Label 1	Label 2
Make / Model	Cummins / 4BTA3.9-G2
Cylinder / Arrangement	4 / Inline
Displacement	3.9 L
Bore and Stroke	102 mm x 120 mm
Compression Ratio	17.3 : 1
Rated Prime KWe	48
Rated RPM	1500 RPM
Frequency Regulation, Steady State	≤1%
Governor	Electronic Speed Control w/ Actuator
ENGINE DATA (CONT'D)
Exhaust Gas Flow	134 L/s
Exhaust Temperature	548 °C
Max Allowable Back Pressure	10 kPa
Fuel Consumption 100% of Prime Rating	14.2 L/h
Total Oil Capacity w/ Filters	11 L
Engine Air Flow	52 L/s
Radiator and Engine Water Capacity	29 L
Max Water Temperature	103 °C
GENERATOR DATA
Make	Stamford / Leroy Somer
Number of Phase	3
Cos Phi	0.8
Pole	4
Coupling	Single Bearing
Exciter Type	Brushless
Insulation Class / Temperature Rise	H / H
IP Rating	IP23
AVR	Included
CONTROL PANEL
Make	Deep Sea/ ComAp/ Similar
Engine Parameters	Oil Pressure, Water Temperature, RPM
Generator Parameters	Frequency, Voltage, Ampere, Cos Phi
Protection	Low Oil Pressure, High Water Temperature, Over-Under Speed,
0	Over-Under Frequency, Over-Under Voltage, Over Current
Other Features	Emergency Stop, Hour Counter, AMF

* Due to continuous product improvements, specifications might change without prior notice
** For best results, please contact your nearest PRIME® Generating Set dealer for consultations