WP12 series marine diesel engine (295-405kW)
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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Parameters Table
| Type | Four-stroke, water cooled, in-line, turbocharged and aftercooled | Number of cylinders | 6 |
| Bore & stroke | 126×155 (mm) | Displacement | 11.596 L |
| Oil consumption rate | ≤0.5 g/kW.h | Noise | ≤100 dB(A) |
| Minimum fuel consumption rate | 191 g/kW.h | Idle speed | 650±50 r/min |
| Torque reserve | 25-35% | Rotation direction of crankshaft (facing the flywheel end) |
Counter-clockwise |
| Dimensions (L×W×H) / net weight | Mechanical pump 1695×858×1385 (mm) / 1200kg HPCR 1683×928×1264 (mm) / 1200kg |
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Model Portfolio Table
| Series | Model | Aspiration | Rated power kW/Ps |
Speed r/min |
Fuel system | Emission | Power rating |
| WP12 | WP12C400-18 | TA | 295/400 | 1800 | Mechanical pump | IMO Ⅱ | P1 |
| WP12C450-21 | TA | 330/450 | 2100 | Mechanical pump | IMO Ⅱ | P1 | |
| WP12C500-21E121 | TA | 368/500 | 2100 | HPCR | IMO Ⅱ | P2 | |
| WP12C550-21E121 | TA | 405/550 | 2100 | HPCR | IMO Ⅱ | 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 high-strength design of structural parts such as engine block, piston and bearing bush ensures the reliability of diesel engine under high explosion pressure
- For turbocharger, starter, high-pressure oil pump and other important parts, global excellent suppliers are used
- Withstand the most stringent durability test and assessment; ensure the reliability of key parts and components; and the overhaul period of the whole engine is over 20000h
- Perfect self-diagnosis system, perfect failure protection mode, and safe control strategy
- Replace the filter without stopping
Strong power
- Accurate control by electronic control units, high injection pressure, small fluctuation of rotating speed, and strong power
- Low-speed and high-torque design with the torque reserve of 25%-35%, quick response, and fast speed increase
Economical and fuel-efficient
- The fuel injection law is optimized, the fuel injection pressure, fuel injection quantity and fuel injection time are accurately controlled, the fuel is fully atomized, and the minimum fuel consumption rate is 191g/kW•h
- Customized design for lower fuel consumption
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 jacket exhaust pipe and water jacket exhaust tail pipe are used to reduce engine compartment temperature
- IMOⅡ ship emission standards are met
Strong practicability
- LCD Internet instruments, vibration isolators, and hand-pressed oil well pumps can be equipped to meet the requirements of different customers
- Horizontal air filter and rear turbocharger reduce the height of the whole engine and facilitate the layout of the engine compartment
- Different control strategies are adjusted according to different performance requirements
- Receive/output various control signals, which meet the requirements of automation control
WP12 series marine diesel engi...
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