Firman T08071 Tri-Fuel 8000W vs Westinghouse WGen9500DF

The Westinghouse WGen9500DF is the more powerful unit: 9,500 running watts against 8,000 — about 16% more capacity for the Westinghouse WGen9500DF. The Firman T08071 Tri-Fuel 8000W offers more fuel flexibility (gasoline, propane, natural gas) where the Westinghouse WGen9500DF runs on gasoline and propane.

Firman T08071 Tri-Fuel 8000W Westinghouse WGen9500DF
Type portable portable
Fuel gasoline, propane, natural-gas gasoline, propane
Running watts (gas / LP for standby) 8000 W 9500 W
Starting watts (gas) 10000 W 12500 W
Running watts (propane) 8500 W
Starting watts (propane) 11200 W
Noise level 74 dBA
Runtime at 50% load (gas) 12 h
Fuel tank 8 gal 6.6 gal
Output voltage 120/240V 120/240V
Transfer-switch-ready outlet 50 A
Outlets 2x GFCI 5-20R duplex, L14-30R, 14-50R
Start type electric remote electric
Engine displacement 439 cc 457 cc
Weight 211 lb

Frequently asked questions

Which is more powerful, the Firman T08071 Tri-Fuel 8000W or the Westinghouse WGen9500DF?

The Westinghouse WGen9500DF, at 9,500 running watts on its best fuel versus 8,000 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.