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Diesel Generator Set B3.9 Series - 70-82.5 kVA, 56-66 kWe Prime

Diesel Generator Set B3.9 Series - 70-82.5 kVA, 56-66 kWe Prime

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Cummins

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Description
Model C70D5P C82.5D5P
Duty Continuous Continuous
Power Rating (kVA / kWe) 70/56 82.5/66
No. of Phases 3 3
Output Voltage and Frequency (V and Hz) 415 V, 50 Hz 415 V, 50 Hz
Power Factor 0.8 (lagging) 0.8 (lagging)
Current (A) 98 115
RPM 1500 1500
Engine Specification
Make Cummins Cummins
Model 4BTAA3.9-G3 4BTAA3.9-G4
MoEF Certified Power (bhp) 99 110
Required Power for Rated kVA (bhp) 91 105
Cooling Liquid Cooled (EG Compleat 50:50) Liquid Cooled (EG Compleat 50:50)
Aspiration Turbocharged, Charge Air Cooled Turbocharged, Charge Air Cooled
No. Of cylinders 4, In-line 4, In-line
Bore (mm) x Stroke (mm) 102 x 120 102 x 120
Compression ratio 18:1 18:1
Displacement (litre) 3.9 3.9
Fuel High Speed Diesel High Speed Diesel
Fuel consumption @75% load with radiator and fan* (litre/hr) 13.79 15.23
Fuel consumption @100% load with radiator and fan* (litre/hr) 18.29 20.31
Performance class of generator set ISO 8528-5 G2 ISO 8528-5 G2
Starting system 12 V DC Electrical 12 V DC Electrical
Lube oil specification C14+ 15W40 C14+ 15W40
Lube oil sump capacity, High-Low level (litre) 14-9 14-9
Total lubrication system capacity (litre) 16 16
Total coolant capacity (litre) 19 19
Exhaust pipe size (inch) 3.5 3.5
Total wet weight (Engine+Radiator)#* (kg) 450 450
Length x Width x Height (Engine) (mm) 780 x 745 x 890 780 x 745 x 890
Mean Piston speed (m/s) 6 6
Combustion air intake load (±5%) (cfm) 212 212
Exhaust Temperature (°C) 450 259
Alternator Specification
Make Stamford (CGT) Stamford (CGT)
Alternator Frame UC1224F UC1224G
Enclosure IP 23 IP 23
Voltage regulation (Max.) ±1% ±1%
Class of Insulation H Class H Class
Winding Pitch 2/3 2/3
Stator Winding Double layer lap Double layer lap
Rotor Dynamically Balanced Dynamically Balanced
Waveform distortion/ Total Harmonic Distortion No load < 1.5 %, Non distorting balanced linear load < 5 % No load < 1.5 %, Non distorting balanced linear load < 5 %
Maximum Unbalanced Load across phases# less than or equal to 25% less than or equal to 25%
Telephonic Harmonic factor < 2% < 2%
Genset Model C70D5P C82.5D5P
Rating (kVA) 70 82.5
Length (mm) 3850 3850
Width (mm) 1150 1150
Height (mm) 1700 1700
Wet Weight## (kg) 1915 1915
Standard Fuel tank Capacity (litre) 145 145
Shipping Information

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