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Cummins A051Y424 RS40 40kw Power Quiet Connect™ Series Liquid Cooled 3 Phase Home Standby Generator LP/NG New

by Cummins
SKU A051Y424
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Original price $13,870.00
Original price $13,870.00 - Original price $13,870.00
Original price $13,870.00
Current price $12,483.99
$12,483.99 - $12,483.99
Current price $12,483.99


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Equipped with 2400 cc engine, the Cummins Quiet Connect RS Cummins A051Y424 RS40 40kw Power Quiet Connect™ Series Liquid Cooled 3 Phase Home Standby Generator LP/NG NewSeries 22-40kW Standby Generator is a reliable source of power for

medium to large homes. It runs at 22,000 to 40,000 watts both on natural or propane gas with a voltage of 120/208 single phase to 277/480 three phase. The engine has a 12V automatic starting system and runs a 5-ton A/C under full preload. It features a liquid-cooled cooling system with extremely quiet operation up to 60 to 64-decibel rating at 23 feet with a Sandstone Sound Level 1 enclosure and muffler. It has 1,800 RPM designed to provide reliability and fuel efficiency.


  • Reliable Cummins Engine - QSJ2.4 engine for reliable power
  • Robust Product Design and Testing
  • Flexible Exercise mode duration that suits the customer's preference - as little as 2 minutes every 6 months
  • Advanced Enclosure Design capable of withstanding winds up to 150 MPH
  • Self diagnostics and easy service
  • Control Systems - PowerCommand 1.1 control with 128 x 64 backlit LED display for improved user experience
  • Brushless Proven Alternator
  • Sound Attenuated - aluminum enclosure material plus durable powder coat paint
  • Limited Base Warranty - 2 Years/400 Hours Standby


Manufacturer's Warranty 2 Yr Consumer Limited
Rated Watts 40,000
Voltage 3 phase (208/240/480v)
Start Type Automatic w/ transfer switch (not included)
Engine Cummins Onan
Engine Displacement 2.4L
Decibel Level @ 23 ft. 63db
Fuel Consumption (NG) 519 cu.ft/hr (full load) 304.7 cu.ft/hr (half load)
Fuel Consumption (LP) 5.4 gal/hr (full load) 3.4 gal/hr (half load)
Fuel Type Liquid Propane or Natural Gas

Order shipment preparation takes 3 days. Once shipped orders usually take 2 weeks to be delivered. These are estimations; delivery can be delayed for reasons beyond our control. You can always contact us to know the exact delivery time once you placed an order with us. Have a look at our shipping policy here.