Champion 7500W with 50A Outlet (100813) vs Westinghouse WGen5300s
The Champion 7500W with 50A Outlet (100813) is the more powerful unit: 7,500 running watts against 5,300 — about 29% more capacity for the Champion 7500W with 50A Outlet (100813). The Westinghouse WGen5300s is the quieter of the two (68 dBA vs 74 dBA — though manufacturers measure noise at different loads and distances). The Westinghouse WGen5300s runs longer at half load — 11 hours on its 4.7-gallon tank vs 8 hours.
| Champion 7500W with 50A Outlet (100813) | Westinghouse WGen5300s | |
|---|---|---|
| Type | portable | portable |
| Fuel | gasoline | gasoline |
| Running watts (gas / LP for standby) | 7500 W | 5300 W |
| Starting watts (gas) | 9375 W | 6600 W |
| Noise level | 74 dBA | 68 dBA |
| Runtime at 50% load (gas) | 8 h | 11 h |
| Runtime at 25% load (gas) | — | 14.5 h |
| Fuel tank | 5.7 gal | 4.7 gal |
| Output voltage | 120/240V | — |
| Transfer-switch-ready outlet | 50 A | 30 A |
| Outlets | 4x GFCI 5-20R, L14-30R, 14-50R | — |
| Start type | electric | electric |
| Engine displacement | 420 cc | 274 cc |
| Weight | — | 131.4 lb |
| Warranty | 3 yr | — |
Frequently asked questions
Which is more powerful, the Champion 7500W with 50A Outlet (100813) or the Westinghouse WGen5300s?
The Champion 7500W with 50A Outlet (100813), at 7,500 running watts on its best fuel versus 5,300 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 Champion 7500W with 50A Outlet (100813) or the Westinghouse WGen5300s?
Estimated fuel for 24 hours at about 50% load: $55 on gasoline for the Champion 7500W with 50A Outlet (100813) vs $33 on gasoline for the Westinghouse WGen5300s, 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.