WH28 series marine diesel engine (2050-3600kW)
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 | 6/8 |
| Bore & stroke | 280×410(mm) | Displacement | 151.5 L / 202 L |
| Oil consumption rate | ≤0.5g/kW.h | Noise | ≤114 dB(A) |
| Minimum fuel consumption rate | 181g/kW.h | Idle speed | 320 r/min |
|
Rotation
(facing the flywheel)
|
Clockwise/counterclockwise | Length×Width×Height/net weight |
L6:5068×1967×3510(mm)/24000kg
L8:5949×1967×3510(mm)/29000kg
|
Model Portfolio Table A
| Series | Model | Rated power kW/Ps | Rated speed r/min | Fuel system | Emission | Power rating |
| WH28 | 6WH28C2790-6.5 | 2050/2790 | 650 | Mechanical pump | IMO Ⅱ | P1 |
| 6WH28C3040-7.5 | 2240/3040 | 750 | Mechanical pump | IMO Ⅱ | P1 | |
| 6WH28C3264-8 | 2400/3264 | 800 | Mechanical pump | IMO Ⅱ | P1 | |
| 6WH28C3672-8 | 2700/3672 | 800 | Mechanical pump | IMO Ⅱ | P1 | |
| 8WH28C4080-7.5 | 3000/4080 | 750 | Mechanical pump | IMO Ⅱ | P1 | |
| 8WH28C4352-8 | 3200/4352 | 800 | Mechanical pump | IMO Ⅱ | P1 | |
| 8WH28C4896-8* | 3600/4896 | 800 | Mechanical pump | IMO Ⅱ | P1 |
Product Parameters B
| Type | In-line, four-stroke, water-cooled, direct injection | Number of cylinders | 6/8 |
| Bore/stroke | 280×410(mm) | Displacement | 151.5L/202L |
| Startup method | Compressed air/motor start | Oil consumption rate | ≤0.5g/kW·h |
| noise | ≤114dB(A) | Idle | 320r/min |
| Crankshaft rotation direction (facing the flywheel end) |
Clockwise | / | / |
| Length × Width × Height / Net Weight | 6 cylinders 8 cylinders |
5068×1967×3510(mm) 5972×1967×3520(mm) |
24000kg 29000kg |
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 | Rated power kW/Ps | Rated speed r/min |
Oil supply method |
Emission levels | Power classification |
| WH28 | WH28C2500-7.5* | 1838/2500 | 750 | Mechanical pump | IMOⅡ/China I | P1 |
| WH28C2790-6.5 | 2050/2790 | 650 | Mechanical pump | IMOⅡ/China I | P1 | |
| WH28C2856-6.5* | 2100/2856 | 650 | Mechanical pump | IMOⅡ/China I | P1 | |
| WH28C2940-7.2 | 2160/2940 | 720 | Mechanical pump | IMOⅡ/China I | P1 | |
| WH28C3000-7.5 | 2206/3000 | 750 | Mechanical pump | IMOⅡ/China I | P1 | |
| WH28C3060-7.2 | 2250/3060 | 720 | Mechanical pump | IMOⅡ/China I | P1 | |
| WH28C3060-7.5 | 2250/3060 | 750 | Mechanical pump | IMOⅡ/China I | P1 | |
| WH28C3265-7.5* | 2400/3265 | 750 | Mechanical pump | IMOⅡ/China I | P1 | |
| WH28C3265-8 | 2400/3265 | 800 | Mechanical pump | IMOⅡ/China I | P1 | |
| WH28C3675-8* | 2700/3675 | 800 | Mechanical pump | IMOⅡ/China I | P1 |
Note: The delivery date of products marked with * is subject to the manufacturer’s reply. Product parameters and model spectrum are for reference only. Please contact relevant personnel to obtain official information on delivery time and fishing vessel model spectrum, etc.
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 safety factor of shafting parts is higher than the ship code standard, so as to ensure the safety and reliability of parts
- Side-pulling bolts are arranged on engine block to ensure the optimal stress distribution of the engine block, so as to reduce the deformation of parts and improve the service life
- Replace the filter without stopping
Strong power
- High power, about 15% higher than similar products
- High explosive pressure, about 20% higher than similar products
- The maximum torque output can be maintained at 70%-100% rated speed, and the range of high torque speed is wide
Economical and fuel-efficient
- Through simulation optimization and experimental verification, the shapes of high injection pressure fuel system, intake port and combustion chamber have reached the world advanced level. The intake air is sufficient, and fuel consumption is about 7% lower than that of similar products
- Customized design for lower fuel consumption
Comfortable and environmentally friendly
- The pulse supercharging system is featured by good load response, fast acceleration and low smoke intensity
- IMO II emission requirements are met
Strong practicability
- Mature structure, modular design and strong maintainability
- Three-section connecting rod, convenient cylinder lifting, and convenient maintenance
- The maintenance workload is small, and the maintenance time is less
WH28 series marine diesel engi...
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