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Weichai MAN L32/40 Marine Diesel Engine Series(3000-4500kW)


Product Profile

WEICHAI-MAN L32/40 marine diesel engine series is introduced from German Man Company, the world's first marine diesel engine brand, by signing license production agreement. This series uses an overall rigid design for high safety. The cylinder unit is assembled as a whole and is easy to assembled and disassembled. It uses Man’s advanced turbocharger and two-stage intercooling for excellent air intake performance. It uses Man’s SaCosone safety control system for high reliability. It is well adapted for burning MGO, MDO or HFO. It has obtained engine certification certificates from LR, DNV&GL, BV, ABS, CCS, NK, RS, RINA and KR, world's nine major classification societies, and meets the requirements of International Convention for the Safety of Life at Sea (SOLAS).

Product parameters

Series 4-Stroke、water cooling、In-Line、Supercharged and cold Number of cylinders 6/7/8/9
Cylinder Diameter/Stroke 320×400mm Displacement 193.02/225.19/
specific lub-oil consumption 182g/kW·h Oil consumption 0.5g/ kW·h
Start Mode Gas start Idling 300±50r/min
Noise ≤110dB(A) Smoke intensity ≤1.0Rb

Crankshaft rotation direction

(towards free end)

clockwise/anticlockwise Emission standard IMO TIER II

Product Spectrum

Model Air intak Rated Power(kW/Ps) Speed(r/min)
6L32/40 Supercharged and cold 3000/4080 750
7L32/40 Supercharged and cold 3500/4760 750
8L32/40 Supercharged and cold 4000/5440 750
9L32/40 Supercharged and cold 4500/6120 750

Remarks: Product parameters and portfolio are for reference only. For fishing vessel engine portfolio, please contact relevant personnel for official information.

Product Features

  • Power: Wide power coverage, 3000kW——4500kW.
  • Economy: The minimum fuel consumption is 182g/kW?h and the oil consumption rate is less than 0.5g/kW·h.
  • Reliability: Unique structural design and MAN's advanced SaCoS safety control system guarantee engines’trouble-free operation, and long overhaul interval.
  • Adaptability: It is well adaptable for burning MGO, MDO and HFO (viscosity up to 700cSt/50°C). It could provide the best turbocharging system matching solution according to engine’s working conditions.
  • Environment protection: Meets the requirements of the International Maritime Organization (IMO) for the Tier II phase of the engine.
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