A large tri-fuel generator with fuel injection for whole-home backup, and the version to buy in California. Elsewhere the carbureted GP9500E does the same job for less.
Price checked October 28, 2026. As an Amazon Associate we earn from qualifying purchases.
Every Generac GP9500E Tri Fuel model we rank, smallest first. Ratings compare each against its own size.
| Model | Running / starting | Rating | Price |
|---|---|---|---|
| Generac GP9500E Tri Fuel | 9,500 / 12,500 W | 4.3/5 | $1,169 |
| Generac GP9500E Tri Fuel EFI (this one) | 9,500 / 12,500 W | 4.2/5 | $1,399 |
The rating comes from 7 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
| Model number | GP9500E TF 50ST (model 8061, G0080610) |
|---|---|
| Output | |
| Gasoline | 9,500 W running, 12,500 W starting |
| Propane | 8,550 W running, 11,250 W starting |
| Natural gas | 7,000 W running, 9,000 W starting |
| Outlets | 2 × 120 V, L14-30, 14-50 |
| Transfer switch ready | Yes, 240 V |
| Full power at 120 V | No |
| Price per watt | $0.15 |
| Fuel and run time | |
| Fuel | Gasoline, propane, natural gas |
| Tank | 7.5 gal |
| Run time (gasoline) | 10.5 hr at 50% load |
| Run time (propane, 20 lb tank) | 5 hr |
| Engine | 500 cc |
| Noise and safety | |
| CO shutoff | Yes |
| CARB compliant | Yes |
| Build | |
| Starting | Electric and recoil |
| Wheels | Yes |
| Dimensions | 27.2 x 26.94 x 27 in |
| Weight | 227 lb |
| Warranty | 3 years |
| Released | 2025-03 |
A large dual-fuel generator with clean power and remote start for whole-home backup through a 50 A transfer switch. A good fit for homeowners without a natural gas line who want more than 10,000 W.
Amazon $1,349A large tri-fuel generator for whole-home backup on a natural gas line, where it can run for days. Less suited to gasoline-only use, where it burns through a tank quickly.
Amazon $1,259.99A large dual-fuel generator with remote start and a 50 A outlet for home backup through a transfer switch at a low price per watt. Buyers who want longer run time per tank should look at the 9.5 gal WGen10500DFc.
Amazon $1,049Compare the Generac GP9500E Tri Fuel EFI with any other portable generator →
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