Overview#
The Cummins RS60 is a 60 kW liquid-cooled residential standby generator from the QuietConnect RS Series. Powered by the QSJ5.9G 5.9-liter inline 6-cylinder engine at 1,800 rpm, the RS60 delivers 250 amps at 120/240V single phase -- enough for large estate homes, luxury residences, and properties with multiple HVAC systems, pools, and high-draw appliances.
The RS60 runs on natural gas or propane vapor (field selectable) and produces 69.8 dB(A) at 23 feet with the aluminum enclosure. The enclosure is wind-rated to 180 mph per ASCE 7-10 and the unit is equipped for cold weather starts down to -40 F with factory accessories.
At 2,634 lbs and 118.7 x 40.0 x 58.3 inches, the RS60 shares the same footprint as the RS50, RS80, and RS100 models on the 5.9L platform. PowerCommand 1.1 controls provide electronic governing, self-diagnostics, and remote monitoring capability.
Technical Specifications#
| Parameter | Value |
|---|---|
| Standby Rating | 60 kW |
| Voltage (1-phase) | 120/240V |
| Voltage (3-phase) | 120/208V, 277/480V |
| Frequency | 60 Hz |
| Rated Amps (1-phase, both fuels) | 250 |
| Engine Model | QSJ5.9G |
| Displacement | 5.9 L |
| Cylinders | 6 (inline) |
| Aspiration | Naturally aspirated |
| Rated Speed | 1,800 rpm |
| Cooling | Liquid-cooled |
| Controller | PowerCommand 1.1 |
| Sound Level | 69.8 dB(A) at 23 ft (7 m) |
| Dimensions (L x W x H) | 118.7 x 40.0 x 58.3 in |
| Weight | 2,634 lbs |
| Wind Rating | 180 mph (ASCE 7-10) |
| Cold Weather | -40 F (with factory accessories) |
Our Service Experience#
The RS60 is a popular mid-range option in the 5.9L platform lineup. It provides substantially more capacity than the RS50 while maintaining the same physical footprint. For homes in the 5,000-8,000 square foot range with multiple HVAC zones, the RS60 typically provides comfortable headroom for whole-house backup.
Service is identical to the RS50 -- 500 hours or annually for oil and filter, 500 hours for air filter, 1,000 hours for all 6 spark plugs, 30,000 hours for major overhaul. The QSJ5.9G engine is well-proven and parts availability is excellent through the Cummins distributor network.
The fuel regulator / air-fuel mixer is the component that most commonly needs adjustment on 5.9L gas engines at higher hour counts. We typically see this around 15,000-18,000 hours. For residential standby units that run 50-100 hours per year, this equates to decades of service before adjustment is needed.
Frequently Asked Questions#
What is the standby rating of the RS60? 60 kW at 120/240V single phase (250 amps). Also available in 120/208V and 277/480V three-phase configurations.
How does the RS60 compare to the C60 N6? The RS60 is the residential QuietConnect version of the same 5.9L platform used in the commercial C60 N6. The RS60 comes in a residential-grade sound-attenuated enclosure with residential controls (PowerCommand 1.1), while the C60 N6 uses commercial PowerCommand controls and is typically open-set or in a commercial enclosure.
What is the warranty on the RS60? 2-year warranty from Cummins. Extended options available through authorized dealers.
