Champion 3800W Dual Fuel (76533) vs Westinghouse WGen5300s
The Westinghouse WGen5300s is the more powerful unit: 5,300 running watts against 3,800 — about 28% more capacity for the Westinghouse WGen5300s. The Champion 3800W Dual Fuel (76533) offers more fuel flexibility (gasoline, propane) where the Westinghouse WGen5300s runs on gasoline. The Westinghouse WGen5300s runs longer at half load — 11 hours on its 4.7-gallon tank vs 8 hours.
| Champion 3800W Dual Fuel (76533) | Westinghouse WGen5300s | |
|---|---|---|
| Type | portable | portable |
| Fuel | gasoline, propane | gasoline |
| Running watts (gas / LP for standby) | 3800 W | 5300 W |
| Starting watts (gas) | 4750 W | 6600 W |
| Running watts (propane) | 3420 W | — |
| Starting watts (propane) | 4275 W | — |
| Noise level | 68 dBA | 68 dBA |
| Runtime at 50% load (gas) | 8 h | 11 h |
| Runtime at 25% load (gas) | — | 14.5 h |
| Fuel tank | — | 4.7 gal |
| Transfer-switch-ready outlet | — | 30 A |
| Start type | electric | electric |
| Engine displacement | 224 cc | 274 cc |
| Weight | — | 131.4 lb |
| Warranty | 2 yr | — |
Frequently asked questions
Which is more powerful, the Champion 3800W Dual Fuel (76533) or the Westinghouse WGen5300s?
The Westinghouse WGen5300s, at 5,300 running watts on its best fuel versus 3,800 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.