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Quick Details

  • Condition: New
  • Usage: Boat
  • Fuel: Diesel
  • Stroke: 4 Stroke
  • Cylinder: Multi-cylinder
  • Cold Style: Water-cooled
  • Start: Electric Start
  • Place of Origin: Guangxi, China (Mainland)
  • Brand Name: YUCHAI
  • Model Number: YC4F115C-31
  • Dimension(L*W*H): 866X623X738
  • Weight: 420KG
  • Certification: ZC,ZY,CCS
  • Warranty: one year
  • After-sales Service Provided: Overseas service center available
  • Configuration: Vertical,in-line,water-cooled,4-stroke
  • Compression ratio: 16.3:1
  • Aspiration Type: Turbo-charging&inter-cooling
  • Bore x Stroke (mm): 92X100
  • Fuel Consumption(g/kw.h): ≤195
  • Gearbox Model: Advance HC038A
  • Lubricant oil consumpton: ≤0.8
  • Speed: 2950rpm
  • Displacement(L): 2.66
  • Rated Power: 73kw/99hp

Packaging & Delivery

Packaging Details Standard Export Package, Wooden Package,or PACKED ON PALLET
Delivery Time 10-15 DAYS


99HP 4 cylinder for yacht diesel engine
1.factory price
2.stable operation
3.provide spare parts
4.advanced technology

99HP 4 cylinder for yacht diesel engine

Product Description



What is the features of the products?

Features of  diesel engine

1. This series diesel engine is the product developed by Yuchai merging the technologies of FEV, Germany

2.The cylinder block and head are made of the alloyed cast iron with high degree of the strength; the integral crankshaft & sliding bearing is featured by compact construction, smaller weight and higher reliability; the overhaul period is over 12000 hours;

3.The index of the fuel consumption is much lower by adopting the turbo-charging & inter-cooling technology for the intake system and A type high pressure fuel injection pump & P type injector;

4.Consumption of the oil much lower by adopting the Yuchai’s special sealing technology for the piston rings;

What is the parameter of  the products?  

Technical  Parameters of diesel engine


Engine ModelYC4F115C-31YC4F100-C20YC4F90L-C20
ConfigurationVertical , in-line, water-cooled, 4-stroke
AspirationTurbocharged, inter-cooled
Compression Ratio16.3:1
Continuous Power/Speed(kW/r/min)85/310073/295063/2800
1-hour Power/Speed(kW/r/min)93.5/320080/304570/2890
Min. fuel consumption(g/kW.h)≤195
Lubricant Oil Consumption (g/kW·h)≤0.8
Crankshaft Rotation Direction(facing power output end)counterclockwise
Net Weight(kg)420
Overall Dimension (L*W*H)(mm)866*623*738
Gearbox to be matchedHC038A, Hangzhou
ApplicationPublic service ship/passenger ship/fishing boat


Installation Drawing of  diesel engine



Do you need gearbox for the engine ?


We have professional engineers to choose the perfect gearbox according to customers' requests,

more information please contact us.



How to select gearbox for the engine ?


The different ships have different gearbox ratio and different diameter of the propeller.

The gearbox reduction ratio and the propeller diameter of cargo boats and fishing boats are relatively larger than passenger ships and public service ships.


The gearbox ratio of ships (the recommended reference)

Type of shipcargo shipfishing boat without trawl


high-speed pubilc service ship
rated speed 1500RPM4:1-5:14.5:1-5.5:15:1-7:1 N/A
rated speed 1800RPM 4.5:1-5.5:1 5:1-6:16:1-8:12:1-3:1
rated speed 2100RPMabove 5:1N/A N/A 2:1-3:1



  How to test our engine?

Design Process of  diesel engine

Advanced design method and simulation technology

Testing of diesel engine

The engine is suitable for High temperature/high-pressure/ extremely cold condition. 

Technology of reducing noise:

Noise test, according to the international standard ISO3745 design, using special room structure, the noise values is less than 30 db (A).



Why you can trust us?



Company Information


1.Professional Factory; More than 60 years experiences in diesel engines.

2.Professional scientists and engineers.

3.Strict testing process.



Our Services

1. Free technical enquires 

2. Free repairs during warranty

3. Free operation and repair training 

4 .Free maintenance service

5. Free spare parts available 

6. Long warranty period.

7.With 14 overseas offices and 108 services agents in 37 countries and regions.24 more service agents will be established by the end of 2014.



Our customers


Our products are popular at home and abroad. We have developed international market very well, such as Russia, Southeast Asia, Central Asia, the Middle East, South Africa, America, etc. more than twenty countries and regions.


Packaging & Shipping

Standard export package, wooden case or packed on pallet are available according to customers’ requests.  




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China (Mainland) | Trading Company
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