Cummins RS80 80kW Home Standby Generator | Liquid-Cooled Quiet Connect™ Series | 120/240V Single-Phase
Found a lower price?
Send us a request and we’ll beat it today — guaranteed!
Send us a request and we’ll beat it today — guaranteed!

In today's world, ensuring a reliable power supply is essential, especially for homeowners who rely on electricity for daily activities, safety, and comfort. The Cummins RS80 80kW Home Standby Generator is designed to provide exceptional performance and peace of mind, ready to kick into action at a moment’s notice during power outages. When you invest in this robust generator, you are securing a dependable power source that enhances your home’s resilience.
Imagine not having to worry about your home losing power during a storm or unexpected outage. The Cummins RS80 generator is engineered to take over seamlessly, providing you with continuous electricity to keep your lights on, your food fresh, and your essential appliances running smoothly. This generator combines power with advanced features to ensure you stay comfortable and secure.
As you consider your options for backup power solutions, remember the Cummins RS80 80kW Home Standby Generator stands out for its impressive performance and unmatched benefits to homeowners. Equip your home with the capability to respond effectively to power failures and enjoy the multitude of advantages that come with dependable electricity at your fingertips.
With a robust 80kW output, the Cummins RS80 generator can power essential household appliances, including HVAC systems, refrigerators, and lights, ensuring your entire home stays operational during power outages. It’s designed for residential use and meets diverse power needs.
With a Cummins Automatic Transfer Switch (ATS) (sold separately), your generator detects power outages and starts up within seconds. This seamless transition ensures that your home remains powered without any manual intervention, providing immediate backup when you need it.
Utilizing Quiet Connect technology, the Cummins RS80 operates at noise levels between 58 to 65 dB(A) when running. This noise reduction ensures minimal disturbance to your home environment, making it suitable for residential neighborhoods without causing disruptions.
The generator features a sturdy enclosure made from high-quality materials resistant to corrosion and rust. Its weather-resistant design enables it to operate reliably in temperatures ranging from -20°F to 104°F (-29°C to 40°C), ensuring performance in various climates.
The Cummins RS80 includes an intuitive digital control panel with an LCD display. It provides clear communication of operating status, real-time power use, and maintenance reminders, making it easy for users to monitor and manage the generator’s performance effectively.
The generator can operate on either natural gas or liquid propane, with a consumption rate of approximately 2.52 m³/h (natural gas) or 1.83 gal/h (propane) under full load. This flexibility allows homeowners to choose the most accessible and economical fuel source for their needs.
Cummins provides a 2-years warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.
| Design | Turbocharged and aftercooled | |
| Bore | 102.1 mm (4.02 in) | |
| Stroke | 119.9 mm (4.72 in) | |
| Displacement | 5.9 liters (359 in3) |
|
| Cylinder block | Cast iron, in-line 6 cylinder | |
| Battery capacity | 850 amps at ambient temperature of 0 oF to 32 oF (-18 oC to 0 oC) |
|
| Battery charging alternator | 52 amps | |
| Starting voltage | 12 volt, negative ground | |
| Lube oil filter type(s) | Spin-on with relief valve | |
| Standard cooling system | 50o C (122o F) ambient cooling system |
|
| Rated speed | 1800 rpm | |
Generator Set Performance |
||
| Governor regulation class | ISO 8528 Part 1 Class G3 | |
| Voltage regulation, no load to full load | ±1.0% | |
| Random voltage variation | ±1.0% | |
| Frequency regulation | Isochronous | |
| Random frequency variation | ± 0.25% @ 60 Hz | |
| Radio frequency emissions compliance | FCC code Title 47 part 15 Class B |
|
Fuel Supply Pressure |
||
| Minimum fuel supply pressure, kPa (in H2O) |
1.5 kPa (6.0 in H20) | |
| Maximum fuel supply pressure, kPa (in H2O) |
3.5 kPa (14.0 in H20) | |
| Weight | 2782 lbs (1262 kg) | |
| Size | Length 118.7 in (3016 mm), width 40.0 in (1016 mm), height 58.3 in (1480 mm) | |
| Sound | 70.5 dB(A) at 23 ft (7 m) with sound level 2 enclosure | |