China Sdec Electric Start 6 Cylinder 800HP Boat Diesel Motor

• Customization: Available
• After-sales Service: Overseas Third-Party Support Available
• Warranty: 1 Year or 1500 Running Hours Which Come First
• Model NO.: SC25K
• Ignition Mode: Electric Ignition
• Speed: High Speed
• Cooling Cylinder: Water-Cooled
• Intake Pressure Impulse: Turbo-Charged
• Piston Movement: Reciprocating
• Fuel: Diesel
• Number of Strokes: Four-Stroke
• Cylinder Arrangement Form: L
• Number of Cylinders: 6-Cylinder
• Type: Combustion Engine
• Displacement: 25.2L
• Bore/Stroke: 170X185mm
• Certificate: CCS
• OEM: Acceptable
• Net Weight: 2850kg
• Transport Package: Wooden Case
• Specification: 2108x1088x1659mm
• Trademark: sdec
• Origin: China
• HS Code: 8408100000
• Production Capacity: 500PCS/Month
• Package Size: 1500.00cm * 1500.00cm * 1500.00cm
• Package Gross Weight: 500.000kg

Product Description

Product Description

 

The K series engine is a medium to high speed marine diesel engine developed by SDEC, relying on many years of experience in marine engine design and development, and absorbing excellent and mature technologies from both home and abroad. The marine engine can adapt to various working conditions, and features superior performance compared with similar engines in the industry. It's characterized by compact structure, high reliability, low noise, improved fuel efficiency, aesthetic appearance, and is applicable to various inland cargo ships, fishing boats, engineering ships, transportation ships, 300-600kW marine generator sets, etc.

 

Techical Parameters

 

Type	In-Line Type, Water-Cooled, 4-Stroke, Wet Cylinder Liners
Bore/Stroke	170x185mm
Min. Fuel Consumption	185g/kW.h
Starting Method	Air Start, Electric Start, Air/Electric Start
Firing Sequence	1-5-3-6-2-4
Noise	≤115dB(A)
Crankshaft Rotation Direction (facing the flywheel)	Counterclockwise
Cylinder No.	6
Displacement	25.2L
Oil Consumption	0.5g/kW.h
Certificate	CCS/IMO2
Flywheel and Flywheel Housing	SAE0#&18#
Engine Overhaul Period	20000h
Dimensions (LxWxH)	2108x1088x165mm
Net Weight	2850kg

 

Product Feature

•  

• Manufactured according to high standards, advanced and reliable
  The K series was developed strictly according to SAIC's GPDP standard process. With an integrated engine design, the marine engine comes with high-strength body and cylinder head, and forged steel crankshaft, and core components which are all supplied by well-known brands. It has an average engine overhaul period of over 20000 hours.
   

  
   
  

  Strong power and high fuel efficiency
  Designed with four valves, dual turbocharged structure, fully efficient air intake, and dual electronic control unit, etc., the marine engine are available with two types including high power engine with electronically controlled high pressure common rail, and low power engine with electronically controlled pump. With wide power and torque range, the engine is applicable to various working conditions with medium and heavy load requiring high torque. The minimum fuel consumption reaches 190g/kW•h, which saves more than 10% fuel than similar products in the market.
  Strong adaptability and various configuration
  Users choose different models according to different working conditions, among which 33W marine engine is suitable for high speed working conditions, and 38W is suitable for medium to low speed working conditions. Engine starting method, output interface, seawater pump with different flow rates, anti-corrosion cooling system, pre supply oil pump and other configurations are optional.
  Comfortable and environmentally friendly, superior NVH (Noise, Vibration and Harshness)
  The engine has a compact structure and attractive appearance. The NVH optimization design of the engine effectively reduces vibration and noise, improving the comfort of crew and passengers.
  Long interval maintenance in a convenient manner
  Due to modular design, extremely few faults will occur. The marine engine is designed with one cylinder and one head, making operation and maintenance more convenient.

  

  Related Products

  

  

  
   

  K Series Marine Engine

  
   

  SDEC Power Series

  

  Certifications

   

  

  Company Profile

  Shanghai Diesel Engine Co., Ltd., was founded in 1947 and is now affiliated to SAIC Motor Corporation. In 1993, it was restructured into a state-owned holding company that issues A and B shares at home and abroad.  The company owns the industry's first national-level technology center and post-doctoral workstation, adopts SAIC passenger car standard quality management system and advanced automated production lines. In the course of 75 years of development, it has produced more than 2.35 million engines of various types, with products all over the world.
  The company has always been committed to providing high-quality power products, constantly creating value and wealth for customers, and always insisting and striving to become a leading quality diesel engine and new energy power solution provider in China.
  

  About Cheongfa

  ·Yanngjiang Cheongfa Marine & Genset Power Co., Ltd. is a premier manufacturer of diesel generator sets and gas-powered generator systems, specializing in R&D, production, and integrated power solutions.
  ·Our expertise covers end-to-end solutions: power system design, noise/vibration control, flue gas treatment, and waste heat recovery. Supported by advanced manufacturing and testing facilities, we deliver tailored genset room layouts, environmental compliance, and exhaust/intake systems.
  ·Cheongfa serves industries such as data centers, telecom, marine, oilfields, mili tary, utilities, and infrastructure. Clients include China Telecom, Tencent, and CNOOC, with projects across Southeast Asia, Africa, South America, and the Middle East.
  ·Committed to innovation and quality, we ensure excellence from design to after-sales support, backed by a structured management system covering production, sales, and engineering services.    

  

  

  

  

  

  FAQ

  Q1: Are your engines genuine Yuchai/Shangchai products?
  Yes! We are an authorized distributor of Yuchai and Shangchai, supplying 100% OEM engines with complete traceability. All products include original factory warranties.
  
  Q2: What's your payment terms?
  Bulk orders: 30% deposit + 70% before shipment.
   

  Q3: What's the lead time for engines/generators?

  Standard models: 15-30 days after payment.

  Customized units (e.g., voltage/frequency adjustments): 30-45 days.
   

  Q4:Do you provide after-sales service and spare parts?
  -Global technical support via WhatsApp/Email.
  -10-year spare parts supply guarantee for all models.
  -Local service partners for faster response.
  
  Q5:Any quality certifications?

  -Yuchai/Shangchai factory certifications.

  -ISO 9001, ISO 14001, CE, SONCAP.