Cummins
Cummins QuietConnect RS20A
$5747.5
Best Standby Generators · head-to-head
Cummins QuietConnect RS20A vs Champion 14kW aXis (100837)
A sourced, side-by-side comparison. Champion 14kW aXis (100837) is cheaper at $4999. Every spec and price links to its source.
Champion
Champion 14kW aXis (100837)
$4999Cheaper
Which is better: the Cummins QuietConnect RS20A or Champion 14kW aXis (100837)?
On the specs we track, they're closely matched. The Champion 14kW aXis (100837) is the cheaper at $4999.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Cummins QuietConnect RS20A | Champion 14kW aXis (100837) |
|---|---|---|
| US price | $5747.5 | $4999 |
| Brand | Cummins | Champion |
| Released | — | — |
| 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 |
Sources — Cummins QuietConnect RS20A: apelectric.com (verified 2026-07-11). Champion 14kW aXis (100837): championpowerequipment.com (verified 2026-07-11).
What's the difference between the Cummins QuietConnect RS20A and Champion 14kW aXis (100837)?
Where the two actually differ on the specs we track (5 of 12). Matching specs are omitted.
- 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