advanced design, the power per liter is increased up to 23.4 kW / liter.

DCEC 6CTA8.3 Series Marine Main Engine

This list including all models of DCEC 6CTA8.3 Series Marine Main Engine.
Click here to find marine engines by type (Fuel System & Power Range).

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

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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

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