Champion 4500W Inverter (200986) vs Westinghouse iGen4500DF Dual Fuel

The Westinghouse iGen4500DF Dual Fuel is the more powerful unit: 3,700 running watts against 3,500 — about 5% more capacity for the Westinghouse iGen4500DF Dual Fuel. The Westinghouse iGen4500DF Dual Fuel is the quieter of the two (52 dBA vs 61 dBA — though manufacturers measure noise at different loads and distances). The Westinghouse iGen4500DF Dual Fuel offers more fuel flexibility (gasoline, propane) where the Champion 4500W Inverter (200986) runs on gasoline.

Champion 4500W Inverter (200986) Westinghouse iGen4500DF Dual Fuel
Type inverter inverter
Fuel gasoline gasoline, propane
Running watts (gas / LP for standby) 3500 W 3700 W
Starting watts (gas) 4500 W 4500 W
Running watts (propane) 3330 W
Starting watts (propane) 4050 W
Noise level 61 dBA 52 dBA
Runtime at 25% load (gas) 14 h 18 h
Fuel tank 2.3 gal 3.4 gal
Output voltage 120V 120V
Start type remote electric
Engine displacement 212 cc
Weight 95 lb 98 lb
Warranty 3 yr

Frequently asked questions

Which is more powerful, the Champion 4500W Inverter (200986) or the Westinghouse iGen4500DF Dual Fuel?

The Westinghouse iGen4500DF Dual Fuel, at 3,700 running watts on its best fuel versus 3,500 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.