Powerful commercial-grade generator solutions designed for demanding applications. Our 500–999 kW units deliver reliable, continuous power for industrial facilities, data centers, hospitals, manufacturing, and mission-critical operations. Available in diesel and natural gas configurations, each generator is tested, inspected, and ready for customization to meet your specific site requirements. Get dependable performance, fast availability, and expert support from selection to installation.
Showing all 22 results 1234
Showing 1–22 of 22 500-999kw-generators
2007 CAT 3516C-HD 2500kW Diesel Generator Set
kW: 2500
Volts: 480
Fuel: Diesel
Condition: Used
Hours: 690
Serial #: SBK00296
2007 Cummins DQFAC 900kW Diesel Generator Set
kW: 900
Volts: 277/480
Fuel: Diesel
Condition: Used
Hours: 710
Serial #: C070039228
2008 Kohler 800REOZMB 800kW Diesel Generator Set
kW: 800
Volts: 277/480V, 3-phase, 12-lead reconnectable
Fuel: Diesel
Condition: Used
Hours: 528
Serial #: 2231580
1999 CAT 3412 800kW Diesel Generator Set
kW: 800
Volts: 480
Fuel: Diesel
Condition: Used
Hours: 968
Serial #: 2WJ02228
2012 CAT C27 800kW Diesel Generator Set
kW: 800
Volts: 480
Fuel: Diesel
Condition: Used
Hours: 280
Serial #: DWB02908
2002 Cummins DFHA 750kW Generator Set
kW: 750
Volts: 277/480
Fuel: Diesel
Condition: Used
Hours: 1243
Serial #: J020420615
1996 CAT 3412 750kW Diesel Generator Set
kW: 750
Volts: 480
Fuel: Diesel
Condition: Used
Hours: 843
Serial #: 2WJ01021
2004 CAT 3412 750kW Diesel Generator Set
kW: 750
Volts: 480
Fuel: Diesel
Condition: Used
Hours: 541
Serial #: 9EP03011
2004 CAT 3412 750kW Diesel Generator Set
kW: 750
Volts: 480
Fuel: Diesel
Condition: Used
Hours: 515
Serial #: DJN00392
1998 CAT 3412 750kW Diesel Generator Set
kW: 750
Volts: 480
Fuel: Diesel
Condition: Used
Hours: 255
Serial #: 2WJ02004
1999 CAT 3412 750kW Diesel Generator Set
kW: 750
Volts: 480
Fuel: Diesel
Condition: Used
Hours: 946
Serial #: 2WJ02674
2003 CAT SR4 750kW Generator End
kW: 750
Volts: 2400
Fuel: Diesel
Condition: Used
Hours: —
Serial #: AFK00516
2025 Cummins DQCB 750kW Diesel Generator Set (In Stock)
kW: 750
Volts: 480
Fuel: Diesel
Condition: Used
Hours: 0
Serial #: F250460261
2009 Cummins DQCA 600kw Diesel Generator Set
kW: 600
Volts: 480
Fuel: Diesel
Condition: Used
Hours: 836
Serial #: D090240184
2015 Cummins 500kW 500GFGB Natural Gas Generator Set
kW: 503
Volts: 480
Fuel: Natural Gas
Condition: Used
Hours: < 500
Serial #: —
2020 CAT XQ570 500kW Portable Diesel Generator
kW: 500
Volts: 480V (reconnectable)
Fuel: Diesel
Condition: Used
Hours: 2009
Serial #: ME500244
2026 Cummins DFEK QSX15-G9 500kW Diesel Generator Set
kW: 500
Volts: 480
Fuel: Diesel
Condition: New
Hours: 0
Serial #: TBD
2026 Cummins DFEK 500kW Diesel Generator Set (In Stock)
kW: 500
Volts: 480
Fuel: Diesel
Condition: New
Hours: 0
Serial #: C260538437
2026 Cummins DFEK 500kW Diesel Generator Set (ETA April 1, 2026)
kW: 500
Volts: 480
Fuel: Diesel
Condition: New
Hours: 0
Serial #: TBD April 1
2023 CAT 500GC 500kW Diesel Generator Set (In Stock)
kW: 500
Volts: 277/480V, 3 Phase, 60 Hz
Fuel: Diesel
Condition: New
Hours: 0
Serial #: RK500339
2001 CAT 3412 500kW Diesel Generator Set
kW: 500
Volts: 208
Fuel: Diesel
Condition: Used
Hours: 362
Serial #: BCW00251
2023 CAT 500GC 500kW Diesel Generator Set (In Stock)
kW: 500
Volts: 480
Fuel: Diesel
Condition: New
Hours: 0
Serial #: RK500411
