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The cummins rx40 power connect™ series 40kw standby power generator (120/240v 3-phase) is available for purchase today.

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Cummins RX40 Power Connect™ Series 40kW Standby Power Generator (120/240V 3-Phase)

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Liquid Cooled Standby Generators
40 kW
Rated Watts
120/240 Three-Phase
Cummins Power Connect
For light commercial applications w/ 120/240V 3-Phase power

Powerd By Cummins 2.4L Liquid-Cooled Engine
A reliable and dependable power source you can trust

Brushless CA Series Alternator
Provides +/- 1% voltage & +/- 0.25% frequency regulation
As close to utility power as you can get in a standby generator

Advanced Design Sound Attenuated Aluminum Enclosure
Aesthetically appealing withstands winds up to 150 MPH
Reduces sounds levels to 71dB @ 7M

PowerCommand® Electronic Control
Provides industry-leading self-diagnostic capabilities

Flexible Exercise Mode
Exercise at a time, frequency and duration that suits you
Reducing unnecessary fuel consumption, emissions and noise

Coolant Heater For Extreme Environmental Conditions (Included)
Factory installed, Allows for cold weather starts down to -40 °F

Automatic Transfer Switch (Sold Separately)
Engine Brand
Cummins Onan
2400 CC
Consumer Engine Warranty
2 Years
Commercial Engine Warranty
2 Years
Engine RPM
3600 RPM
Low Oil Alert/Shutdown
Product Specs
120/240 Three-Phase
60 Hertz
Surge Watts
40000 Watts
Rated Watts
40000 Watts
Fuel Type
LP/Natural Gas
NG Power Capacity
40000 Watts
LP Power Capacity
40000 Watts
NG Fuel Consumption @ 50% Load
373.9 (BTU: 373,900 BTU/HR) ft3/hr
NG Fuel Consumption @ 100% Load
573.2 (BTU: 573,200 BTU/HR) ft3/hr
LP Fuel Consumption @ 50% Load
4.2 (BTU: 381,150 BTU/HR) gallons/hr
LP Fuel Consumption @ 100% Load
6.5 (BTU: 589,875 BTU/HR) gallons/hr
Rated Amps
120 @ 240 Volts (Three Phase) Amps
Decibel Rating @ 7m
71 dbA
Transfer Switch
Automatic (Not Included)
Not Included (550 CCA)
Mounting Pad
Concrete (Not Included)
Cooling System
Liquid Cooled
UL Listed
Made in USA
1249 Pounds
Product Length
94 Inches
Product Width
34 Inches
Product Height
45.5 Inches
Consumer Warranty
2 Years
Commercial Warranty
2 Years

*Ask Mike about the Cummins Power Generation RX40-240. Sorry, no repair questions:




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Free Freight
  • Ships via Semi-Truck
  • Requires a loading dock or forklift
  • Free to Lower 48 States
We currently CANNOT ship this product to Alaska, California, Hawaii, Indiana, North Dakota, Wisconsin or any destination outside of the United States

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Shop for the Cummins RX40 Power Connect™ Series 40kW Standby Power Generator (120/240V 3-Phase) at Electric Generators Direct. Research Cummins Power Generation standby liquid-cooled generators online. Find Cummins Power Generation RX40-240 standby liquid-cooled generators & 40 kW Power Connect 3Phase 240 features and specifications. Get the best deal; compare Cummins Power Generation RX40-240 prices now. Buy the RX40-240 direct and save.