







Model: C40N6 - A051Y419 | 1800 RPM | QUIETCONNECT SERIES
✅ IN STOCK - READY TO SHIP
Peace of Mind Power for Your Entire Home
The Cummins RS40 QuietConnect delivers the reliable backup power your family deserves. When storms hit or the grid goes down, this whole house generator automatically kicks in to keep your lights on, appliances running, and life moving forward without interruption.
Built to Last, Engineered to Perform
This isn't just another generator – it's a robust power solution designed to handle whatever nature throws at it. The liquid-cooled engine technology ensures consistent performance in extreme temperatures, from scorching summer heat to bitter winter cold. The unit is even tested to withstand hurricane-force winds up to 180 mph, making it the dependable choice for homes in any climate.
Key Benefits That Matter to You
Ultra-Quiet Operation Sleep peacefully during power outages. The RS40 operates quieter than comparable generators, so you get the power you need without the noise you don't want.
Smart Exercise Mode Your generator stays ready without wasting fuel. The flexible exercise system can run as briefly as 2 minutes every 6 months, dramatically reducing fuel consumption, emissions, and unnecessary noise compared to traditional weekly exercise cycles.
Weather-Resistant Design The advanced aluminum enclosure with powder-coated finish resists rust and corrosion year after year. Removable panels make routine maintenance straightforward, while the durable construction protects your investment.
Intelligent Monitoring The PowerCommand electronic control system continuously monitors performance and diagnoses potential issues before they become problems. Critical components are designed for easy access, making service calls faster and more efficient.
Dual Fuel Flexibility Runs on either natural gas or propane, giving you fuel options that work best for your home and budget.
Technical Specifications
- Power Output: 40 kilowatts
- Fuel Type: Natural gas or liquid-propane (LP)
- Voltage: 120/240V, single-phase
- Engine Speed: 1800 RPM liquid-cooled design
- Noise Level: 63 dB(A) industry-leading quiet operation
- Wind Rating: 180 mph
- Certifications: EPA, UL, and IBC Seismic standards; NFPA 110 capable when properly equipped
- Remote Monitoring: Yes, when connected to WiFi
- Weight: 1356 lbs.
- Dimensions: 94"L x 34"W x 45.5"H
- Automatic Transfer Switch: Not included. See Cummins RA-Series Switches
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Warranty & Support
Your investment is protected with a comprehensive 2-year limited warranty. Extended warranty options are available for additional peace of mind.
Important Delivery Information
Please Note: This generator requires special delivery arrangements. Due to its size and weight, lift-gate service is not available. You will need forklift equipment or similar machinery to safely unload the unit from the delivery truck.