Briggs & Stratton PowerProtect DX 13kW (040740) vs Kohler 14RCAL 14kW with ATS
The Kohler 14RCAL 14kW with ATS is the more powerful unit: 14,000 running watts against 13,000 — about 7% more capacity for the Kohler 14RCAL 14kW with ATS. The Kohler 14RCAL 14kW with ATS is the quieter of the two (67 dBA vs 69 dBA — though manufacturers measure noise at different loads and distances). Warranty favors the Briggs & Stratton PowerProtect DX 13kW (040740): 10 years vs 5.
| Briggs & Stratton PowerProtect DX 13kW (040740) | Kohler 14RCAL 14kW with ATS | |
|---|---|---|
| Type | home-standby | home-standby |
| Fuel | natural-gas, propane | natural-gas, propane |
| Running watts (gas / LP for standby) | 13000 W | 14000 W |
| Running watts (propane) | 13000 W | 14000 W |
| Running watts (natural gas) | 11500 W | 12000 W |
| Noise level | 69 dBA | 67 dBA |
| Output voltage | 120/240V | 120/240V |
| Automatic transfer switch included | No | Yes |
| Main-line circuit breaker | 70 A | — |
| Start type | automatic | automatic |
| Engine | Briggs & Stratton Vanguard | Kohler CH740 |
| Engine displacement | 627 cc | 725 cc |
| NG use at half load | — | 124 ft³/h |
| Propane use at half load | — | 1.65 gal/h |
| Weight | 315 lb | 440 lb |
| Warranty | 10 yr | 5 yr |
Frequently asked questions
Which is more powerful, the Briggs & Stratton PowerProtect DX 13kW (040740) or the Kohler 14RCAL 14kW with ATS?
The Kohler 14RCAL 14kW with ATS, at 14,000 running watts on its best fuel versus 13,000 W. Remember that dual-fuel and natural-gas ratings are lower than gasoline ratings — the comparison table shows the published per-fuel figures.
Where do these specifications come from?
Every record on BackupAtlas is hand-curated from manufacturer documentation and spec sheets, and each generator page links to its source document.