# Cummins QuietConnect RS20A vs Champion 14kW aXis (100837): specs and price compared

A sourced, side-by-side comparison of the Cummins QuietConnect RS20A (Cummins) and Champion 14kW aXis (100837) (Champion) among standby generators. Champion 14kW aXis (100837) is the cheaper of the two at $4999.

## Side by side

| Spec | Cummins QuietConnect RS20A | Champion 14kW aXis (100837) |
| --- | --- | --- |
| US price | $5747.5 | $4999 |
| Brand | Cummins | Champion |
| Rated output lp (kW) | 20 | 14 |
| Rated output ng (kW) | 18 | 12.5 |
| Fuel type | dual-fuel | dual-fuel |
| Cooling type | air-cooled | air-cooled |
| Transfer switch amps | — | 200 |
| Engine displacement cc | — | 754 |
| Thd percent | — | 5 |
| Noise level db (A) | 65 | 62 |
| Phase | single-phase | single-phase |
| Enclosure material | aluminum | steel |
| Warranty years | 5 | 10 |
| Weight (lb) | — | 439 |

## Key differences

- Rated output lp (kW): Cummins QuietConnect RS20A 20 vs Champion 14kW aXis (100837) 14
- Rated output ng (kW): Cummins QuietConnect RS20A 18 vs Champion 14kW aXis (100837) 12.5
- Noise level db (A): Cummins QuietConnect RS20A 65 vs Champion 14kW aXis (100837) 62
- Enclosure material: Cummins QuietConnect RS20A aluminum vs Champion 14kW aXis (100837) steel
- Warranty years: Cummins QuietConnect RS20A 5 vs Champion 14kW aXis (100837) 10

## Sources

- Cummins QuietConnect RS20A: https://apelectric.com/cummins-rs20a-20kw-quiet-connect-generator/ (apelectric.com, verified 2026-07-11)
- Champion 14kW aXis (100837): https://www.championpowerequipment.com/product/100837-14-kw-whole-house-home-standby-generator-and-200a-switch-with-axis-technology/ (championpowerequipment.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/standby-generators/cummins-quietconnect-rs20a-vs-champion-14kw-axis-100837/
Cite: Per The Front Desk Review, Cummins QuietConnect RS20A ($5747.5) vs Champion 14kW aXis (100837) ($4999) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/standby-generators/cummins-quietconnect-rs20a-vs-champion-14kw-axis-100837/
License: CC BY 4.0.