MANL27/38 Marine Diesel Engine Series


WEICHAI-MAN L37/38 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
Cylinder Diameter/Stroke 270×380mm
Specific lub-oil consumption 184g/kW-h
Start Mode Gas start
Noise ≤110dB (A)
Oil Consumption 0.8g/kW-h
Number Of Cylinders 6/7/8/9
Displacement 130.8/152.6/174.4/196.2L
Crankshaft Rotation Direction (towards free end) Clockwise / Anticlockwise
Idling 300±50r/min
Smoke Intensity ≤1.0Rb
Emission Standard IMO TIER II

Product Spectrum

Model Air intake Rated Power (kW/Ps) Speed (r/min)
6L27/38 Supercharged and cold 2040/2774 (HFO) 800
7L27/38 Supercharged and cold 2380/3808 (HFO) 800
8L27/38 Supercharged and cold 2720/3699 (HFO) 800
9L27/38 Supercharged and cold 3060/4162 (HFO) 800
6L27/38 Supercharged and cold 2190/2978 (MGO) 800
7L27/38 Supercharged and cold 2555/3475 (MGO) 800
8L27/38 Supercharged and cold 2920/3971 (MGO) 800
9L27/38 Supercharged and cold 3285/4468 (MGO) 800


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, 2040kW——3285kW.

Economy: The minimum fuel consumption is 184g/kW·h and the oil consumption rate is less than 0.8g/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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