H Series Marine Engine

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H Series

Marine Engine Power range: 63-162 kW

Description

The H series marine engine was jointly designed and developed by SDEC and UK Ricardo combining Chinese market demands and internationally proven technologies of advanced Ricardo engines. It is a world first-class power platform manufactured by adopting the GPDP development process and SAIC MOTOR manufacturing standards.

This series marine engine features a compact structure, strong power, low vibration noise, etc., whose technical indexes are all in the leading position in China. It is applied to small inland transportation boat, coastal fishing boat, high speed boat, passenger ship and other ships, as well as 63-162 kW marine generator sets.

Model	SC4H	SC7H
Type	In-Line Type, Water-Cooled, 4-Stroke, Wet Cylinder Liners
Bore/Stroke	105x124mm
Min. Fuel Consumption	192g/kW.h
Starting Method	Electric Start
Firing Sequence	1-5-3-6-2-4
Noise	≤102dB(A)
Crankshaft Rotation Direction (facing the flywheel)	Counterclockwise
Cylinder No.	4, 6
Displacement	4.3L/6.5L
Oil Consumption	0.3g/kW.h
Turbocharged	CCS/IMOⅡ
Flywheel and Flywheel Housing	SAE3#11.5# / SAE1#14#
Engine Overhaul Period	20000h
Net Weight	460kg/675kg
Dimensions (LxWxH)	1047x751x1056mm	1287x730x1180mm

With four-valve structure, centrally and vertically arranged fuel injector and new fuel mixing technology, this engine delivers high air intake efficiency, uniform atomization and good load transient response. Its working efficiency is improved by 12%.
The maximum torque is over l000N.m, and the torque reserve is as high as 36%, which is 20% higher than similar products.
The power and economy are both considered under common working conditions, and the minimum fuel consumption is 192g/kW.h.
A 180 BAR high combustion pressure design makes its environmental adaptability 7% higher than the similar products. Without auxiliary air intake heating device, the cold starting temperature is -15℃.
Frame type high strength alloy engine body, one-piece cylinder head and rear gear chamber result in small volume, light weight, high reliability and a noise of 3dB (A) lower than similar products.
By reference to SPS manufacturing standard of German Volkswagen, the average overhaul period is over 15000h, which is 50% longer than similar products.

Model	Type	Displacement (L)	Rated Power（KW）	Rated Power（HP）	Speed (rpm)	Aspiration	Fuel Control System	Output Interface	Weight (kg)	Certificate	Emission
SC4H100CA	4 Cylinders / In-Line	4.3	63	85	1500	T	Mechanical	SAE 1#/14' or SAE 3#/11.5'	495	CCS	/
SC4H110CA	4 Cylinders / In-Line	4.3	70	95	1800	T	Mechanical		495	CCS	/
SC4H100CA2	4 Cylinders / In-Line	4.3	64	87	1800	TA	Mechanical		540	CCS	/
SC4H110CA2	4 Cylinders / In-Line	4.3	70	95	1800	TA	Mechanical			CCS	/
SC4H125CA2	4 Cylinders / In-Line	4.3	80	108	1500	TA	Mechanical			CCS	/
SC4H140CA2	4 Cylinders / In-Line	4.3	90	122	1500	TA	Mechanical			CCS	/
SC4H150CA2	4 Cylinders / In-Line	4.3	98	133	1800	TA	Mechanical			CCS	/
SC4H170CA2	4 Cylinders / In-Line	4.3	110	150	1800	TA	Mechanical			CCS	IMO TIER II
SC7H175CA2	6 Cylinders / In-Line	6.5	112	152	1500	TA	Mechanical		675	CCS	IMO TIER II
SC7H190CA2	6 Cylinders / In-Line	6.5	121	165	1800	TA	Mechanical			CCS	IMO TIER II
SC7H195CA2	6 Cylinders / In-Line	6.5	125	170	1500	TA	Mechanical			CCS	IMO TIER II
SC7H220CA2	6 Cylinders / In-Line	6.5	140	190	1800	TA	Mechanical			CCS	IMO TIER II
SC7H235CA2	6 Cylinders / In-Line	6.5	150	204	2100	TA	Mechanical			CCS	IMO TIER II
SC7H250CA2	6 Cylinders / In-Line	6.5	162	220	2300	TA	Mechanical			CCS	IMO TIER II

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