QSG12 360 Generators – 500 KVA / 288 – 420 KW GENERATOR SETS

Cummins QSG11.8L Engine

  • Turbocharged & after cooler with electric governor for optimized performance and reliability
  • Best in class fuel consumption

New S Series alternator

  • New core cooling technology results in improved thermal performance and increased power density

Air Cleaner

  • Normal duty air cleaner, optional heavy-duty AC
  • Standard pre-filter and fuel/water separator

Controls System – PowerCommand®

  • Pedestal design, dual door with improved reliability and serviceability
  • Separate fuse box design for maintenance convenience
  • PC2.2 new generation controller
  • Optional paralleling controller
  • Auto remote start/shutdown, alarm and running status

Higher power density in a smaller footprint

  • Reduces genset room size requirement
  • Lowers transportation cost

Factory Fit Enclosures 

  • Provide weather protection & sound attenuation
  • Ambient capability up to 50 Deg C
  • 765 L Fuel tank with spillage catchment is available on all genset models
  • Wide and long fuel fill neck on the fuel tank provides easy access and fill by the operator
  • 2 point lifting and optional 4 point chassis lifting arrangement available

Extended Service Interval of 500 hours

  • Reduces the labor and material cost for maintenance
  • Greater fuel efficiency
  • Increased engine protection
SKU: QSG12 Category:


The Cummins Power Generation industrial genset is a fully integrated power generation system providing optimum performance, reliability and versatility for stationary standby and main power sources.

The QSG12 50 and 60 Hz generator sets, with their improved design and advanced combustion system, provide more power in less space, providing a much higher power density and more reliable power supply solution. The series is available from 400-450kVA at 50Hz and from 350-400kW at 60Hz.

These models are equipped with a Cummins four-stroke inline 6-cylinder two-speed diesel engine, providing more reliable performance with lower fuel consumption. The new product line is designed for a wide range of applications to meet the diverse needs of customers in a variety of markets such as hospitals, manufacturing, commercial and industrial facilities.

Generator Model Engine Model Hz Prime kVA / kW Standby kVA / kW Alternator Genset Controller
C400D5 QSG12G1 50 360/288 400/320 S4L1D-F41 PC 2.2
C450D5 QSG12G2 50 410/328 450/360 S4L1D-G41  PC 2.2
C350D6 QSG12G3 60 400/320 438 / 350 S4L1D-F41  PC 2.2
C400D6 QSG12G4 60 456/365 500/400 S4L1D-G41  PC 2.2


Additional information


Commercial, Healthcare, Industrial, Mining Generators, Telecom

Frequency (Hz)

50, 60


AS/NZS 3000, CE, EAC, EU Grid Code, ROHS, SONCAP

Fuel Type