Weichai WP3.2 series marine diesel engine (25-36.8kW)
Parameters Table
| Type |
Four-stroke, water cooled, in-line, naturally aspirated |
Number of cylinders |
4 |
| Bore & stroke |
98×105 (mm) |
Displacement |
3.17L |
| Oil consumption rate |
≤0.1 g/kW·h |
Noise |
≤96 dB(A) |
| Minimum fuel consumption rate |
200 g/kW•h |
Idle speed |
650±20 r/min |
Rotation direction of crankshaft
(facing the flywheel end) |
Counter-clockwise |
Net weight |
300 kg |
| Dimensions (L×W×H) |
740×612×722 (mm) |
Model Portfolio Table
| Series |
Model |
Aspiration |
Rated power kW/Ps |
Speed r/min |
Fuel system |
Emission |
Power rating |
| WP3.2 |
WP3.2C34-15E321 |
NA |
25/34 |
1500 |
HPCR |
/ |
P1 |
| WP3.2C37-18E321 |
NA |
27/37 |
1800 |
HPCR |
/ |
P1 |
| WP3.2C41-15E321 |
NA |
30/41 |
1500 |
HPCR |
/ |
P1 |
| WP3.2C50-24E321 |
NA |
36.8/50 |
2400 |
HPCR |
/ |
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 196g/kW·h
- Overhaul period of 12000 h
Safe and reliable
- The new Weichai Rui power platform products, the body, cylinder head, piston, bearing bush and other new design
- Using the global excellent supplier system of Weichai, the quality of parts is reliable
- Dust-free, constant temperature assembly workshop, high precision test bench
Strong power
- High torque, continuous output and strong power in medium and low speed range
- Precise control by electronic control unit, high injection pressure and superior acceleration performance
- 50% rated speed can reach 95% 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 196g/kW•h
- Oil replacement cycle ≥500h
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
- Intelligent terminal, maintenance reminder
- Water jacket exhaust pipe and exhaust tail pipe to reduce cabin temperature
- Optional Internet intelligent instrument, installed sea water pump, damping pad and other configurations, to meet the needs of different customers
Parameters Table
Model Portfolio Table
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
- Optional Internet intelligent instrument, installed sea water pump, damping pad and other configurations, to meet the needs of different customers
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