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About the Cummins QSX
The Cummins QSX is a heavy-duty, 15‑litre inline‑6 diesel engine family built for demanding truck, industrial and marine applications. Known for robust low‑end torque, strong durability and flexible power outputs, the QSX combines proven mechanical design with modern fuel systems and emissions technology to deliver reliable performance in severe duty cycles.
- Trusted Seller
NEW CUMMINS DFEK STATIONARY GENERATOR SET
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 671 hp
- Power: 500 kW
The new Cummins DFEK stationary generator set offers a powerful diesel engine with a 500 kW standby output (455 kW prime). It is equipped with the QSX15-G9 engine, delivering 755 HP at 1800 RPM, and meets EPA Tie...
Waukesha, WI 
2025 Cummins DFEK 500 kW Generator Set – UL2200 – 0 Hours – Sound Attenuated
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 671 hp
- Power: 500 kW
49317044 Unused New Cummins 500 kW standby (455 kW prime) diesel generator set, model DFEK, SN-B250418448. Cummins QSX15-G9 engine rated 755 HP at 1800 RPM, SN-80703730, EPA Tier 2 emissions. 3/60/277/480V, 12 le...
Belvidere, IL
New Cummins 500 kW Diesel Generator Set – Model DFEK – 2025
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 671 hp
- Power: 500 kW
49317043 Unused New Cummins 500 kW standby (455 kW prime) diesel generator set, model DFEK, SN-A250405985. Cummins QSX15-G9 engine rated 755 HP at 1800 RPM, SN-80646852, EPA Tier 2 emissions. 3/60/277/480V, 12 le...
Belvidere, IL
Cummins 450 kW Diesel Generator Set — QSX15-G9, 91 Hours, 2020
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 603 hp
- Power: 450 kW
49317040 Used Cummins 450 kW standby (410 kW prime) diesel generator set, model DFEJ, SN-E200767756. Cummins QSX15-G9 NR2 engine rated 755 HP at 1800 RPM, SN-80257492, EPA Tier 2 emissions. 3/60/277/480V, 12 lead...
Belvidere, IL- Trusted Seller
CUMMINS DFEK 500KW TIER 2 STATIONARY GENERATOR SET
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 671 hp
- Power: 500 kW
Kw: 500 | Fuel type: DIESEL
Park Row, TX - Trusted Seller
2007 CUMMINS DFEJ STATIONARY DIESEL GENERATOR
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 603 hp
- Hours: 1,469 h
The 2007 Cummins DFEJ stationary diesel generator is a reliable power solution ideal for various applications, including aggregate and farming. This used model operates at a power output of 450 kW and is driven b...
- Trusted Seller
New Cummins DFEK QSX15-G9 Diesel Generator EPA Tier 2 *****ETA Nov 3, 2025***** $129,900 500 kW
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 671 hp
- Power: 500 kW
The new 2025 Cummins DFEK QSX15-G9 Diesel Generator offers reliable 500 kW standby power with a capacity of 455 kW at prime. Powered by a Cummins QSX15-G9 engine, it generates 755 horsepower at 1800 RPM while mee...
- Trusted Seller
2008 Cummins QSX15
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 671 hp
- Hours: 500 h
Pre-owned Cummins DFEK Generator Set - Powered by QSX15 Diesel Engine - Rated at 500KW, 625KVA, 60Hz, 480V, 1800RPM - Includes Engine Driven Radiator, PowerCommand Digital Control Panel, 800AMP Main Breaker, Jack...
Los Angeles, CA - Trusted Seller
2008 Cummins QSX15
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 671 hp
- Hours: 500 h
Pre-owned Cummins DFEK Generator Set - Powered by QSX15 Diesel Engine - Rated at 500KW, 625KVA, 60Hz, 480V, 1800RPM - Includes Engine Driven Radiator, PowerCommand Digital Control Panel, 800AMP Main Breaker, Jack...
Los Angeles, CA - Trusted Seller
Cummins QSX15G9 Generator 515kw Diesel 600V
- Manufacturer: Cummins
- Model: QSX
- Fuel type: diesel
- Aspiration type: Turbocharged Aftercooled
Cummins Diesel Genset Engine: Cummins QSX15G9, 24 valve (4 valves per head) dual overhead camshaft technology. ~155 hours - 15L, inline six cylinder cast iron block - Holset HX82 turbo - Integrated block design f...
Red Deer, Canada - Trusted Seller
2009 500 kW Cummins QSX15-G9 Diesel Generator Package
- Manufacturer: Cummins
- Model: QSX
- Hours: 330 h
- Fuel type: diesel
Currently installed at behind the fence power facility near Camrose Alberta Canada, this 500kW Cummins back-up diesel generator set is no longer required as it's oversized for the plant, and will be replaced with...
Ferintosh, Canada - Trusted Seller
Cummins QSX15
- Manufacturer: Cummins
- Model: QSX
Upgrade your power solutions with our selection of Cummins QSX15 Gensets. Choose from three reliable options offering 350 kW, 450 kW, and 500 kW capacities, all at 460V 3-phase. Each unit is thoroughly serviced a...
Chilliwack, Canada 
2x Cummins QSX15 G8 generator set 500 KVA power generator
- Manufacturer: Cummins
- Model: QSX
Adam Power Systems GmbH thank you for your interest in our machines, please also take a look at our other offerings. For sale we have two Cummins 500 kva QSX15-G8 power generators in very good condition. Technica...
Kropp, Germany
2008 Cummins QSX15-G9 Generator
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 755 hp
- Hours: 601 h
Engine Description 400 kW Cummins/Onan Generator Set, With Enclosed and Base Fuel Tank, Year - 2008, 601 Hours, US EPA Tier 2
2008 Cummins QSX15-G9 Generator
- Manufacturer: Cummins
- Model: QSX
- Horsepower: 755 hp
- Hours: 59 h
Engine Description 500 kW Cummins/Onan Gen Set, with Enclosure and Base Fuel Tank, Year - 2008, 59 Hours, US EPA Tier 2 Pre Emissions
