Yuchai 650HP Yc6td650L-C20 6 Cylinders 4 Stroke Ship Inboard Marine Diesel Engine

• Customization: Available
• After-sales Service: Overseas Third-Party Support Available
• Warranty: 1 Year or 1500 Running Hours Which Come First
• Model NO.: YC6TD650L-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
• Condition: Brand New
• Power Range: 650HP,478kw
• Displacement: 19.59L
• Certificate: CCS
• OEM: Acceptable
• Related Speed: 1800rpm
• Weight: 2200kg
• Bore × Stroke (mm): 152×180mm
• Transport Package: Wooden Case
• Specification: 1986× 1319× 1696mm
• Trademark: Yuchai
• Origin: China
• HS Code: 8408100000
• Production Capacity: 500 Sets Per Month

Product Description

Yuchai 650HP YC6TD650L-C20 6 Cylinders 4 Stroke Ship Inboard Marine Diesel Engine

YC6TD

Marine propulsion engine

441kW~588kW Power range

It is widely used for various marine propulsion engines such as inland or offshore fishing boats and transport ships.

 

1.Reliability and durability
Yuchai 6TD product, following the demanding specifications for mechanical development verification, has been subject to a cumulative durability bench test of 20,000 hours. The engine block is made of alloy cast iron, with higher strength The integral forged steel crankshaft improves fatigue strength and wear resistance. The structure of one head for one cylinder ensures easy maintenance. The cylinder head bolts are evenly distributed and stressed. The valve system high camshaft arrangement, short and thick push rod, and roller tappet make the product highly reliable.

2.Fuel and money saving
The application of the four-valve technology ensures substantially increased flow area of intake and exhaust, and the central fuel injector enables more uniform atomization,and more complete combustion; The turbocharged &inter-cooled + electronically-control pump technology and accurate electronic control help the user to get the most out of every drop of fuel; The Holset/Lianxin turbocharger enables wide economic operating conditions, a more than15% reduction in the mechanical loss and less pump in gloss,as well as a 10-15% reduction in fuel consumption compared with engines at the same power level

3.Reliability and durability
Yuchai YC6T product, following the demanding specifications for mechanical development verification, has been subject to a cumulative durability bench test of 20.000hours.The structure of one head for one cylinder ensures easy maintenance.The cylinder head bolts are evenly distributed and stressed. The valve system, high camshaft arrangement, short and thick push rod, and roller tappet make the product highly reliable.The advanced equipment and quality control from casting to assembly ensure higher quality
 

 

Application Cases

Viet-Nam-YC6TD

Morocco--YC6TD

 

Malaysia-YC6TD

 

Product Parameters

  

Item	YC6TD Series Marine Diesel Engine
Model	YC6TD800L-C20	YC6TD760L-C20	YC6TD650L-C20	YC6TD600L-C20	YC6TD475L-C20
Number of cylinders - bore × stroke (mm)	6-152×180
Displacement (L)	19.59
Number of valves per cylinder	4
Induction system	Turbocharged & intercooled
Rated power/speed (kW(Ps)/r/min)	588(800)/1800	559(760)/1800	478(650)/1800	441(600)/1500	348(475)/1800
Overload power/speed (kW(Ps)/r/min)	646.8(880)/1858	614.9(835)/1858	525.8(715)/1858	485.1(660)/1548	382.8(520)/1858
Min. specific fuel consumption of external characteristics (g/kW·h)	≤195
Certificates	ZC,CCS,EIAPP, China II
Diemension (L×W×H) (mm)	1986×1319×1696
Dry weight (kg)	2200

 

Detailed Photos

 

Related Products

 

YUCHAI MARINE COMMERCIAL PROPULSION PRODUCT LINE
Engine Model	Rated power		Rated speed	Rating	Engine Model	Rated power		Rated speed	Rating
	kW	Ps	r/min			kW	Ps	r/min
YC16VCX4000L-C20	2940	4000	1500	R1	YC6TD760L-C20	559	760	1800	R1
YC16VCX3600L-C20	2646	3600	1350	R1	YC6TD650L-C20	478	650	1800	R1
YC16VC3000L-C20	2206	3000	1500	R1	YC6TD600L-C20	441	600	1500	R1
YC16VC2700L-C20	1985	2700	1350	R1	YC6T650L-C28	478	650	1800	R1
YC16VC2400L-C20	1764	2400	1200	R1	YC6T540L-C28	396	540	1800	R1
YC12VC2200L-C20	1618	2200	1500	R1	YC6T480L-C28	352	480	1800	R1
YC12VC2000L-C20	1470	2000	1500	R1	YC6T450L-C28	330	450	1500	R1
YC12VC2000L-C23	1470	2000	1350	R1	YC6T380L-C28	279	380	1200	R1
YC12VC1800L-C20	1323	1800	1200	R1	YC6K560L-C20	412	560	1800	R2
YC8CAX2200L-C20	1618	2200	1000	R1	YC6K520L-C20	382	520	1800	R2
YC8CAX2000L-C20	1470	2000	1000	R1	YC6K490L-C20	360	490	1500	R2
YC8CL1800L-C20	1324	1800	1000	R1	YC6K450L-C20	331	450	1500	R1
YC8CL1600L-C20	1176	1600	1000	R1	YC6K460L-C20	338	460	1800	R2
YC8CL1500L-C20	1103	1500	1000	R1	YC6K420L-C20	309	420	1500	R1
YC8CL1400L-C20	1029	1400	1000	R1	YC6MJ500L-C20	368	500	2100	R2
YC6CA1600L-C20	1176	1600	1000	R1	YC6MJ450L-C23	330	450	2100	R2
YC6CA1400C	1029	1400	1000	R1	YC6MJ410L-C23	300	410	1800	R2
YC16VTD-CM	1985	2700	2100	R3	YC6MJ365L-C23	267	365	1500	R1
	1764	2400	2100	R3	YC6MK410L-C20	300	410	2100	R2
	1655	2250	1900	R1	YC6MK350L-C23	257	350	1800	R1
	1545	2100	1800	R1	YC6MK320L-C23	235	320	1800	R1
	1398	1900	1600	R1	YC6MK300L-C24	219	300	1500	R1
YC6CL1200L-C20	882	1200	1000	R1	YC6MK280L-C23	205	280	1500	R1
YC6CL1135L-C20	835	1135	1000	R1	YC6MK260L-C23	192	260	1500	R1
YC6CL1035L-C23	760	1035	1000	R1	YCA08320L-C20	235	320	2300	R2
YC6CL960L-C23	706	960	1000	R1	YCA08300L-C20	219	300	2000	R2
YC6C1100L-C20	810	1100	1500	R1	YCA08280L-C20	206	280	1800	R1
YC6C960L-C23	706	960	1350	R1	YCA08260L-C23	191	260	1800	R1
YC12VTD-CM	1470	2000	2100	R3	YCA08240L-C20	176	240	1500	R1
	1434	1950	1950	R2	YCA08220L-C24	163	220	1500	R1
	1398	1900	1900	R2	YC4A220L-C20	162	220	2300	R3
	1325	1800	1800	R2	YC4A200L-C20	147	200	2300	R3
	1176	1600	1600	R1	YC4A165L-C20	120	165	1800	R1
YC6TF1000L-C20	735	1000	1500	R1	YC4A120L-C20	90	120	1500	R1
YC6TF900L-C20	660	900	1500	R1	YC4A140Z-C20	103	140	2300	R2
YC6TF850L-C20	625	850	1500	R1	YC4A120Z-C20	90	120	2000	R2
YC6TF820L-C20	603	820	1350	R1	YC4A100Z-C20	75	100	1800	R1
YC6TF720L-C20	530	720	1200	R1	YC4A70Z-C20	53	70	1500	R1
YC6TD800L-C20	588	800	1800	R1	YC4A55Z-C20	40	55	1500	R1

YUCHAI MARINE GENSET PRODUCT LINE
Engine Model	Generator set	kW	Hz	Rating
YC4A55Z-C22	CCFJ30J-W4	660	50	PRP
YC4A85Z-C22	CCFJ50J-W3	625	50	PRP
YC4A110L-C22	CCFJ64J-W2	588	50	PRP
YC4A120L-C22	CCFJ75J-W2	550	50	PRP
YC4A145L-C22	CCFJ90J-W1	450	50	PRP
YC4A165L-C22	CCFJ100J-W3	396	50	PRP
YCA08200L-C22	CCFJ120J-W	368	50	PRP
YCA08240L-C22	CCFJ150J-W2	330	50	PRP
YC6MK300L-C25	CCFJ180J-W1	360	50	PRP
YC6MK330L-C22	CCFJ200J-W2	300	50	PRP
YC6MJ410L-C24	CCFJ250J-W2	125	50	PRP
YC6K490L-C20	CCFJ300J-W	100	50	PRP
YC6TD600L-C20	CCFJ350J-W	80	50	PRP
YC6TD655L-C20	CCFJ400J-W1	63	50	PRP
YC6TF815L-C24	CCFJ450J-W	57	50	PRP
YC6TF815L-C24	CCFJ500J-W1	50	50	PRP
YC6TF980L-C22	CCFJ600J-W2	36	50	PRP

Continuous Duty (R1)	Operating Conditions: Continuous use under constant load. Load Factor: 80-100% average. Annual Usage: Unlimited operating time. Typical Applications: Cargo ships, tugboats, trawlers, deepwater river tugs.
Heavy Duty (R2)	Operating Conditions: Variable load with intermittent full-load operation. Load Factor: 40-80% average. Full-Load Limits: Full-load operation ≤80% of total runtime; nominal power limited to ≤8 hours within any 12-hour period. Annual Usage: ≤5,000 hours. Typical Applications: Medium/offshore trawlers, purse seiners, gillnetters, ferries, passenger vessels.
Medium Continuous Duty (R3)	Operating Conditions: Continuous variable load with reduced-speed full-load phases. Load Factor: 20-80% average. Full-Load Limits: Full-load operation ≤50% of total runtime; nominal power limited to ≤6 hours within any 12-hour period. Speed Reduction: ≥10% below rated speed during full-load operation. Annual Usage: ≤3,000 hours. Typical Applications: Water-skiing ferries, high-speed fishing vessels, near-shore service boats, displacement yachts, cruise ships, coastal cargo vessels with cyclic speed/load variations.
Prime Power (PRP)	Load Factor: ≤80% average. Overload Capacity: 10% overload allowed for 1 hour within any 12-hour period. Annual Usage: Unlimited operating time.

 

Certifications

Our Advantages

1.Integrated Sales & Technical Support
Full-cycle solutions for marine power propulsion systems.

2.Innovation-Driven Propulsion Systems
Designing efficient, eco-friendly, and user-centric propulsion technologies.

3.Customized Power Solutions
Tailored marine and land-based power plant designs by dedicated engineering teams.

4.Authorized Partnerships
Exclusive distributor for globally recognized brands.

5. End-to-End Service Excellence
Our highly skilled service teams, equipped with cutting-edge resources, deliver end-to-end excellence-from pre-sale technical consultation to seamless sales integration and porfessional after-sales support.
 

Company Profile

About Guangxi Yuchai Machinery Co., Ltd.
Founded in 1992, Guangxi Yuchai Machinery Co., Ltd. (Yuchai) is the first Chinese-foreign joint venture in China's domestic industry to be listed overseas.  Headquartered in Yulin, Guangxi Zhuang Autonomous Region, Yuchai operates 11 subsidiaries with production bases strategically positioned across Guangxi, Jiangsu, Anhui, and Shandong.

As a leading internal combustion engine manufacturing base in China, Yuchai offers a comprehensive product portfolio with broad industrial applications.  Boasting an annual production capacity of 600,000 engines and sales revenue exceeding CNY 20 billion, we are dedicated to delivering high-performance solutions to global markets.

Our Mission: "Creating Customer Value, Empowering Better Lives"

Yuchai collaborates closely with partners to share market opportunities, technological advancements, and product innovations.  By fostering synergy among OEMs, dealers, service providers, and suppliers, we drive mutual growth and achieve sustainable win-win outcomes.
Efficient and Energy-Saving Yuchai Marine Engines
Yuchai's marine engines deliver power outputs ranging from 25 kW to 2,940 kW (35 HP to 4,000 HP), fully compliant with China's Tier I and Tier II Marine Emission Standards. Certified by the world's leading classification societies, these engines are renowned for exceptional durability, reliability, and fuel efficiency. They are widely deployed across diverse marine applications, including transport vessels, engineering ships, fishing boats, passenger ferries, commercial craft, and luxury yachts.

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.

 

CONTACT  US
For inquiries or further information, please do not hesitate to contact us. Our expert team is committed to providing prompt and tailored assistance. Thank you for your interest !