A mid-size dual-fuel generator that can run a fridge, furnace and well pump through a transfer switch. Best for buyers who want 240 V home backup at a low price and don’t mind a pull start.
Amazon $579
A fuel-injected dual-fuel generator for backing up a home’s essentials through a 30 A transfer switch, and the GP6700E DF to buy in California. Elsewhere the carbureted GP6700E DF does the same job for less.
- 6,700 / 8,250 WRunning / starting
- Gasoline, propaneFuel
- 13 hr at 50% loadRun time
- Yes, 240 VTransfer switch
- 181 lbWeight
- $0.17Price / W
Price checked October 28, 2026. As an Amazon Associate we earn from qualifying purchases.
- Runs on gasoline or propane, and switches fuel without shutting down
- Fuel injection starts easily and runs about 13 hours on a tank of gas at half load
- Sold in all 50 states, including California
- L14-30R outlet connects to a 240 V transfer switch
- Shuts itself off if carbon monoxide builds up nearby
- A 20 lb propane tank lasts about 6 hours at half load
- Only a 30 A twist-lock for the house, no 50 A outlet
- Costs about $260 more than the carbureted GP6700E DF
The Generac GP6700E Dual Fuel family
Every Generac GP6700E Dual Fuel model we rank, smallest first. Ratings compare each against its own size.
| Model | Running / starting | Rating | Price |
|---|---|---|---|
| Generac GP6700E Dual Fuel | 6,700 / 8,250 W | 4.3/5 | $899 |
| Generac GP6700E Dual Fuel EFI (this one) | 6,700 / 8,250 W | 4.2/5 | $1,159 |
How it scores
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.
Specifications
| Model number | GP6700E DF 50ST (model 8060, G0080601) |
|---|---|
| Output | |
| Gasoline | 6,700 W running, 8,250 W starting |
| Propane | 6,000 W running, 7,425 W starting |
| Outlets | 4 × 120 V, L14-30 |
| Transfer switch ready | Yes, 240 V |
| Full power at 120 V | No |
| Price per watt | $0.17 |
| Fuel and run time | |
| Fuel | Gasoline, propane |
| Tank | 7.5 gal |
| Run time (gasoline) | 13 hr at 50% load |
| Run time (propane, 20 lb tank) | 6 hr |
| Engine | 340 cc |
| Noise and safety | |
| CO shutoff | Yes |
| CARB compliant | Yes |
| Build | |
| Starting | Electric and recoil |
| Wheels | Yes |
| Dimensions | 27.5 x 27 x 26.5 in |
| Weight | 181 lb |
| Warranty | 3 years |
Alternatives in this size
A mid-size dual-fuel generator for home backup at a low price, for buyers who want propane as a fallback. The 50-state fuel-injected model costs more.
Amazon $899A mid-size dual-fuel generator for running a house’s essentials through a transfer switch at a modest price. Best for buyers who don’t mind a pull start.
Amazon $899Compare
Compare the Generac GP6700E Dual Fuel EFI with any other portable generator →
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