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Weichai WP4.1 series (40-60kW)

Parameters Table

Type Four-stroke, water cooled, in-line, turbocharged Number of cylinders 4
Bore & stroke 105×118 (mm) Displacement 4.09L
Oil consumption rate ≤0.6 g/kW·h Noise ≤92 dB (A)
Minimum fuel consumption rate 212 g/kW·h Idle speed 650±30 r/min
Rotation Counter-clockwise Net weight 400 kg
(facing the flywheel)
Dimensions (L×W×H) 1062×625×918 (mm)
Model Portfolio Table

Series Model Aspiration Rated power Speed Fuel system Emission Power rating
kW/Ps r/min
WP4.1 WP4.1C54-15 T 40/54 1500 Mechanical pump / P1
WP4.1C68-15 T 50/68 1500 Mechanical pump / P1
WP4.1C82-18 T 60/82 1800 Mechanical pump / P1

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 overhaul period of high-strength engine block, crankshaft, connecting rod and cylinder head is 12000h
  • Rigorous and perfect test methods ensure the reliability of key parts and components

Strong power

  • The torque reserve is as high as 20%-35%, the range of large torque section is wide, and the ships equipped with the engine will have good acceleration

Economical and fuel-efficient

  • Reasonable allocation of oil pump, turbocharger, air intake and exhaust system; low oil consumption under common working conditions; good economical nature
  • With shallow ω combustion chamber, the best cylinder clearance and swirl ratio, the fuel consumption rate is as low as 212g/kW•h
  • Customized design for lower fuel consumption

Comfortable and environmentally friendly 

  • The NVH optimization for the whole engine effectively reduces vibration and noise
  • There is no IMO emission requirement

Strong practicability 

  • LCD Internet instrument can be selected to monitor engine operating parameters in real time, so as to realize automatic alarm and stop
  • It is suitable for marine engines such as passenger ships, cargo ships, public service ships, fishing boats and tourist ships

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everyday free ground shipping on select overhaul kits and turbos

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