This new 2026 Cummins DFEK diesel generator delivers 500 kW of standby power and 455 kW of prime power. Listed under PTX# N02-G261, this unit has 0 operating hours and is offered at $139,900.

Powered by a Cummins QSX15-G9 NR2 diesel engine rated at 755 HP at 1,800 RPM, this generator is configured for 277/480V, three-phase, 60 Hz output. Its 12-lead alternator is reconnectable to other voltages. The package includes a weather enclosure, an 850-gallon sub-base fuel tank, and a PowerCommand 2.3 digital control panel. The unit carries an EPA Tier 2 emissions classification.

Why Choose This Cummins DFEK Generator?

• 500 kW Standby / 455 kW Prime: Offers capacity for commercial and industrial projects with substantial electrical requirements.
• New With 0 Listed Hours: A 2026 generator package listed in new condition.
• Cummins QSX15-G9 NR2 Engine: Rated at 755 HP at 1,800 RPM.
• Reconnectable Alternator: Configured for 277/480V with 12 leads for reconnection to other voltages, subject to the appropriate configuration.
• Controls and Electrical Equipment: Includes a PowerCommand 2.3 digital control panel, PMG excitation, and an 800 Amp, 100% rated main-line circuit breaker.
• 850-Gallon Fuel Tank: UL 142 sub-base fuel tank with secondary containment.
• Weather Enclosure: Enclosed generator package with an engine cooling radiator rated for 50°C / 122°F ambient.
• Additional Equipment: UL 2200 listed package, EnerGenius 10 Amp battery charger supplied loose, and a 208/240/480V coolant heater.

Who Needs This Generator?

The Cummins DFEK 500 kW diesel generator is an option for facilities evaluating standby or prime power. Selection depends on calculated electrical loads, motor-starting requirements, operating duty, and installation conditions.

• Industrial Facilities: For projects evaluating power support for equipment and facility systems.
• Commercial Properties: For businesses planning backup generation for selected building loads.
• Manufacturing Operations: For facilities assessing generation capacity for production equipment and supporting electrical systems.
• Warehouses and Distribution Centers: For projects requiring power support for lighting, equipment, and other selected loads.
• Prime Power Applications: The listed 455 kW prime rating provides a capacity basis for prime power projects, subject to the manufacturer’s operating limits.

Buyer Notes

• Warranty: Listed with a Cummins 2-year / 1,000-hour limited warranty. Confirm coverage and commencement details before purchase.
• Excluded Items: Batteries and start-up are not included. The battery charger ships loose.
• Dimensions and Weight: Overall dimensions are 86 inches wide × 188 inches long × 121 inches high. Listed weight is 16,879 lbs.
• Location and Shipping: Offered FOB Waukesha, Wisconsin. Plan for transportation, unloading, placement, and installation.
• Emissions and Voltage: Confirm that the EPA Tier 2 classification and intended voltage configuration meet the project’s requirements.

Power Trade X Buying Process

Review the Cummins DFEK specifications against your project’s electrical and installation requirements before ordering. Discuss voltage configuration, transportation, delivery access, unloading, batteries, and start-up arrangements with the team.

Frequently Asked Questions