Generac
Generac Guardian 26kW (7291)
$7749
Best Standby Generators · head-to-head
Generac Guardian 26kW (7291) vs Cummins QuietConnect RS20A
A sourced, side-by-side comparison. Cummins QuietConnect RS20A is cheaper at $5747.5. Every spec and price links to its source.
Cummins
Cummins QuietConnect RS20A
$5747.5Cheaper
Which is better: the Generac Guardian 26kW (7291) or Cummins QuietConnect RS20A?
On the specs we track, they're closely matched. The Cummins QuietConnect RS20A is the cheaper at $5747.5.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Generac Guardian 26kW (7291) | Cummins QuietConnect RS20A |
|---|---|---|
| US price | $7749 | $5747.5 |
| Brand | Generac | Cummins |
| Released | — | — |
| Rated output lp (kW) | 26 | 20 |
| Rated output ng (kW) | — | 18 |
| Fuel type | dual-fuel | dual-fuel |
| Cooling type | air-cooled | air-cooled |
| Transfer switch amps | 200 | — |
| Engine displacement cc | 999 | — |
| Thd percent | 5 | — |
| Noise level db (A) | 57 | 65 |
| Phase | — | single-phase |
| Enclosure material | aluminum | aluminum |
| Warranty years | 5 | 5 |
| Weight (lb) | 518 | — |
Sources — Generac Guardian 26kW (7291): generac.com (verified 2026-07-11). Cummins QuietConnect RS20A: apelectric.com (verified 2026-07-11).
What's the difference between the Generac Guardian 26kW (7291) and Cummins QuietConnect RS20A?
Where the two actually differ on the specs we track (2 of 12). Matching specs are omitted.
- Rated output lp (kW): Generac Guardian 26kW (7291) 26 vs Cummins QuietConnect RS20A 20
- Noise level db (A): Generac Guardian 26kW (7291) 57 vs Cummins QuietConnect RS20A 65