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Weichai WP6 series marine diesel engine (105-168kW)
Model Rated power Speed
kW/Ps r/min
WP6C140-23 103/140 2300
WP6C142-18 105/142 1800
WP6C156-21 115/156 2100
WP6C163-23 120/163 2300
WP6C150-15 110/150 1500
WP6C165-18 122/165 1800
WP6C185-21 136/185 2100
WP6C220-23 162/220 2300
WP6C250-23 168/228 2230
More Details
Parameters Table
| Type | Four-stroke, water cooled, in-line, turbocharged/turbocharged and intercooled | Number of cylinders | 6 |
| Cylinder Bore/stroke | 105×130(mm) | Displacement | 6.75L |
| Oil consumption rate | ≤0.2g/kW·h | Noise | ≤98dB（A） |
| Minimum fuel consumption rate | 212g/kW·h | Idle speed | 650±30r/min |
| Torque reserve | 20-35% | Rotation direction of crankshaft (facing the flywheel end) | Counter-clockwise |
Dimensions Length × Width × Height/net weight | Turbocharged 1360×890×1054（mm） 700kg Turbocharged and intercooled 1360×890×1054（mm） 750kg | ||
Model Portfolio Table
| Series | Model | Air intake mode | Rated power kW/Ps | Speed r/min | Fuel feeding mode | Emission level | Power classification |
| WP6 | WP6C140-23 | Turbocharged | 103/140 | 2300 | Mechanical pump | - | P1 |
| WP6C142-18 | Turbocharged | 105/142 | 1800 | Mechanical pump | - | P1 | |
| WP6C156-21 | Turbocharged | 115/156 | 2100 | Mechanical pump | - | P1 | |
| WP6C163-23 | Turbocharged | 120/163 | 2300 | Mechanical pump | - | P1 | |
| WP6C150-15 | Turbocharged and intercooled | 110/150 | 1500 | Mechanical pump | - | P1 | |
| WP6C165-18 | Turbocharged and intercooled | 122/165 | 1800 | Mechanical pump | - | P1 | |
| WP6C185-21 | Turbocharged and intercooled | 136/185 | 2100 | Mechanical pump | IMOⅡ | P1 | |
| WP6C220-23 | Turbocharged and intercooled | 162/220 | 2300 | Mechanical pump | IMOⅡ | P1 | |
| WP6C250-23 | Turbocharged and intercooled | 168/228 | 2230 | Mechanical pump | IMOⅡ | P3 |
Remark: Product parameters and model portfolio are for reference only. Please contact relevant personnel for official information on delivery time and fishing boat model portfolio.
Product description
Safe and reliable
- The overhaul period of high-strength engine block, crankshaft, connecting rod and cylinder head is 12000h
- The high-quality suppliers of Weichai system are used. It is developed according to the high requirements of large displacement engines for reliability
- Rigorous and perfect test methods ensure the reliability of key parts and components
Strong power
- The torque reserve is as high as 20%-35%, the range of large torque section is wide, and the ships equipped with the engine will have good acceleration
Economical and fuel-efficient
- Reasonable allocation of oil pump, turbocharger, air intake and exhaust system; low oil consumption under common working conditions; good economical nature
- With shallow ω combustion chamber, the best cylinder clearance and swirl ratio, the fuel consumption rate is as low as 195g/kW•h
Comfortable and environmentally friendly
- The NVH optimization for the whole engine effectively reduces vibration and noise
- IMO II emission requirements are met
Strong practicability
- LCD Internet instrument can be selected to monitor engine operating parameters in real time, so as to realize automatic alarm and stop
- It is suitable for marine engines such as passenger ships, cargo ships, public service ships, fishing boats and tourist ships
Data Sheet WP6-Weichai Marine Engine Please login to download
