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DCEC 6BT5.9 Marine Main Engine

DCEC 6BT5.9 series marine main engine is a 6-cylinders in line, 5.9 liters four-strokes engine with 102 mm bore and 120 mm stroke. DCEC series marine main engine equipped with Weifu fuel pump and RSV governor. The prime power range of DCEC 6BT5.9 series marine main engine is from 120 HP to 150 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.

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General Specifications of 6BT5.9 Series

Engine Type:6 Cylinders, in Line
Displacement:5.9 L
Bore * Stroke:102 mm * 120 mm
Advertised Power:120 – 150 HP @ 2200 RPM
Peak Torque:430 – 616 N.m @ 1400 – 1600 RPM
Rated Speed:2200 RPM
Emissision:Euro II
Aspiration Method:Turbocharged & Water-Air Intercooler
Wet Weight:443 kg
Dimission Standards:1020 mm * 601 mm * 1201 mm
DCEC 6BT5.9 Marine Main Engine Catalogue

Engine Model

Rated Power

Peak Torque

Engine Model

Rated Power

Peak Torque

6BT5.9-M120120 Hp @ 2200 RPM430 N.m @ 1600 RPM6BTA5.9-M150150 Hp @ 2200 RPM616 N.m @ 1400 RPM
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DCEC 6BT5.9 Series Marine Main Engine

This list including all models of DCEC 6BT5.9 Series Marine Main Engine.
Click here to find marine engines by type (Fuel System & Power Range).

6BT5.9-M120 Marine Engine

6BT5.9-M120 Marine Engine

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

6BTA5.9-M150 Marine Engine

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

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