Weichai WP4.1N series marine diesel engine (80-140KW)

Item No.: 00506
Four-stroke, water-cooled, in-line, direct injection
4 cylinders
Displacement 08L
Net weight 480kg
Description Review
Description

WP2.3N/WP3N/WP4.1N/WP6/WP7/WP10/WP12/WP13/M26/M33/M55 and other high-speed motor products are mainly used in high-speed boats, passenger ships, fishing boats, and main engines of inland water transportation in inland and offshore markets. and auxiliary engines; WHM6160/170/6WH17/12WH17 medium-speed engine products, mainly used in bulk carriers, passenger rollers, official vessels, marine support vessels, ocean-going fishing vessels, engineering vessels, multi-purpose vessels, offshore The main engine and auxiliary engine of the traffic management ship. CW200/CW250/WH620/WH20/WH25/WH28 and other medium-speed engine products are mainly used in the main and auxiliary engines of engineering ships, passenger ships, fishing ships and bulk carriers in the inland, offshore and ocean markets; MAN series L21/31, L27 /38, L32/40 and V32/40 products are mainly used in the main engines, electric propulsion and auxiliary engines of bulk carriers, engineering ships, multi-purpose ships, and marine traffic management ships in the offshore and ocean-going markets.

Product parameters

Type Four-stroke, water-cooled, in-line, direct injection Number of cylinders 4
Bore/Stroke 105×118(mm) Displacement 08L
Start method Electric start noise ≤92dB(A)
noise ≤97dB(A) oil consumption rate ≤0.1g/kW.h
Crankshaft rotation direction
(facing flywheel end)
counterclockwise idle speed 700r/min
length x width x height 960×700×850(mm) net weight 480kg

Remarks: Product parameters and type spectrum are for reference only. Please contact relevant personnel for official information on delivery time and fishing boat type spectrum.

product spectrum

 

series model Intake method Rated power kW/Ps Calibration speed r/min Oil supply method emission level power classification
WP4.1N* WP4.1NC120-18E220 Turbocharged 88/120 1800 Electronically controlled common rail China II P1
WP4.1NC143-18E220 Turbocharged 105/143 1800 Electronically controlled common rail China II P1
WP4.1NC130-21E220 Turbocharged 95/130 2100 Electronically controlled common rail China II P1
WP4.1NC163-21E220 Turbocharged 120/163 2100 Electronically controlled common rail China II P1
WP4.1NC177-23E220 Turbocharged 130/177 2300 Electronically controlled common rail China II P3
WP4.1NC190-26E220 Turbocharged 140/190 2600 Electronically controlled common rail China II P3

 

WP4.1 series marine diesel engine

  • Torque reserve 20%-35%
  • Minimum fuel consumption 200g/kW.h
  • Overhaul period 12000h
  • Emissions meet China II

Product advantages

  Reliable and durable

  • The body, cylinder head, piston, bearing bush and other structural parts are newly designed, produced by Weichai Rui Power Base
  • Utilizing Weichai's global excellent supplier system, the quality of parts is reliable
  • Dust-free, constant temperature assembly workshop, high-precision test stand

  Powerful

  • Large torque in the low and medium speed range, continuous output and strong power
  • Precise control by electronic control unit, high fuel injection pressure and excellent acceleration performance
  • 50% rated speed can reach 132% rated torque

  Economical and fuel-efficient

  • Adopt high-pressure common rail technology, use Bosch fuel system, and Weichai's own ECU to precisely control the amount of fuel injection
  • Minimum fuel consumption rate 200g/kW·h
  • Oil replacement cycle ≥ 500h

  Comfortable and environmentally friendly

  • NVH optimized matching of the whole machine, low noise
  • Gear chamber cover, cylinder head cover, closed flywheel housing noise reduction design to reduce noise leakage
  • The use of electronically controlled multiple injections greatly reduces vibration and noise
  • Emissions meet China’s Phase II regulatory requirements

  Practical

  • Optional vibration isolation pad, manual oil pump and other configurations to meet different customer needs
  • Adjust different control strategies according to different performance requirements
  • Receive/output a variety of control signals to meet automation control requirements
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