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MAN L27/38 1mw-10mw Marine diesel engine

L27/38
Bore:270mm,Stroke:380mm
Speed mep	r/min bar	800 800(MGO/MDO) 23.5 25.15 kW kW
6L27/38		2,040 2,190
7L27/38		2,380 2,555
8L27/38		2,720 2,920
9L27/38		3,060 3,285
Specific Fuel Oil Consumption(SFOC)to ISO conditions
MCR 100% 85%
L27/38 188g/kWh 185g/kWh
L27/38GO 190g/kWh 187g/kWh
Specific lube oil consumption 0.8g/kWh
Dimensions
Cyl.No.		6	7	8	9
L	mm	5,070	5,515	5,960	6,405
L1	mm	3,962	4,407	4,852	5,263
H	mm	3,595	3,595	3,565	3,565
Dry mass	t	29.0	32.5	36.0	39.5

Minimum centreline distance for twim engine
installation:2,500mm

Main Data
Number of cylinder		6,7,8,9
Rated power(MCR)	kW/cyl	340
Rated speed	rpm	800
Idle speed	rpm	500
Bore	mm	270
Stroke	mm	380
Stroke/bore ratio		1.4
Cylinder distance	mm	445
Mean piston speed	m/s	10.1
Mean eff.Pressure(MEP)	bar	23.5
Compression ratio		16.5
Displacement/cylinder	L	21.8
Max.combustion pressure	bar	200
Fuel oil acceptance		MGO,MDO,HFO
Injection viscosity	cSt	Max 14
Lubricating oil	Grade	SAE 40
*ISO ambient conditions Tolerance 5%
Fuel oil with lower calorific value of 42700 kJ/kg
Without engine-driven pumps
Addition for engine-driven pumps
1.5%(3g/kWh)for lubricating oil pump
0.7%(1.4g/kWh)for each water pump
**For guidance only

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