Cummins 28kw diesel generator set

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Cummins 28kw diesel generator set

Cummins Landbase Generator Set

Genset Model: AC28SD1
Engine Model: Cummins 4BT3.9-G2
Alternator Model: Stamford PI144H
Frequency: 50Hz
Winding Connection: 3-Phase, 4-Wire
Protection Class: IP23
Voltage Regulator: AVR
Net Weight: 830KG
Dimession: 1760×760×1380mm

  • Specifications
Prime Power (50Hz) 28 KW 35 KVA
Standby Power (50Hz) 32 KW 40 KVA

Generator Ratings

Voltage(V) Hz Phase P.F


Prime Amps (A) Prime Ratings


440 254 50 3 0.8 43.63 26.6 33.3
415 240 50 3 0.8 48.69 28 35
400 230 50 3 0.8 50.51 28 35
380 220 50 3 0.8 53.17 28 35

Prime Power (PRP): Prime power is available for an unlimited number of annual hours in variable load application, in accordance with GB/T2820-97 (eqv ISO8528) ; A 10% overload capability is available for a period of 1 hour within a 12-hour period of operation.

Standby Power Rating (ESP): The standby power rating is applicable for supplying emergency power for the duration of a utility power interruption. No overload, utility parallel or negotiated outage operation capability is available at this rating.

Engine Data

Manufacturer / Model: DCEC Cummins 4B3.9-G2 , 4-cycle
Air Intake System: Air natural cooled
Fuel System:A model fuel pump
Bore and Stroke:102*120(mm)
Compression Ratio: 16.5:1
Cylinder Arrangement: 4 in line
Displacement: 3.9L
Rated RPM: 1500rpm
Max. Standby Power: 27KW/36.7HP
Governor Type: Electronic (Std) / RSV Mechanical(Optional)

Exhaust system
Exhaust Gas Flow: 6.5m³/min
Exhaust Temperature: 487°C
Max Back Pressure: 10kPa
Air Intake System
Max Intake Restriction: 6.1kPa
Burning Capacity: 2.7m³/min
Air Flow: 146m³/min
Fuel System
100%( Prime Power) Load: 229 g/Kw.h
75%( Prime Power) Load: 241 g/Kw.h
50%( Prime Power) Load: 270 g/Kw.h
110%( Prime Power) Load: 9.8L/h
Oil System
Total Oil Capacity: 11L
Oil Consumption:  ≤4g/kwh
Engine Oil Tank Capacity: 8.5-9.5L
Oil Pressure at Rated RPM: 345kPa
Cooling System
Total Coolant Capacity: 21L
Thermostat: 82-95℃
Max Water Temperature: 104℃


1. All the Cummins Generator Set can coupled with 8,12,24 hours basic fuel tank.
2. Each Cummins Generator Set is subjected to a comprehensive test program which includes 50% load, 75% load, 100% load and 110% load.
3. If you need the genset with ATS, silent type, remote control or synchronizing parallel operation, kindly inform of us in advance.

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