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.
Specification
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 |




Product Description
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 |
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 |
Features
- 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 -15ºC
Why Choose us?
- Competitive Pricing: 15-20% lower than market rates without compromising quality.
- Certified Quality: ISO 9001 certification, authorized Yuchai distributor & service provider.
- End-to-End Solutions: Design, production, installation, and after-sales support.
- Proven Expertise: Serving industries like marine, data centers, telecom, oilfields, hospitals, and government sectors. Clients include China Telecom, COSCO, etc.
- Global Reach: Products exported to Southeast Asia, Africa, the Middle East, and South America.
If you have any needs for our products, please click on our contact information, and we will provide you with comprehensive information on technology, business, after-sales, product configuration and other aspects in the most professional way!
Certifications

FAQ
Q1.What is your MOQ of this item?
A: 1 set
Q2. How long is your delivery time?
A:15-30 days after deposit received.
Q3: What is your terms of payment ?
A: T/T 30% in advance and TT 70% balance paid before shipment.
Q4: What is your warranty period?
A: Our payment terms is 1 year or 1500 running hours whichever comes first. But based on some special project, we can extended our warranty period.
Q5: Do you offer OEM service?
A: Yes
Q6:How is your package?
A:Package with standard export wooden case.
Company Profile

Shanghai Diesel Engine Co., Ltd. (SDEC), with SAIC Motor Corporation Limited as its main shareholder, is a large state-owned high tech enterprise engaged in research and development and manufacture of engines, engine parts and generator sets, possessing a state-level technical center, a postdoctoral working station, world-level automatic production lines and passage cars standards quality assurance system. Its former was Shanghai Diesel Engine Factory that was established in 1947 and was restructured into a stock-shared company in 1993 with shares of A and B.
In its more than 70 years'development, SDEC's products have been used all over the world. SDEC now has nine series of high-quality diesel and natural gas engines, i.e. M, R, H, D, C, E, G ,K and W series. These series engines with power outputs of 50 to 1,800 kW are mainly applied to trucks, buses, construction machinery, generator sets, marine application and agricultural equipment. SDEC is always devoting to constant improvement of product quality and striving to forge a quality-leading supplier of power solution of diesel and new energy in China.
About Cheongfa
Established in 2020, Yangjiang Cheongfa Marine and Genset Power Co., Ltd. specializes in R&D, production, and engineering of diesel genset/gas generator sets for global industries.
We deliver tailored solutions, including silent, containerized, trailer-mounted, and desert-optimized systems, alongside noise/vibration control and emission treatment technologies.
Trusted by clients like China Telecom, Tencent, and CNOOC, our products power sectors ranging from data centers and marine operations to healthcare and environmental protection.
With a footprint in Southeast Asia, Africa, South America, and the Middle East, Cheongfa guarantees reliability through end-to-end quality assurance from design to maintenance.