A large tri-fuel generator for whole-home backup through a transfer switch, best for homes with a natural gas line. It is one of the cheapest ways to get 9,500 W and three fuels.
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 (this one) | 9,500 / 12,500 W | 4.3/5 | $1,169 |
| Generac GP9500E Tri Fuel EFI | 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 49ST (G0080632) |
|---|---|
| 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 | $0.12 |
| Fuel and run time | |
| Fuel | Gasoline, propane, natural gas |
| Tank | 7.5 gal |
| Run time (gasoline) | 9.5 hr at 50% load |
| Run time (propane, 20 lb tank) | 4.5 hr |
| Engine | 500 cc |
| Noise and safety | |
| CO shutoff | Yes |
| CARB compliant | No |
| Build | |
| Starting | Electric and recoil |
| Wheels | Yes |
| Dimensions | 27.5 x 27.1 x 27.6 in |
| Weight | 219 lb |
| Warranty | 3 years |
| Released | 2025-05 |
A large tri-fuel generator that can run most of a house through a transfer switch on gasoline, propane or a natural gas line. Best for homeowners with a gas line who want long outages covered without refueling.
Amazon $1,249A budget large dual-fuel generator for whole-house backup through a 50 A transfer switch, trading some build quality for a much lower price.
Amazon $899A large dual-fuel generator for whole-home backup through a 50 A transfer switch, with remote start and CO shutoff. Good value per watt for homeowners who can do without natural gas.
Amazon $1,099Compare the Generac GP9500E Tri Fuel with any other portable generator →
More from Generac: every Generac product ranked.
