Firman H08051 Dual Fuel 8000W vs Westinghouse WGen11500TFc Tri-Fuel

The Westinghouse WGen11500TFc Tri-Fuel is the more powerful unit: 11,500 running watts against 8,000 — about 30% more capacity for the Westinghouse WGen11500TFc Tri-Fuel. The Westinghouse WGen11500TFc Tri-Fuel offers more fuel flexibility (gasoline, propane, natural gas) where the Firman H08051 Dual Fuel 8000W runs on gasoline and propane.

Firman H08051 Dual Fuel 8000W Westinghouse WGen11500TFc Tri-Fuel
Type portable portable
Fuel gasoline, propane gasoline, propane, natural-gas
Running watts (gas / LP for standby) 8000 W 11500 W
Starting watts (gas) 10000 W 14500 W
Running watts (propane) 7250 W 10500 W
Starting watts (propane) 9050 W 13500 W
Running watts (natural gas) — 9500 W
Starting watts (natural gas) — 12000 W
Noise level 74 dBA 74 dBA
Runtime at 50% load (gas) 12 h —
Fuel tank 8 gal 9.5 gal
Output voltage 120/240V 120/240V
Transfer-switch-ready outlet — 50 A
Start type electric remote electric
CO safety shutoff — Yes
Engine displacement 439 cc 550 cc
Weight 212 lb 230 lb

Frequently asked questions

Which is more powerful, the Firman H08051 Dual Fuel 8000W or the Westinghouse WGen11500TFc Tri-Fuel?

The Westinghouse WGen11500TFc Tri-Fuel, at 11,500 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.