Champion 7500W with 50A Outlet (100813) vs Firman T07571 Tri-Fuel 7500W
Both units carry the same best-fuel running rating: 7,500 W. The Firman T07571 Tri-Fuel 7500W offers more fuel flexibility (gasoline, propane, natural gas) where the Champion 7500W with 50A Outlet (100813) runs on gasoline.
| Champion 7500W with 50A Outlet (100813) | Firman T07571 Tri-Fuel 7500W | |
|---|---|---|
| Type | portable | portable |
| Fuel | gasoline | gasoline, propane, natural-gas |
| Running watts (gas / LP for standby) | 7500 W | 7500 W |
| Starting watts (gas) | 9375 W | 9400 W |
| Running watts (propane) | — | 6750 W |
| Starting watts (propane) | — | 8450 W |
| Running watts (natural gas) | — | 5500 W |
| Starting watts (natural gas) | — | 6900 W |
| Noise level | 74 dBA | 74 dBA |
| Runtime at 50% load (gas) | 8 h | — |
| Runtime at 25% load (gas) | — | 12 h |
| Fuel tank | 5.7 gal | 8 gal |
| Output voltage | 120/240V | 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 | 439 cc |
| Weight | — | 213 lb |
| Warranty | 3 yr | — |
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