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630-350-2200
Unused New Cummins 500 kW Diesel Generator Set – Model DFEK – 2025
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 lead reconnectable to other voltages. 800 Amp 100% rated main-line circuit breaker. PMG permanent magnet generator. Engine cooling radiator rated 50C/122F ambient. UL 2200 listed package. PowerCommand 2.3 digital control panel. EnerGenius battery charger 10 Amp. Coolant heater 208/240/480V. Weather enclosure. 850 gallon UL142 sub-base fuel tank with secondary containment. Batteries and start up not included. 0 Hours. Year 2025. Cummins 2 Yr 1000 Hr limited warranty. Overall dimensions 86W x 188L x 117H, 16,879 lbs.
| Manufacturer | CumminsCummins |
| Model | QSX15-G9 N |
| Serial # | 80646852 |
| Category | GeneratorsGenerators |
| Subcategory | Diesel Fuel and Natural Gas FuelDiesel Fuel and Natural Gas Fuel |
🏭 Manufacturer Info
-
Brand: Cummins
-
Model: DFEK
-
Generator Serial Number: A250405985
-
Engine Model: QSX15-G9
-
Engine Serial Number: 80646852
-
Engine Power: 755 HP @ 1800 RPM
-
Emission Certification: EPA Tier 2
-
Country of Manufacture: USA
-
Year of Manufacture: 2025
📄 Description
This unused 2025 Cummins DFEK diesel generator set delivers 500 kW standby (455 kW prime) power backed by a robust QSX15-G9 engine and EPA Tier 2 compliance. It features zero hours of operation and includes a 2-year / 1,000-hour Cummins limited warranty. The generator is equipped with an 800 Amp 100% rated main-line breaker, PMG excitation, and a PowerCommand 2.3 digital controller for advanced monitoring and control.
The generator package is UL2200 listed and includes a 10 Amp EnerGenius battery charger, 208/240/480V coolant heater, and an 850-gallon UL142 sub-base fuel tank with secondary containment. It is housed in a weather-protective enclosure, though batteries and startup are not included.
⚙️ Specifications
| Specification | Details |
|---|---|
| Standby Rating | 500 kW |
| Prime Rating | 455 kW |
| Voltage | 3-phase, 277/480V, 12-lead reconnectable |
| Frequency | 60 Hz |
| Engine Model | Cummins QSX15-G9 |
| Engine Power | 755 HP @ 1800 RPM |
| Emissions Compliance | EPA Tier 2 |
| Cooling System | Radiator rated to 50°C / 122°F |
| Control Panel | PowerCommand 2.3 |
| Circuit Breaker | 800 Amp, 100% rated |
| Generator Excitation | PMG (Permanent Magnet Generator) |
| Enclosure Type | Weather-resistant |
| Battery Charger | EnerGenius, 10 Amp |
| Coolant Heater | 208/240/480V |
| Fuel Tank Capacity | 850 gallons, UL142 sub-base with containment |
| Runtime Hours | 0 (Unused) |
| Warranty | Cummins 2-Year / 1,000-Hour Limited Warranty |
| Year Built | 2025 |
| Dimensions (W x L x H) | 86" x 188" x 117" |
| Weight | 16,879 lbs |
🧰 Applications
Perfect for:
-
Critical infrastructure backup
-
Data center emergency power
-
Large commercial buildings
-
Utility substation support
-
Hospitals and healthcare facilities
-
Industrial manufacturing sites
-
Remote or off-grid construction power
-
Disaster relief and recovery systems
📦 Used For (Products)
-
Standby emergency power systems
-
Generator-based UPS backups
-
Power redundancy for mission-critical operations
-
High-load transfer systems
-
Off-grid industrial power generation
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Peak shaving systems for utilities
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"Dealing with Aaron is an easy and enjoyable process"
"Aaron Equipment is always my first call for used process equipment. Their inventory and customer service has ensured successful project results every time. Thanks y’all!"
"I have purchased all different types of equipment from Aaron Equipment over the last 10 years and have always been 100% happy with not only the equipment but with their customer service!"
"Working with Aaron Equipment Company was as easy as it gets."
"It is a pleasure to work with AEK and I would recommend them as an equipment supplier."
"The partnership we enjoy with Aaron has helped our business to be what it is today – thank you guys!”
"I will definitely use Aaron Equipment in the future."
"Aaron’s customer service indicates that they want long term partnerships and that is something we especially appreciate."
"I really value shopping for used equipment from Aaron Equipment Company because the information they present is accurate, their prices fair and their customer service is the best…Highly recommend."
"This is my first time using Aaron Equipment to purchase equipment. They were easy to work with and things were done quickly and efficiently. I will be a repeat customer when the need arises. This is a trustworthy company that delivers what they advertise."
"I have purchased multiple pieces of equipment through Aaron equipment over the past 15 years. The staff has been very knowledgeable on every request & have spent countless hours ensuring that the equipment I was purchasing met my expectations."
"I have been doing business with Aaron equipment for many years. This year I had the need for some used equipment in a new business Venture. I got in touch with Ryan Davies. I could not be happier with the response and honesty exhibited by him. Dealing with them was a pleasure and everything was as represented. Fair an Honest is how I would describe them."
“Aaron Equipment was very easy to get into contact with and get a price on a un-used chiller they were selling. The process was seamless and very easy on our end and we had the equipment much faster than going out for bid on it to multiple vendors and we able to come in under budget on the project.”
"Aaron Equipment is always my first call for used process equipment. Their inventory and customer service has ensured successful project results every time. Thanks y’all!"
"I have purchased all different types of equipment from Aaron Equipment over the last 10 years and have always been 100% happy with not only the equipment but with their customer service!"
"Working with Aaron Equipment Company was as easy as it gets."
"It is a pleasure to work with AEK and I would recommend them as an equipment supplier."
"The partnership we enjoy with Aaron has helped our business to be what it is today – thank you guys!”
"I will definitely use Aaron Equipment in the future."
"Aaron’s customer service indicates that they want long term partnerships and that is something we especially appreciate."
"I really value shopping for used equipment from Aaron Equipment Company because the information they present is accurate, their prices fair and their customer service is the best…Highly recommend."
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 lead reconnectable to other voltages. 800 Amp 100% rated main-line circuit breaker. PMG permanent magnet generator. Engine cooling radiator rated 50C/122F ambient. UL 2200 listed package. PowerCommand 2.3 digital control panel. EnerGenius battery charger 10 Amp. Coolant heater 208/240/480V. Weather enclosure. 850 gallon UL142 sub-base fuel tank with secondary containment. Batteries and start up not included. 0 Hours. Year 2025. Cummins 2 Yr 1000 Hr limited warranty. Overall dimensions 86W x 188L x 117H, 16,879 lbs.
🏭 Manufacturer Info
-
Brand: Cummins
-
Model: DFEK
-
Generator Serial Number: A250405985
-
Engine Model: QSX15-G9
-
Engine Serial Number: 80646852
-
Engine Power: 755 HP @ 1800 RPM
-
Emission Certification: EPA Tier 2
-
Country of Manufacture: USA
-
Year of Manufacture: 2025
📄 Description
This unused 2025 Cummins DFEK diesel generator set delivers 500 kW standby (455 kW prime) power backed by a robust QSX15-G9 engine and EPA Tier 2 compliance. It features zero hours of operation and includes a 2-year / 1,000-hour Cummins limited warranty. The generator is equipped with an 800 Amp 100% rated main-line breaker, PMG excitation, and a PowerCommand 2.3 digital controller for advanced monitoring and control.
The generator package is UL2200 listed and includes a 10 Amp EnerGenius battery charger, 208/240/480V coolant heater, and an 850-gallon UL142 sub-base fuel tank with secondary containment. It is housed in a weather-protective enclosure, though batteries and startup are not included.
⚙️ Specifications
| Specification | Details |
|---|---|
| Standby Rating | 500 kW |
| Prime Rating | 455 kW |
| Voltage | 3-phase, 277/480V, 12-lead reconnectable |
| Frequency | 60 Hz |
| Engine Model | Cummins QSX15-G9 |
| Engine Power | 755 HP @ 1800 RPM |
| Emissions Compliance | EPA Tier 2 |
| Cooling System | Radiator rated to 50°C / 122°F |
| Control Panel | PowerCommand 2.3 |
| Circuit Breaker | 800 Amp, 100% rated |
| Generator Excitation | PMG (Permanent Magnet Generator) |
| Enclosure Type | Weather-resistant |
| Battery Charger | EnerGenius, 10 Amp |
| Coolant Heater | 208/240/480V |
| Fuel Tank Capacity | 850 gallons, UL142 sub-base with containment |
| Runtime Hours | 0 (Unused) |
| Warranty | Cummins 2-Year / 1,000-Hour Limited Warranty |
| Year Built | 2025 |
| Dimensions (W x L x H) | 86" x 188" x 117" |
| Weight | 16,879 lbs |
🧰 Applications
Perfect for:
-
Critical infrastructure backup
-
Data center emergency power
-
Large commercial buildings
-
Utility substation support
-
Hospitals and healthcare facilities
-
Industrial manufacturing sites
-
Remote or off-grid construction power
-
Disaster relief and recovery systems
📦 Used For (Products)
-
Standby emergency power systems
-
Generator-based UPS backups
-
Power redundancy for mission-critical operations
-
High-load transfer systems
-
Off-grid industrial power generation
-
Peak shaving systems for utilities
-
Generator rentals and deployments
-
Large-scale site commissioning
| Manufacturer | Cummins |
| Model | QSX15-G9 N |
| Serial # | 80646852 |
| Category | Generators |
| Subcategory | Diesel Fuel and Natural Gas Fuel |
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