Stationary Power Generation Diesel Engine

NIIGATA DIESEL

AHX Series

World Top Class Performance Achieved

Niigata has been originally developing many types of diesel engines since Japan’s first industrial diesel engine developed in 1919.
The AHX series have been developed with state of the art technology based on the long seller HX series medium speed diesel engines.
Utilizing the huge feedback data of HX series engines, significant improvements of fuel consumption ratio, total efficiency and emission control are achieved responding world requirements of environmental protection.
Niigata stationary diesel engines are reliable and well reputed as they are working in a tough condition such as isolated island power stations, frequent load fluctuated factories in manufacturing companies and etc. all over the world.

Main Particular

50Hz

Model 6L28AHX 8L28AHX 9L28AHX 12V28AHX 16V28AHX 18V28AHX
Mechanical Output(kWm) 2190 2920 3285 4380 5840 6570
Electrical Output(kWe) 2080 2770 3120 4200 5600 6300
Electrical Efficiency(%) 43.8 45.2
Engine Speed(min-1) 750
Bore x Stroke(mm) 280 x 390
BMEP(MPa) 2.43
 

60Hz

Model 6L28AHX 8L28AHX 9L28AHX 12V28AHX 16V28AHX 18V28AHX
Mechanical Output(kWm) 2105 2789 3158 4200 5600 6300
Electrical Output(kWe) 2000 2660 3000 4030 5370 6040
Electrical Efficiency(%) 43.8 45.2
Engine Speed(min-1) 720
Bore x Stroke(mm) 280 x 390
BMEP(MPa) 2.43

Conditions:
(1)Ambient Temperature: 25℃
(2)Cooling Water Temperature at A/C inlet: 25℃
(3)Atmospheric Pressure: 101.3kPa (760mmHg)
(4)Fuel oil: Diesel Oil and/or Heavy Fuel Oil
(5)Generator Efficiency: 6L / 8L / 9L :95%  : 12V/ 16V/18V :96%

 

*Efficiency is subject to ISO standard reference conditions with a tolerance of 5% at rated output and calculated based
on fuel having a net calorific value of 42,700 kJ/kg (10,200 kcal/kg); net consumption calculated excluding leakage and
treated losses.

Engine Dimensions(mm)




Unit: mm/ton
Model L W H Engine Dryweight
6L28AHX 4650 1750 3275 20
8L28AHX 5550 1850 3405 26
9L28AHX 6000 1850 3405 28
12V28AHX 5260 2200 3370 36
16V28AHX 6450 2300 3525 45
18V28AHX 7100 2350 3735 50

Plant Dimensions(mm)

Unit: mm
Model A B C D
6L28AHX 24000 10000 34000 15000
8L28AHX 26000 10000 36000 15000
9L28AHX 27000 10000 37000 15000
12V28AHX 28000 12000 40000 16000
16V28AHX 29500 12000 41500 16000
18V28AHX 30500 12000 42500 16000
 
 
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