Champion 7500W Dual Fuel (100891) vs Westinghouse WGen9500
The Westinghouse WGen9500 is the more powerful unit: 9,500 running watts against 7,500 — about 21% more capacity for the Westinghouse WGen9500. The Champion 7500W Dual Fuel (100891) offers more fuel flexibility (gasoline, propane) where the Westinghouse WGen9500 runs on gasoline.
| Champion 7500W Dual Fuel (100891) | Westinghouse WGen9500 | |
|---|---|---|
| Type | portable | portable |
| Fuel | gasoline, propane | gasoline |
| Running watts (gas / LP for standby) | 7500 W | 9500 W |
| Starting watts (gas) | 9375 W | 12500 W |
| Running watts (propane) | 6750 W | — |
| Starting watts (propane) | 8400 W | — |
| Noise level | — | 74 dBA |
| Runtime at 50% load (gas) | 10 h | — |
| Fuel tank | 7.7 gal | 6.6 gal |
| Output voltage | 120/240V | 120/240V |
| Transfer-switch-ready outlet | — | 50 A |
| Start type | electric | remote electric |
| Engine displacement | 439 cc | 457 cc |
| Weight | 205 lb | 208 lb |
| Warranty | 3 yr | — |
Frequently asked questions
Which is more powerful, the Champion 7500W Dual Fuel (100891) or the Westinghouse WGen9500?
The Westinghouse WGen9500, at 9,500 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.
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.