WP12 series marine diesel engines (258-405kW)
High-speed engine products including WP4.1,WP4,WP6,WP7,WD10,WD12,WP10, WP12,WP13,M26,M33, which are mainly used as the main engine and auxiliary engine of the high-speed ships and boats, passenger ship, and fishing boat and inland river transport ship; WHM6160/170 medium speed engine products, which are mainly used as the main engine, electric propeller and auxiliary engine of the bulk cargo carrier, car/passenger ferry, public service ship, offshore support vessel, ocean fishing vessel, engineering ship, multi-purpose ship; CW200/CW250/WH620/WH20/WH25/WH28 medium speed engine products, which are mainly used as the main engine, and auxiliary engine of the engineering ship, passenger ship, fishing boat, and bulk cargo carrier; and MAN series L21/31, L23/30A, L27/38, L32/40 and V32/40 products, which are mainly used as the main engine, electric propeller and auxiliary engine of the bulk cargo carrier, engineering ship, multi-purpose ship, and marine traffic management ship.
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Product Parameters
| Type | Four-stroke, water-cooled, in-line, supercharged and intercooled | Number of cylinders | 6 |
| Bore/stroke | 126×155(mm) | Displacement | 11.59L |
| Startup method | Electric start | Oil consumption rate | ≤0.5g/kW·h |
| noise | ≤100dB(A) | Idle | 600±50(r/min |
| Crankshaft rotation direction (facing the flywheel end) |
Counterclockwise | / | / |
| Length × Width × Height / Net Weight | Mechanical pump
Electronically controlled pump, mid-mounted supercharger Electronically controlled pump, post-supercharger |
1695×858×1385(mm)
1695×818×1385(mm) 1683×928×1264(mm) |
1200kg
1200kg 1200kg |
Note: Product parameters and models are for reference only. Please contact relevant personnel to obtain official information on delivery time and fishing vessel models.
Product spectrum
| series | model | Air intake method | Rated power kW/Ps |
Rated speed r/min | Oil supply method | Emission levels | Power classification |
| WP12 | WP12C350-15 | Supercharged intercooler | 258/350 | 1500 | Mechanical pump | IMOⅡ/China I | P1 |
| WP12C400-18 | Supercharged intercooler | 295/400 | 1800 | Mechanical pump | IMOⅡ/China I | P1 | |
| WP12C450-21 | Supercharged intercooler | 330/450 | 2100 | Mechanical pump | IMOⅡ/China I | P1 | |
| WP12C350-15E121 | Supercharged intercooler | 258/350 | 1500 | Electronically controlled common rail | IMOⅡ/China I | P1 | |
| WP12C400-18E121 | Supercharged intercooler | 295/400 | 1800 | Electronically controlled common rail | IMOⅡ/China I | P1 | |
| WP12C450-21E121 | Supercharged intercooler | 330/450 | 2100 | Electronically controlled common rail | IMOⅡ/China I | P1 | |
| WP12C500-21E121 | Supercharged intercooler | 368/500 | 2100 | Electronically controlled common rail | IMOⅡ/China I | P2 | |
| WP12C550-21E121 | Supercharged intercooler | 405/550 | 2100 | Electronically controlled common rail | IMOⅡ/China I | P3 |
Note: Product parameters and models are for reference only. Please contact relevant personnel to obtain official information on delivery time and fishing vessel models.
WP12 Series Marine Diesel Engine
- Torque reserve 25%-35%
- Minimum fuel consumption 191g/kW·h
- Overhaul period 20000h
- Emissions meet IMO II/China I
Product Advantages
Safe and reliable
- High-strength design of engine body, piston, bearing and other structural parts ensures the reliability of diesel engine under high explosion pressure
- Utilizing Weichai’s global excellent supplier system, the quality of parts is reliable
- Withstand rigorous durability tests to ensure the reliability of key components, and the overhaul period of the whole machine is more than 20,000 hours
- Complete self-diagnosis system, complete failure protection mode, safe control strategy
Powerful
- Precise control of the electronic control unit, high injection pressure, small speed fluctuation, strong power
- Low-speed high-torque design, torque reserve 25%-35%, quick response, fast speed-up
Economical and fuel-efficient
- Optimize the injection pattern, accurately control the injection pressure, injection amount and injection time, fully atomize the fuel, and achieve the lowest fuel consumption rate of 191g/kW·h
Comfortable and environmentally friendly
- It can realize multiple injections such as pre-injection and post-injection, and the noise and vibration are reduced by 20% compared with the mechanical pump system.
- Water-jacketed exhaust pipe and water-jacketed exhaust tail pipe to reduce cabin temperature
- Emissions meet IMO TierⅡ and China Phase I regulations
Strong practicality
- Optional configurations include LCD Internet instrument, vibration isolation pad, hand pressure oil pump, etc. to meet different customer needs
- Horizontal air filter and rear-mounted supercharger reduce the height of the whole machine and facilitate the layout of the cabin
- Adjust different control strategies according to different performance requirements
- Receive/output a variety of control signals to meet automation control requirements
WP12 series marine diesel engi...
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