Head to head

Cummins QuietConnect RS13A vs Briggs & Stratton PowerProtect 13kW

Cummins QuietConnect RS13A

Cummins · Home Standby Generator

Cummins QuietConnect RS13A

~$3,899

13,000 W · up to well pump or a small central AC

Briggs & Stratton PowerProtect 13kW

Briggs & Stratton · Home Standby Generator

Briggs & Stratton PowerProtect 13kW

~$4,460

13,000 W · up to well pump or a small central AC

Quick takeThe Cummins QuietConnect RS13A lists about $561 lower; the Cummins QuietConnect RS13A is quieter at 65 dB.

SpecCummins QuietConnect RS13ABriggs & Stratton PowerProtect 13kW
Approx. price~$3,899~$4,460
TypeHome Standby GeneratorHome Standby Generator
FuelNG/LPNG/LP
Running / output watts13,000 W13,000 W
Starting / surge watts13,000 W13,000 W
Battery capacity——
Expandable to——
Noise65 dB69 dB
RuntimeContinuous (runs on home NG/LP supply); 13kW on LP or NGContinuous (runs on home NG/LP supply); 13kW on LP, 11.5kW on NG
OutletsNone — hardwired via automatic transfer switch (sold separately)None — hardwired via automatic transfer switch (sold separately)
Fuel tank——
Weight479 lbs315 lbs
Transfer-switch readyYesYes
Warranty5-year/2,000-hour limited7-year comprehensive (parts, labor, travel)

Highlighted cell is the better figure for that row.

Owner pros and cons

Cummins QuietConnect RS13A

  • +Cheapest name-brand path to whole-essentials standby power
  • +65 dB at 23 feet from a sound-insulated enclosure
  • +Full 13kW on natural gas — no derate
  • +18-inch code clearance suits narrow side yards
  • +Purpose-built Cummins gaseous engine, not an adapted gas motor
  • +Aluminum-over-galvanized enclosure resists corrosion
  • −Residential dealer network is thin — check service coverage first
  • −Basic mobile app compared to Generac's Mobile Link
  • −Fewer third-party techs know the platform
  • −Frequently on backorder or factory-order wait times
  • −13kW ceiling means no whole-house AC coverage for bigger homes

Briggs & Stratton PowerProtect 13kW

  • +Smallest footprint of the 13-14kW class, fits tight lot lines
  • +Vanguard commercial-grade engine with 37 kVA motor starting
  • +Eco-Cise 16-second weekly test mode cuts exercise noise and fuel
  • +Front exhaust design adds installation flexibility
  • −69 dB is the loudest of the Briggs residential line
  • −Automatic transfer switch is not included in the $4,460 price
  • −11.5kW on natural gas is tight for a 4-ton AC plus other loads
  • −Fewer certified dealers and installers than Generac or Kohler