Hot Selling Water Cooled 6 Cylinder 490kw Marine Diesel Engine for Sale

• Customization: Available
• After-sales Service: Overseas Third-Party Support Available
• Warranty: 1 Year or 1500 Running Hours Which Come First
• Model NO.: SC33W680CA2
• 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: 32.8L
• Bore/Stroke: 180X215mm
• Certificate: CCS
• OEM: Acceptable
• Net Weight: 3800kg
• Transport Package: Wooden Case
• Specification: 2453x1271x1951mm
• Trademark: sdec
• Origin: China
• HS Code: 8408100000
• Production Capacity: 500PCS/Month
• Package Size: 2483.00cm * 1300.00cm * 1981.00cm
• Package Gross Weight: 3850.000kg

Product Description

 

The W series engine is designed for meeting the high power demands of heavy duty marine power systems. It is a new generation of marine diesel engine which is researched and developed on the basis of mili-tary products, and by introducing and absorbing internationally advanced technology. Its various technical indexes all have reached advanced levels.

This series engine is characterized by outstanding fuel economy, high torque reserve, compact structure, high reliability, good emission, etc. It is widely used in inland and coastal shipping, fishing boats, working ships, passenger ships and other ships, as well as 490-792kW marine generator sets.

 

Product Feature

• 1. Four-valve per cylinder, P11 high quality oil pump and double turbocharger configuration can increase air flow to make the combustion more full. The minimum specific fuel consumption is 193g/kW.h and the oil consumption is 0.3g/kW.h, delivering low operating costs.
• 2. With a gantry type cylinder block structure and rear gear chamber, this engine has features of compact structure, high overall rigidity and smooth operation. And it is strictly checked and verified according to MHI standard with high reliability. And its power has improved by 17% compared with the domestic similar products. The torque is more than 4500N.m, the power covers a wide range, and the acceleration performance is good.
• 3. This engine is equipped with dual-layer high-pressure oil pipe, dual-booting flywheel house with optional single and dual booting and optional electric/manual priming oil pump, having complete configuration and wide application.
• 4. W series engine adopts one cylinder and one head structure and the overall appearance is simple, with good accessibility and convenient maintenance.

• Techical Parameters

  Model	SC33W/SC38W
  Type	In-Line Type, Water-Cooled, 4-Stroke, Wet Cylinder Liners
  Bore/Stroke	180x215mm/180x250mm
  Min. Fuel Consumption	190g/kW.h
  Starting Method	Air Start, Electric Start, Air/Electric Start
  Firing Sequence	1-5-3-6-2-4
  Noise	≤110dB (A)
  Crankshaft Rotation Direction (facing the flywheel)	Counterclockwise
  Cylinder No.	6
  Displacement	32.8L/38.2L
  Oil Consumption	0.5g/kW.h
  Certificate	CCS/IMO2
  Flywheel and Flywheel Housing	SAE0#&18#
  Engine Overhaul Period	20000h
  Net Weight	3800kg/4200kg
  Dimensions (LxWxH)	2453x1271x195mm (SC33W) 2487x1196x19461mm (SC38W)

• 

Detailed Photos

 

Related Products

W Series Marine Engine

Model	Type	Displacement	Rated power(KW)	Rated power(HP)	Speed(rpm)	fuel control system	Output interface	Weight(kg)	Cert.	Emission
SC33W680CA2	6 Cylinders / In-Line	32.8L	490	666	1350	Mechanical	SAE 0#/18'	3400	CCS	IMO TIER II
SC33W765CA2	6 Cylinders / In-Line	32.8L	561	763	1500	Mechanical			CCS	IMO TIER II
SC33W825.1CA2	6 Cylinders / In-Line	32.8L	588	800	1350	Mechanical			CCS	IMO TIER II
SC33W825CA2	6 Cylinders / In-Line	32.8L	595	810	1500	Mechanical			CCS	IMO TIER II
SC33W880.1CA2	6 Cylinders / In-Line	32.8L	640	870	1350	Mechanical			CCS	IMO TIER II
SC33W880CA2	6 Cylinders / In-Line	32.8L	640	870	1500	Mechanical			CCS	IMO TIER II
SC33W950CA2	6 Cylinders / In-Line	32.8L	690	938	1500	Mechanical			/	/
SC33W1000CA2	6 Cylinders / In-Line	32.8L	725	986	1500	Mechanical			/	/
SC33W1100CA2	6 Cylinders / In-Line	32.8L	792	1077	1500	Mechanical			/	/
SC38W880.12CA1	6 Cylinders / In-Line	38.2L	637	866	1200	EUP	SAE 0#/18'	4200	CCS	IMO TIER II
SC38W950.12CA1	6 Cylinders / In-Line	38.2L	686	933	1200	EUP			CCS	IMO TIER II
SC38W1000.12CA1	6 Cylinders / In-Line	38.2L	720	979	1200	EUP			CCS	IMO TIER II

 

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 (attached).

-ISO 9001, ISO 14001, CE, SONCAP (upon request).