Man L21/31 Series Marine Engine for Ship Propulsion Host

 We supply original MAN L21/31 series Marine diesel engine from weichai factory in China.
MAN L21/31 series Marine diesel engine  power at 1290-1935kW,minimum fuel consumption of 192 g/kWh, lubricating oil consumption is less than 0.8 g/kWh, has the good power performance and fuel economy.
Using integral rigidity design, high degree of safety; Cylinder unit assembly, loading and unloading is convenient,High reliability; Combustible with MGO style, MDO, HFO, strong adaptability.

weichai marine diesel engine good rigidity, high strength, reliable operation,low noise,high quality,with 12 month.
  Techincal Specifications

MODEL	TYPE	POWER(kW/Ps)	SPEED(r/min)
6L21/31	supercharged and mid-cooling	1290/1755	1000
7L21/31	supercharged and mid-cooling	1505/2050	1000
8L21/31	supercharged and mid-cooling	1720/2340	1000
9L21/31	supercharged and mid-cooling	1935/2630	1000

Type	Four stroke, water-cooled, inline, turbocharged inter-cooled	cylinder.No	6/7/8/9
Bore*stroke	210×230mm	Displacement	64.2/74.9/ 85.6/96.3L
Min fuel-consume ratio	192g/kW·h	Fuel consumption ratio	0.8g/ kW·h
Start mothed	Gas starting	idling	450±50r/min
Noise	≤110dB(A)	smoking	≤1.0Rb
Rotation direction of crankshaft	Clockwise/counterclockwise	emission standard	IMO TIER II

If you need model infomation and best quotation for weichai marine engine, please feel free to contact us.