Cummins 640kw diesel generator set

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Cummins 640kw diesel generator set

Cummins Landbase Generator Set

Genset Model: AC640SD1
Engine Model: CCEC Cummins KTA38-G2B
Alternator Model: Stamford LVI634H
Frequency: 50Hz
Winding Connection: 3-Phase, 4-Wire
Protection Class: IP23
Voltage Regulator: AVR
Net Weight: 7140KG
Dimession: 4200×1850×2383mm

  • Specifications
Prime Power (50Hz) 640KW 800 KVA
Standby Power (50Hz) 704KW 880 KVA

Generator Ratings

Voltage(V) Hz Phase P.F


Prime Amps (A) Prime Ratings


440 254 50 3 0.8 NA NA NA
415 240 50 3 0.8 1113 640 800
400 230 50 3 0.8 1154.73 640 800
380 220 50 3 0.8 1215.51 640 800

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: CCEC Cummins KTA38-G2B,  4-cycle
Air Intake System: Turbo, Water/Air cooling
Fuel System:PT type fuel pump, EFC
Cylinder Arrangement: “V” in line;12 Cylinder
Displacement: 37.8L
Bore and Stroke: 159*159(mm)
Compression Ratio: 13.5:1
Rated RPM: 1500rpm
Max. Standby Power:789KW/1073HP
Governor Type: Electronic Speed Control System

Exhaust system
Exhaust Gas Flow: 2643L/s
Exhaust Temperature: 552°C
Max Back Pressure: 10kPa
Air Intake System
Max Intake Restriction: 6.25kPa
Burning Capacity: 920L/s
Air Flow: 30425L/s
Fuel System
100%( Prime Power) Load: 213 g/Kw.h
75%( Prime Power) Load: 217g/Kw.h
50%( Prime Power) Load: 230g/Kw.h
100%( Prime Power) Load: 152L/h
Oil System
Total Oil Capacity: 135L
Oil Consumption:  ≤4g/kwh
Engine Oil Tank Capacity: 114L
Oil Pressure at Rated RPM: 310-448kPa
Cooling System
Total Coolant Capacity: 252L
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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