WD12 series marine diesel engine (220-294kW)
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 A
| 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 | ≤0.6 g/kW.h | Noise | ≤100 dB(A) |
| Minimum fuel consumption rate | 212 g/kW.h | Idle speed | 650±30 r/min |
| Torque reserve | 20-35% | Rotation (facing the flywheel) |
Counter-clockwise |
| Dimensions (L×W×H) / net weight | 1534×807×1512 (mm) / 1100kg | ||
Model Portfolio Table A
| Series | Model | Aspiration | Rated power kW/Ps | Speed r/min |
Fuel system | Emission | Power rating |
| WD12 | WD12C300-15 | TA | 220/300 | 1500 | Mechanical pump | IMO Ⅱ | P1 |
| WD12C327-15 | TA | 240/327 | 1500 | Mechanical pump | IMO Ⅱ | P1 | |
| WD12C350-18 | TA | 258/350 | 1800 | Mechanical pump | IMO Ⅱ | P1 | |
| WD12C375-21 | TA | 275/375 | 2150 | Mechanical pump | IMO Ⅱ | P1 | |
| WD12C400-21 | TA | 294/400 | 2150 | Mechanical pump | IMO Ⅱ | P1 |
Product Parameters B
| Type | Four-stroke, water-cooled, in-line, supercharged and intercooled | Number of cylinders | 6 |
| Bore/stroke | 126×155(mm) | Displacement | 11.596L |
| Startup method | Electric start | Oil consumption rate | ≤0.6g/kW·h |
| noise | ≤100dB(A) | Idle | 650±30(r/min） |
| Crankshaft rotation direction (facing the flywheel end) |
Counterclockwise | net weight | 1100kg |
| Length × Width × Height | 1534×807×1512(mm) | ||
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 B
| series | model | Air intake method | Rated power kW/Ps | Rated speed r/min | Oil supply method | Emission levels | Power classification |
| WD12 | WD12C300-15 | Supercharged intercooler | 220/300 | 1500 | Mechanical pump | IMOⅡ/China I | P1 |
| WD12C300-18 | Supercharged intercooler | 220/300 | 1800 | Mechanical pump | IMOⅡ/China I | P1 | |
| WD12C327-15 | Supercharged intercooler | 240/327 | 1500 | Mechanical pump | IMOⅡ/China I | P1 | |
| WD12C327-18 | Supercharged intercooler | 240/327 | 1800 | Mechanical pump | IMOⅡ/China I | P1 | |
| WD12C350-18 | Supercharged intercooler | 258/350 | 1800 | Mechanical pump | IMOⅡ/China I | P1 | |
| WD12C375-21 | Supercharged intercooler | 275/375 | 2150 | Mechanical pump | IMOⅡ/China I | P1 | |
| WD12C400-21 | Supercharged intercooler | 294/400 | 2150 | Mechanical pump | IMOⅡ/China I | P1 |
Note: Product parameters and models are for reference only. Please contact relevant personnel to obtain official information on delivery time and fishing vessel models.
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 frame type main bearing structure; high rigidity; high safety performance index
- The internal and external double-circulation water cooling method is adopted, and the water jacket exhaust pipe can be selected, so as to prolong the service life of the diesel engine, and the overhaul period is 20000h
- Replace the filter without stopping
Strong power
- Large power reserve; torque reserve reaches 20%-35%
- The configuration of high-pressure oil pump, turbocharger, and fuel injector is optimized; the acceleration of ships is quick; the navigation speed is high
Economical and fuel-efficient
- The intake and fuel supply system is optimized, which broadens the economic operation range of the diesel engine
- The fuel consumption is low under normal working conditions, and the minimum fuel consumption is 195g/kW•h
- Customized design for lower fuel consumption
Comfortable and environmentally friendly
- Strengthen the design of key components, so that the products are featured by small vibration and low noise
- IMOⅡ ship emission standards are met
Strong practicability
- LCD Internet instrument can be selected to monitor the speed, water temperature, oil temperature and pressure of diesel engine in real time, so as to achieve timely automatic alarm and stop when the parameters exceed the limit values
- Stormy wave mode is added to ensure that the ship engine will not stop at critical moments such as stormy waves
- There is a large amount of the products in the market, and the reserve of spare parts is sufficient, which make maintenance convenient
WD12 series marine diesel engi...
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