Generac PowerPact 7.5kW (6998) vs Kohler 10RESV 10kW
The Kohler 10RESV 10kW is the more powerful unit: 10,000 running watts against 7,500 — about 25% more capacity for the Kohler 10RESV 10kW. Warranty favors the Kohler 10RESV 10kW: 5 years vs 3.
| Generac PowerPact 7.5kW (6998) | Kohler 10RESV 10kW | |
|---|---|---|
| Price (MSRP) | — | $3,834 |
| Type | home-standby | home-standby |
| Fuel | natural-gas, propane | natural-gas, propane |
| Running watts (gas / LP for standby) | 7500 W | 10000 W |
| Running watts (propane) | 7500 W | 10000 W |
| Running watts (natural gas) | 6000 W | 9000 W |
| Noise level | 69 dBA | 69 dBA |
| Output voltage | 120/240V | 120/240V |
| Automatic transfer switch included | Yes | No |
| Main-line circuit breaker | 35 A | 50 A |
| Start type | automatic | automatic |
| Engine | — | Kohler KT725 |
| Engine displacement | 420 cc | 725 cc |
| NG use at half load | 73 ft³/h | 120 ft³/h |
| Propane use at half load | 0.87 gal/h | — |
| Weight | 280 lb | 428 lb |
| Warranty | 3 yr | 5 yr |
Frequently asked questions
Which is more powerful, the Generac PowerPact 7.5kW (6998) or the Kohler 10RESV 10kW?
The Kohler 10RESV 10kW, at 10,000 running watts on its best fuel versus 7,500 W. Remember that dual-fuel and natural-gas ratings are lower than gasoline ratings — the comparison table shows the published per-fuel figures.
Which costs less to run, the Generac PowerPact 7.5kW (6998) or the Kohler 10RESV 10kW?
Estimated fuel for 24 hours at about 50% load: $26 on natural gas for the Generac PowerPact 7.5kW (6998) vs $43 on natural gas for the Kohler 10RESV 10kW, at national average prices. These are spec-sheet-derived estimates — the assumptions are on the methodology page, and different fuels make this a cost comparison, not an efficiency ranking.
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.