Cummins A051Y420 RS40 40kw Power Quiet Connect™ Series Liquid Cooled 3 Phase Home Standby Generator LP/NG New

Equipped with 2400 cc engine, the Cummins Quiet Connect RS Cummins A051Y420 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.

Features

Specifications

What Our Experts Think

The Cummins A051Y420 RS40 40kW Quiet Connect™ Series Home Standby Generator offers robust, reliable power for large homes or commercial spaces. Here’s why it’s a standout choice:

• Powerful 40kW Output: Provides 40kW of continuous power, perfect for homes or businesses with significant power needs, ensuring smooth operation of HVAC systems, appliances, and more during outages.
• Dual Fuel Capability: Runs on both LP and Natural Gas (NG), offering flexibility and longer runtime options during extended power disruptions.
• Liquid-Cooled System: Features a liquid-cooled engine for superior efficiency, quieter operation, and enhanced durability compared to air-cooled alternatives.
• Three-Phase Power: Delivers stable, balanced three-phase 120/208V power, ideal for high-demand residential or commercial applications.
• Quiet Operation: Advanced noise-reduction technology ensures that the generator operates quietly, reducing disruption to your household or neighborhood.
• Automatic Transfer Switch: Instantly detects power loss and automatically transfers to generator power, keeping your home or business fully powered without any action required on your part.
• Weather-Resistant & Durable: Built to withstand the elements with a weather-resistant enclosure, ensuring reliable performance in various environmental conditions.

Q&A

Q: What is the power output?
A: 40kW, ideal for providing reliable backup power to large homes or commercial applications.

Q: What type of cooling system does it use?
A: It features a liquid-cooled system, ensuring efficient cooling for longer-lasting performance and quieter operation.

Q: What fuel types are compatible?
A: This generator supports both LP (liquid propane) and NG (natural gas) for flexible fueling options.

Q: What is the voltage configuration?
A: Three-phase output, ideal for higher power demands in residential and commercial settings.

Q: How quiet is it?
A: The Quiet Connect™ Series is engineered for reduced noise, making it suitable for residential areas and urban environments.

Q: Why choose this generator?
A: With 40kW of backup power, dual-fuel capability, and liquid cooling, it offers dependable performance and quiet operation for large-scale needs.

Q: What makes this generator reliable?
A: Built with Cummins’ advanced engineering, providing robust, long-term reliability during power outages

Maintenance Tips

• Oil Changes: Change the oil every 150 hours or annually, whichever comes first, to keep the engine running smoothly and to prevent wear.
• Air Filter Care: Inspect, clean, or replace the air filter every 100 hours or sooner if necessary to ensure proper airflow and engine performance.
• Fuel System Inspection: Use clean LP or NG, and check for leaks or damage in fuel lines, connections, and pressure regulators.
• Spark Plug Inspection: Periodically check and replace spark plugs to ensure efficient ignition and optimize engine performance.
• Battery Maintenance: Ensure the battery is fully charged, and clean terminals to avoid corrosion, ensuring reliable startup.
• Coolant Level Checks: Monitor coolant levels regularly and check hoses for leaks to avoid overheating.
• Exercise the Generator: Run the generator for 20-30 minutes monthly to maintain internal lubrication and prevent stale fuel.
• Transfer Switch Testing: Test the automatic transfer switch to ensure proper operation and seamless switching between utility and generator power.
• Three-Phase System Check: Inspect the three-phase electrical system for secure connections and proper voltage output.
• Storage: Store the generator in a cool, dry, and well-ventilated area to protect it from extreme weather conditions and moisture.