WP2.3N series marine diesel engine (40-95kW)
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 | 89×92 (mm) | Displacement | 2.3L |
| Oil consumption rate | ≤0.1 g/kW·h | Noise | ≤96 dB(A) |
| Minimum fuel consumption rate | 190 g/kW·h | Idle speed | 750 r/min |
| Rotation (facing the flywheel) |
Counter-clockwise | Net weight | 310 kg |
| Dimensions (L×W×H) | 730×688×822 (mm) | ||
Model Portfolio Table A
| Series | Model | Aspiration | Rated power kW/Ps | Speed r/min | Fuel system | Emission | Power rating |
| WP2.3N | WP2.3NC54-18E220 | TA | 40/54 | 1800 | HPCR | / | P1 |
| WP2.3NC68-18E220 | TA | 50/68 | 1800 | HPCR | / | P1 | |
| WP2.3NC82-18E220 | TA | 60/82 | 1800 | HPCR | / | P1 | |
| WP2.3NC102-21E220 | TA | 75/102 | 2100 | HPCR | / | P1 | |
| WP2.3NC110-25E220 | TA | 81/110 | 2500 | HPCR | / | P1 | |
| WP2.3NC130-32E220 | TA | 95/130 | 3200 | HPCR | / | P3 |
Product Parameters B
| Type | Four-stroke, water-cooled, in-line, supercharged and intercooled | Number of cylinders | 4 |
| Bore/stroke | 89×92(mm) | Displacement | 2.3L |
| Startup method | Electric start | Oil consumption rate | ≤0.1g/kW·h |
| noise | ≤96dB(A) | Idle | 750r/min |
| Crankshaft rotation direction (facing the flywheel end) |
Counterclockwise | net weight | 310kg |
| Length × Width × Height | 730×688×822 (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 |
| WP2.3N* | WP2.3NC54-18E220 | Supercharged intercooler | 40/54 | 1800 | Electronically controlled common rail | IMOⅡ/China II | P1 |
| WP2.3NC68-18E220 | Supercharged intercooler | 50/68 | 1800 | Electronically controlled common rail | IMOⅡ/China II | P1 | |
| WP2.3NC82-18E220 | Supercharged intercooler | 60/82 | 1800 | Electronically controlled common rail | IMOⅡ/China II | P1 | |
| WP2.3NC102-21E220 | Supercharged intercooler | 75/102 | 2100 | Electronically controlled common rail | IMOⅡ/China II | P1 | |
| WP2.3NY102-21E220 | Supercharged intercooler | 75/102 | 2100 | Electronically controlled common rail | IMOⅡ/China II | P1 | |
| WP2.3NC110-25E220 | Supercharged intercooler | 81/110 | 2500 | Electronically controlled common rail | IMOⅡ/China II | P1 | |
| WP2.3NY110-25E220 | Supercharged intercooler | 81/110 | 2500 | Electronically controlled common rail | IMOⅡ/China II | P1 | |
| WP2.3NC130-32E220 | Supercharged intercooler | 95/130 | 3200 | Electronically controlled common rail | IMOⅡ/China II | P1 | |
| WP2.3NY130-32E220 | Supercharged intercooler | 95/130 | 3200 | Electronically controlled common rail | IMOⅡ/China II | P1 |
Remark: The delivery date of products marked with * shall be subject to the reply of the manufacturer. 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
- High torque reservation
- Minimum fuel consumption 195g/kW·h
- Overhaul period of 12000 h
Safe and reliable
- Weichai brand new N series platform products, the body, cylinder head, piston, bearing shell and other structural parts of a new design
- Adopt high-quality Weichai system suppliers and develop in accordance with the high reliability requirements of large-displacement engines
- Dust-free, constant temperature assembly workshop, high precision test bench
Strong power
- High torque in medium and low speed range, continuous output and strong power
- Precise control by electronic control unit, high injection pressure and superior acceleration performance
- 50% rated speed can reach 134% rated torque
Economical and fuel-efficient
- Using electronic control high pressure common rail technology, accurate control of fuel injection, economic operation area is wider
- Minimum fuel consumption rate 195g/kW•h
- Oil replacement cycle ≥500h
- Customized design for lower fuel consumption
Comfortable and environmentally friendly
- Electronic control multiple injection, greatly reduce vibration and noise, idle noise 74dB (A)
- NVH optimization matching of the whole machine, gear chamber cover, cylinder cover, closed flywheel housing noise reduction design, reduce noise leakage
- Adopt body stiffening plate, piston pin offset structure, the vibration of the whole machine is better than that of competing products
Strong applicability
- Weichai intelligent cloud platform, big data processing, remote diagnosis
- Intelligent terminal, maintenance reminder
- Horizontal filter arrangement, reduce the height of the machine, compact structure
- Optional Internet intelligent instrument, installed sea water pump, damping pad and other configurations, to meet the needs of different customers
WP2.3N series marine diesel en...
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