D Series Marine Engine Manufacturer

D Series Marine Engine

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Description

The D638 series marine engine is designed for marine applications with requirements for low emission, noise, and high power output. The entire engine is compact and lightweight without sacrificing power. This series has as power range of 110kW-290kW and a speed range of 1500-2500r/min.

The D series marine engine applies to the main engine propulsion power of various high speed patrol boats, yachts, traffic boats, work boats, fishing boats, cargo boats and tugboats. It can also meet the power demands of marine generator sets and marine auxiliary power systems.

Outline dimensional drawing

L: 1458mm W: 823mm H: 1028mm

Technical parameters

Model	Aspiration method	Continuous power/speed kW/r/min	Overload power/speed kW/r/min	Unlimited Navigation Areas rated power/speed kW/r/min	Unlimited Navigation Areas max.power/speed kW/r/min	Min.fuel consumption g/kW.h	Oil consumption g/kW.h	Weight kg	Certificate
D683ZLCA3B	TA	225/2300	247.5/2369	219/2300	241/2369	215	≤0.4	800	CCS IMOⅡ
D683ZLCA8B	TA	234.5/2330	258/2400	228.5/2330	251/2400	215	≤0.4	800	CCS IMOⅡ
D683ZLCA9B	TA	264/2430	290/2500	259/2430	285/2500	220	≤0.4	800	CCS IMOⅡ

Bore x stroke	Displacement	Type	Aspiration	Steady speed governing rate (%)	Idling (r/min)	Exhaust temperature (℃)	Compression ratio	Oil capacity	Application
D683 114x135mm	8.3L	In-line, 6-valve	Turbocharged TA-Turbocharged and intercooler	Main engine: machinery ≤10% Auxiliary engine: ≤1%	700	500℃	16-17.3:1	17L	CA-main engine CF-auxiliary engine

Features

The 6-hole high pressure fuel injector is combined with a w-shaped combustion chamber to optimize air-fuel mixing. Adopting an efficient fuel cooler provides economic application range in a wide power range.
The designs of wet alloy cast iron cylinder liner, forging reinforced crankshaft, crankshaft bearing and connecting rod bearing with strong bearing capacity, water cooled exhaust manifold and electronic monitoring instrument monitored engine running are used to ensure the safe operation and minimize downtime of the engine.
Optimized combustion characteristics, coupled with a turbocharger and intercooling technologies can reduce the pressure rise rate during combustion and result in soft and full combustion.
High precisely machined parts enables engine operation smooth with low vibration and noise.
With compact bore spacing, low piston compression height and integrated design of parts, all the accessories are integrated on the cylinder block, making the size greatly reduced with light weight and convenient maintenance.

Authorized certification

This series engine has obtained CCS Certificate of China Classification Society.
This marine engine passed the certification of IMO emission standards of China Classification Society.

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