# Kohler 26RCAL vs Cummins QuietConnect RS20A: specs and price compared

A sourced, side-by-side comparison of the Kohler 26RCAL (Kohler) and Cummins QuietConnect RS20A (Cummins) among standby generators. Cummins QuietConnect RS20A is the cheaper of the two at $5747.5.

## Side by side

| Spec | Kohler 26RCAL | Cummins QuietConnect RS20A |
| --- | --- | --- |
| US price | $8414 | $5747.5 |
| Brand | Kohler | Cummins |
| Rated output lp (kW) | 26 | 20 |
| Rated output ng (kW) | 24 | 18 |
| Fuel type | dual-fuel | dual-fuel |
| Cooling type | air-cooled | air-cooled |
| Transfer switch amps | 200 | — |
| Engine displacement cc | 999 | — |
| Thd percent | — | — |
| Noise level db (A) | 56 | 65 |
| Phase | single-phase | single-phase |
| Enclosure material | aluminum | aluminum |
| Warranty years | 5 | 5 |
| Weight (lb) | 670 | — |

## Key differences

- Rated output lp (kW): Kohler 26RCAL 26 vs Cummins QuietConnect RS20A 20
- Rated output ng (kW): Kohler 26RCAL 24 vs Cummins QuietConnect RS20A 18
- Noise level db (A): Kohler 26RCAL 56 vs Cummins QuietConnect RS20A 65

## Sources

- Kohler 26RCAL: https://www.kohlerhomeenergy.rehlko.com/products/home-generators/26rcal (kohlerhomeenergy.rehlko.com, verified 2026-07-11)
- Cummins QuietConnect RS20A: https://apelectric.com/cummins-rs20a-20kw-quiet-connect-generator/ (apelectric.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/standby-generators/kohler-26rcal-vs-cummins-quietconnect-rs20a/
Cite: Per The Front Desk Review, Kohler 26RCAL ($8414) vs Cummins QuietConnect RS20A ($5747.5) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/standby-generators/kohler-26rcal-vs-cummins-quietconnect-rs20a/
License: CC BY 4.0.