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Products & ServiceMarine engines

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 
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R & D

20000 +
Global R & D personnel
5+10 
R & D institutions in five countries, ten regions

Engines

  • 5,000,000 units
  • 22-10000Ps
  • 200 million kilowatts
  • Application for all markets

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