Champion 7000W Dual Fuel (100155) vs Westinghouse WGen7500
The Westinghouse WGen7500 is the more powerful unit: 7,500 running watts against 7,000 — about 7% more capacity for the Westinghouse WGen7500. The Champion 7000W Dual Fuel (100155) offers more fuel flexibility (gasoline, propane) where the Westinghouse WGen7500 runs on gasoline.
| Champion 7000W Dual Fuel (100155) | Westinghouse WGen7500 | |
|---|---|---|
| Type | portable | portable |
| Fuel | gasoline, propane | gasoline |
| Running watts (gas / LP for standby) | 7000 W | 7500 W |
| Starting watts (gas) | 9000 W | 9500 W |
| Running watts (propane) | 6300 W | — |
| Starting watts (propane) | 8100 W | — |
| Noise level | — | 72 dBA |
| Fuel tank | 6.1 gal | 6.6 gal |
| Output voltage | 120/240V | 120/240V |
| Transfer-switch-ready outlet | — | 30 A |
| Start type | electric | remote electric |
| Engine displacement | 439 cc | 420 cc |
| Weight | 202.4 lb | 196 lb |
Frequently asked questions
Which is more powerful, the Champion 7000W Dual Fuel (100155) or the Westinghouse WGen7500?
The Westinghouse WGen7500, at 7,500 running watts on its best fuel versus 7,000 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.