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Engine spec
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Engine Model
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4BT3.9-G2
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Number of Cylinders
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4cylinders, Vertical in line
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Cycle
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4 stroke
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Aspiration
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Turbocharged and after water cooled
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Bore×Stroke
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102mm x120mm
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Displacement
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3.9L
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Compression ratio
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16.5:1
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Prime Power/Speed
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40KW / 1800rpm
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Standby Power/Speed
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45KW / 1800rpm
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Speed Governor
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electrical
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Cooling System
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Forced water cooling cycle
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Steady speed droop
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≤1%
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Total lubrication system capacity
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11L
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Coolant capacity (engine only)
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7.9L
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Fuel Consumption at 100% Load
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214g/kw.h
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Starter Motor
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DC24V
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Alternator
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DC24V
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Alternator spec
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Alternator brand
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Stamford/Leroy Somer/Marathon/Mecc-Alte
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Alternator model
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PI144H
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Prime power
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32KW/40KVA
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Frequency/speed
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60Hz/1800rpm
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Exciter type
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Single bearing, Brushless, Self-excited
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Power factor
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0.8
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Voltage adjust range
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≥5%
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Voltage regulation NL-FL
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≤±1%
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Insulation Grade
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H
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Protection Grade
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IP23
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Phase
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Three phases or Single phase
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