Cummins RS40 QuietConnect Industrial Generator, 40kW @ 277/480V 3-Ph., 1800 RPM | A051Y424

Cummins RS40 Industrial Standby Generator, 40kW @ 277/480V 3-Phase
$ 17,096.00

Currently Out of Stock - Replacement Model Coming Soon!

TOUGHEST, MOST DEPENDABLE INDUSTRIAL GENERATOR FOR YOUR BUSINESS - Cummins RS40, 40kW Liquid-Cooled Quiet Connect Series, 1800 RPM, 277/480V 3-Phase -Long lasting, one of the most dependable generators on the planet. These liquid-cooled power beasts are equipped to guarantee your business operations keep moving through the toughest power conditions.

Designed with the Cummins Quiet Connect technology to ensure efficient and quiet operation, as well as extreme performance through the hottest days and coldest nights, down to -40º F.  Tested and certified per the latest EPA, UL, and IBC Seismic standards, this generator is capable of meeting NFPA 110 requirements when equipped with the necessary accessories and properly installed.

  • Lower Sound, Fuel Consumption and Maintenance - The innovative, flexible exercise mode enables the generator to exercise at a time, frequency and duration that suits the customer's preference - as little as 2 minutes every 6 months - reducing unnecessary fuel consumption, emissions and noise.
  • Robust Anti-Corrosion Enclosure - Designed with an advanced aluminum durable powder coated paint providing superior rust and corrosion prevention. The robust design is capable of withstanding winds up to 150 mph, while operating as the quietest generator of its kind.  Removable panels and service doors to provide easy access for service and maintenance.
  • Self Diagnostics and Easy Service - The Cummins PowerCommand electronic control provides industry-leading self diagnostic capabilities.  Critical components are designed to enable seamless and efficient service and preventive maintenance. 
  • Warranty - 2-Years or 400 Hours (whichever occurs first).  Extended warranty options available.
  • 277/480V, 3-Phase

Important Shipping Information: Lift-Gate service is not available for this product. Forklift equipment will be required to off load this generator from the truck.

Weight 1356 lbs
Dimensions 94"L x 34"W x 45.5"H



Liquid-Cooled, Industrial





Automatic Transfer Switch Included


Remote Monitoring Available?


Rated kW



277/480V 3-Phase

Rated Watts




Fuel Type

Liquid propane, Natural gas