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Products & solutions Power System Marine Engine
  • 概述
  • 优势参数
  • 应用场景
  • 技术参数
  • High reliability
    With integral type crankshaft and sliding bearing ,small volume light weight
  • High economy
    With necking combustion technology, AD type high pressure fuel pump, low inertia small orifice injector, more sufficient combustion ,the fuel consumption index is far superior to domestic products, turbocharged engine advantage is more obvious
  • Low fuel consumption
    With Yuchai proprietary piston ring seal technology and valve seal technology, lubricating oil consumption is lower than domestic power transmission products with more than 50%
  • High reliability
    Cylinder block, cylinder head use high strength alloy to cast manufacturing ,better rigid
YC6B
Marine engine
85-165Ps Power Coverage
Adapted Models：Mainly equipped with 50~100kW common and emergency generator sets, 250~500 tons inland water transport vessels, 9~12m yachts, 15~25m cruise ships, 12~22m fishing boats, etc.
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Product Advantages
High durability

This series diesel engine developed with Germany &Japan marine technology.

High reliability

Cylinder block, cylinder head use high strength alloy to cast manufacturing ,better rigid, with integral type crankshaft and sliding bearing ,small volume light weight ，high reliability . Overhaul period is more than 10000 hours.

High economy

With necking combustion technology, AD type high pressure fuel pump, low inertia small orifice injector, more sufficient combustion ,the fuel consumption index is far superior to domestic products, turbocharged engine advantage is more obvious

Low fuel consumption

With Yuchai proprietary piston ring seal technology and valve seal technology, lubricating oil consumption is lower than domestic power transmission products with more than 50%

Application Scenarios
Application Cases
16m玻璃钢休闲渔船
YC6B150C
两江四湖批量配套6B双主机旅游船
Technical Parameters
ModelYC6B165CYC6B165L-C20YC6B150CYC6108ZLCAYC6108ZCAYC6108ZCYC6B85Z-C10YC6B165L-C22YC6108ZLCAYC6108ZCYC6B85Z-C12
TypeVertical, in-line, water-cooled, four-strokeVertical, in-line, water-cooled, four-strokeVertical, in-line, water-cooled, four-stroke
Intake wayTurbo-charged& inter-cooledTurbo chargedTurbo-charged& inter-cooledTurbo charged
No. of cylinders - Bore × Stroke（mm）6-108×1256-108×1256-108×125
Displacement(L) 6.8716.8716.871
Compression ratio                                                  17.5:117.5:117.5:1
Continuous power /speed （kW（Ps）/r/min）120120110901038063120908063
-165-165-150-125-140-110-85-165-125-110-85
/2300/1800/1800/1500/2300/1500/1500/1500/1500/1500/1500
One-hour power/speed（kW（Ps）/r/min）                    13213212199113.38869.3132998869.3
-180-180-165-135-155-120-95-180-135-120-95
/2374/1858/1858/1548/2374/1548/1548/1500/1500/1500/1500
Min. specific fuel consumption （g/kW·h）≤198≤198≤198
Specific oil consumption   (g/kW·h)≤0.5≤0.5≤0.5
Engine oil capacity(L) 15~1715~1715~17
Min.steady working speed（r/min）≤1035≤810≤810≤675≤1035≤675/
Crankshaft rotation direction (seen from power output end)                          AnticlockwiseAnticlockwiseAnticlockwise
Starting wayElectricalElectricalElectrical
Net weight  (kg)                                           750720750
Overall dimensions (LxWxH)                           1414×857×10551293×780×11981420×810×1020

HCQ138、HC65、120C，etcHC65、120C，etcAdapted for marine gen-set ：90、 100kWAdapted for marine gen-set ：75kWAdapted for marine gen-set ：64kWAdapted for marine gen-set： 50kW
Matched reduction gearbox                   
CertificateZC、CCS、国IZC、CCS、国IZC、CCS、国I
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We have established a marketing management system that integrates product sales, application development, after-sales service, and spare parts sales. We own the largest service network, the biggest number of service outlets, the smallest service radius, the longest mileage under warranty services of repair, replacement and refund, and the shortest response time in the industry.
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Service Network
We have established 19 vehicle engine regions, 12 general-purpose engine regions, 11 marine & G-drive engine regions and 29 after-market offices, more than 3,000 service stations, and more than 5,000 spare parts sales outlets in China. With 13 offices, 224 service agents and 460 service outlets at abroad, we are able to provide international warranty service.
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