WP3N series marine diesel engine (85-118kW)
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 | 4 |
| Bore & stroke | 94×107 (mm) | Displacement | 2.97L |
| Oil consumption rate | ≤0.1 g/kW·h | Noise | ≤98 dB(A) |
| Minimum fuel consumption rate | 198 g/kW·h | Idle speed | 750 r/min |
| Rotation (facing the flywheel) |
Counter-clockwise | Net weight | 337 kg |
| Dimensions (L×W×H) | 830×690×780 (mm) | ||
Model Portfolio Table A
| Series | Model | Air intake mode | Rated power kW/Ps | Speed r/minn | Fuel feeding mode | Emission level | Power classification |
| WP3N* | WP3NC115-30E220 | Turbocharged and intercooled | 85/115 | 3000 | HPCR | – | P3 |
| WP3NC130-30E220 | Turbocharged and intercooled | 95/130 | 3000 | HPCR | – | P3 | |
| WP3NC150-30E220 | Turbocharged and intercooled | 110/150 | 3000 | HPCR | – | P3 | |
| WP3NC160-30E220 | Turbocharged and intercooled | 118/160 | 3000 | HPCR | – | P3 |
Product Parameters B
| Type | Four-stroke, water-cooled, in-line, supercharged and intercooled | Number of cylinders | 4 |
| Bore/stroke | 94×107(mm) | Displacement | 2.97L |
| Startup method | Electric start | Oil consumption rate | ≤0.1g/kW·h |
| noise | ≤93dB(A) | Idle | 750±50r/min |
| Crankshaft rotation direction (facing the flywheel end) |
Hour Hand | net weight | 337kg |
| Length × Width × Height | 830×690×775 (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 |
| WP3N | WP3NC115-30E220 | Supercharged intercooler | 85/115 | 3000 | Electronically controlled common rail | IMOⅡ/China II | P3 |
| WP3NY115-30E220 | Supercharged intercooler | 85/115 | 3000 | Electronically controlled common rail | IMOⅡ/China II | P3 | |
| WP3NC130-30E220 | Supercharged intercooler | 95/130 | 3000 | Electronically controlled common rail | IMOⅡ/China II | P3 | |
| WP3NY130-30E220 | Supercharged intercooler | 95/130 | 3000 | Electronically controlled common rail | IMOⅡ/China II | P3 | |
| WP3NC150-30E220 | Supercharged intercooler | 110/150 | 3000 | Electronically controlled common rail | IMOⅡ/China II | P3 | |
| WP3NY150-30E220 | Supercharged intercooler | 110/150 | 3000 | Electronically controlled common rail | IMOⅡ/China II | P3 | |
| WP3NC160-30E220 | Supercharged intercooler | 118/160 | 3000 | Electronically controlled common rail | IMOⅡ/China II | P3 | |
| WP3NY160-30E220 | Supercharged intercooler | 118/160 | 3000 | Electronically controlled common rail | IMOⅡ/China 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 the body, piston, and bearing bush ensures the reliability of the diesel engine under high explosion pressure
- The supercharger, starter, fuel system and other important parts adopt global excellent suppliers
- Withstand the most demanding and rigorous benches, and have passed the tests of plateau, high temperature and high cold to ensure the reliability of key components, and the overhaul period of the whole machine is more than 12000h
- Perfect self-diagnosis system, perfect failure protection mode and safe control strategy
Strong power
- The key components are developed by Weichai’s high-quality suppliers and developed in accordance with the high reliability requirements of the marine machinery industry
- Low-speed and high-torque design, large torque reserve, rapid response and fast speed increase
Economical and fuel-efficient
- Optimize fuel injection rules, accurately control fuel injection pressure, fuel injection volume and fuel injection time, fully atomize fuel, wide economic fuel consumption range, and minimum fuel consumption rate of 198g/kW•h
- Customized design for lower fuel consumption
Comfortable and environmentally friendly
- The rear gear room and enclosed flywheel housing can effectively reduce noise. The standard noise is 4dB(A) lower than competing products, and the no-load noise is 2.5 dB(A)-4 dB(A) lower than competing products
- Adopt body reinforcement plate and piston pin offset structure, the vibration of the whole machine is better than the competition products
- IMO II emission requirements are met
Strong applicability
- Special LCD Internet instrument, vibration isolation pad, water jacket exhaust pipe and other optional configuration
- More than 95% parts and N series products are common, easy to maintain
- Adjust different control strategies according to different performance requirements
- Accept or output a variety of control signals to meet the needs of automation control
WP3N series marine diesel engi...
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