Description
The Cummins RS40 is a 40kW standby generator engineered to support larger homes or light commercial buildings that can’t afford to lose power. Designed with durability and quiet operation in mind, this unit is powered by a 2.4L liquid-cooled engine and operates at a steady 1800 RPM for efficient, long-lasting performance. Whether you’re powering critical systems at home or maintaining business continuity, the RS40 offers dependable operation with minimal noise and maximum control, thanks to its PowerCommand® 1.1 digital controller.
Model Variants:
A051Y419 – RS40 120/240V Single-Phase
A051Y420 – RS40 120/208V Three-Phase
A051Y421 – RS40 120/240 Three-Phase
A051Y424 – 277/480V Three-Phase
Specifications – 40kW Generator
- Power Output: 40 kW (50 kVA) standby
- Engine: 2.4L 4-cylinder liquid-cooled, 1800 RPM
- Fuel Type: Natural Gas or Propane
- Sound Level: ~64 dB(A) at 23 ft (normal load)
- Enclosure: Aluminum, sound-attenuated and weather-resistant
- Dimensions: 94 x 34 x 45.5 in
- Weight: 1,294 lbs
- Controller: PowerCommand 1.1—self-diagnostics, flexible exercise, and remote monitoring support
- Certifications: UL 2200, CSA, EPA-certified
- Cold Weather Ready: Operates in -40°F with proper accessories
*Weights may vary.