Used Cummins 450 kW Diesel Generator Set — QSX15-G9, 91 Hours, 2020

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Stock # 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 reconnectable to other voltages. 800A, 250A and 40A main-line circuit breakers. Oversized generator end rated 515 kW. PMG - permanent magnet generator. UL 2200 listed. PowerCommand digital control panel. Coolant heater. Weather enclosure. 722 gallon UL listed sub-base fuel tank with secondary containment. 91 Hrs. Year 2020. Overall dimensions 60W x 185L x 133H on 6H blocks, 14,000 lbs. Passed load test 4/3/2025.

SPECIFICATIONS

Manufacturer	CumminsCummins
Model	QSX15-G9 N
Serial #	80257492
Category	GeneratorsGenerators
Subcategory	Diesel Fuel and Natural Gas FuelDiesel Fuel and Natural Gas Fuel

Used Equipment Facts About This Machine

🏭 Manufacturer Information

Manufacturer: Cummins Inc.
Headquarters: Columbus, Indiana, USA
Specialization: Cummins is a global leader in power generation systems, known for their reliable diesel and gas generator sets. Their DFEJ model, built around the QSX15-G9 engine, is ideal for commercial and industrial standby or prime power applications.

📋 Description

This Used Cummins DFEJ 450 kW Diesel Generator Set is a low-hour, Tier 2 emissions-certified, weather-enclosed generator designed for standby and prime power applications. Built in 2020 and showing only 91 total operating hours, this unit offers substantial value and performance for critical backup power installations.

Powered by a Cummins QSX15-G9 NR2 diesel engine, rated 755 HP @ 1800 RPM, this generator delivers 450 kW standby and 410 kW prime output capacity. The generator is equipped with an oversized alternator rated at 515 kW, 12-lead reconnectable, and includes a PMG (permanent magnet generator) for improved voltage regulation under variable loads.

The generator has passed a load test on April 3, 2025, and is equipped with multiple main-line circuit breakers (800A, 250A, 40A), a PowerCommand digital control panel, UL 2200 certification, and sits atop a 722-gallon UL-listed sub-base fuel tank with secondary containment.

All of this is packaged in a weatherproof enclosure, and mounted on 6H blocks, with an overall weight of 14,000 lbs and dimensions 60" W x 185" L x 133" H.

⚙️ Specifications

Cummins Diesel Generator Set (Model DFEJ)

Model: DFEJ
Standby Rating: 450 kW
Prime Rating: 410 kW
Generator End (Oversized): 515 kW rated
Engine:
- Type: Cummins QSX15-G9 NR2
- Power: 755 HP @ 1800 RPM
- Emissions: EPA Tier 2
- Serial Number: 80257492
Voltage: 3 Phase / 60 Hz / 277/480V (12-lead reconnectable)
Main Circuit Breakers:
- (1) 800A
- (1) 250A
- (1) 40A
Control System: Cummins PowerCommand digital control panel
Excitation: PMG (Permanent Magnet Generator)
Certifications:
- UL 2200 listed
- Passed load test on 04/03/2025
Enclosure: Weather-protective
Fuel Tank:
- 722-gallon sub-base
- UL listed with secondary containment
Accessories: Coolant heater
Operating Hours: 91 hours
Year Manufactured: 2020
Dimensions: 60” W x 185” L x 133” H
Weight: Approx. 14,000 lbs
Mounting: On 6H blocks

🛠️ Applications

Emergency Backup for Commercial Buildings
Industrial Facilities & Manufacturing Plants
Data Centers & Telecom Hubs
Healthcare & Hospitals
Agricultural Processing Sites
Construction Site Power
Municipal & Utility Backup Systems

📦 What Products or Systems Would This Power

Office building HVAC and lighting
Water treatment facilities
Server rooms or data centers
Hospital emergency power circuits
Retail store refrigeration and POS
Farm irrigation and processing
Warehouse conveyor or lighting systems
Mobile command centers
Backup for telecom tower infrastructure
Large-scale construction equipment

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We offer a variety of finance programs. Contact your sales person or Fred Fial direct for more information on our finance services available.

Fredric S. Fial, CLFP
Ascentium Capital
Work: 281.921.3883
Cell: 602.524.2196

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