Fuel and Money Saving Yuchai 450HP Diesel Marine Engine for Yachts

• Customization: Available
• After-sales Service: Overseas Third-Party Support Available
• Warranty: 1 Year or 1500 Running Hours Which Come First
• Model NO.: YC6MK450L-C20
• 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: 10.338L
• Bore/Stroke: 123×145mm
• Certificate: CCS
• OEM: Acceptable
• Delivery Time: Within 30days
• Transport Package: Wooden Case
• Specification: 1702x1007x1103mm
• Trademark: Yuchai
• Origin: China
• HS Code: 8408100000
• Production Capacity: 500PCS/Month
• Package Size: 1730.00cm * 1037.00cm * 1130.00cm
• Package Gross Weight: 1030.000kg

Product Description

Product Features

·Safety and comfort
The equipped fresh water cooling jacket exhaust pipeensures lower cabin temperature and safer use.

·Fuel and money saving
1. The optimized fuel injection pump makes its fuelconsumption index far superior to that of domestic productsat the same power level. 2.The application of the four-valvetechnoloay ensures substantially increased flow area ofintake and exhaust: the central fuel iniector enables moreeven atomization and more sufficient combustion,3. Thevalve oil seal is added with Yuchai's proprietary piston ringseal and valve oil seal technologies, making theconsumption of lubricating oil over 50% lower than that ofdomestic products at the same power level.

·Reliability and durability
1.Following the demandina specifications for mechanicadevelopment verification,all its products have been subiecto more than ten tests during R&D, such as deep thermashock tests,hiah-temperature and alpine-cold tests.andcrankshaft fatiaue tests,2 The product is developed reliablwith European technoloay and in-depth and qeneralizedmechanical development procedures,enabling the overhauperiod of the engine is over 12000 hours.

 

Applicable vessel:  public service ships and yachts of 15~20m and tourist ships of 15~26m.

Application cases

21m sightseeing ships

20.5m sightseeing ships

21m coastal patrol ships

 

Techical Parameters

Model	YC6MK350L-C23	YC6MK450L-C20
Cylinder quantity - bore/stroke(mm)	6-123×145
DisplacementL	10.338
Number of valves per cylinder	4
Induction system	Turbocharged & intercooled
Rated power/speed(kW(Ps)/r/min)	257(350)/1800	331(450)/2100
Overload power/speed(kW(Ps)/r/min)	282(385)/1858	/
Min. specific fuel consumption of external characteristicsg/kW.h	≤195
Certificates	ZC,CCS,EIAPP,China II
Diemension(Length × width × height)(mm)	1702x1007x1103
Dry weight(kg)	1000

Related Products

Certifications

Company Profile

Founded in 1992, Guangxi Yuchai Machinery Co., Ltd. (Yuchai for short) is the first Chinese-foreign joint venture in the domestic industry listed abroad. Headquartered in Yulin, Guangxi Zhuang Autonomous Region, we have 11 subsidiaries and distribute our production bases in such areas as Guangxi, Jiangsu, Anhui and Shandong. As an internal combustion engine manufacturing base with a complete range of products in China and broad areas of application, we have an annual sales revenue exceeding CNY 20 billion and an annual engine output of 600,000 sets.

Driven by the mission of "realizing customer value and driving better lives", we share market, technology and product achievements and development opportunities with all partners, and coordinate with OEMs, dealers, service stations and suppliers to achieve win-win.

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.