Cummins QSK78-G9 Industrial Diesel Generator Engine

Cummins QSK78-G9 Diesel Engine Specification


  • Max Standby Output: 3000 kVA / 2400 kW
  • Max Prime Output: 2750 kVA / 2200 kW
  • Max Base Output: 2444 kVA / 1956 kW
  • RPM: 1500
  • Frequency: 50 Hz
  • Fuel Type: Diesel
  • Emissions: Non-Regulated
  • Cylinders: 18
  • Fuel Consumption: 569 L/hr (100% Standby Load)
  • Bore: 170 mm
  • Stroke: 190 mm
  • Displacement: 77.6 litres
  • Battery Charging Alternator: 55 Amps
  • Starting Voltage: 24 Volts
  • Fuel System: Direct Injection Cummins HPI
  • Lube Oil Capacity: 465 litres

Cummins QSK Series QSK78-G9

The Cummins QSK78-G9 is a 78 litre 50 Hz 1500 RPM Diesel Engine capable of an electrical output of up to 3000 kVA (2400 kW) standby / 2750 kVA (2200 kW) prime.

The Cummins QSK78-G9 is an 18 cylinder industrial 78-litre diesel generator engine. This Cummins Quantum Series engine takes advantage of premuim engineering and state-of-the-art electronics to provide the notable versatility, reliability and performance levels expected of Cummins' diesel generator engines, for prime, standby & continuous power applications.

Generators Containing the Cummins QSK78-G9 Engine: