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- Generac #7247 XT8500EFI
- Powerhorse 11050
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Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Generac #7247 XT8500EFI | Powerhorse 11050 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 8500 W | 8400 W |
| Starting watts | 10000 W | Winner: Winner: 11050 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 78 dB |
| Weight | Winner: Winner: 214 lbs | 260 lbs |
| Run time @50% load | Winner: Winner: 9 h | 8.5 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 8 gal | 6.6 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 31.4 x 20.5 x 26.5 | 31.7 x 21.7 x 24.2 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240V |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | 5 % | Not available |
| Engine | ||
| Engine | Generac OHV 4-stroke | Not available |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Not available |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 8500 W | Not available |
| Starting watts | 10000 W | Not available |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | 9 h | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | CARB, EPA | Not available |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | true | Not available |
| UPC | 696471078336 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 8500 | Not available |
| Starting Watts (Gasoline) | 10000 | Not available |
| Runtime @ 50% Load (Gasoline) | 9 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R) | Not available |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | Not available |
| Engine Displacement | 459 | 457 |
| Engine Oil Type | 10W-30 / SAE 30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 9 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Oil, funnel, battery charger, battery | Not available |
| Included Accessories | Oil, funnel, battery charger, battery, and wheel kit | Not available |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Additional specs | ||
| Summary | The Generac XT8500EFI is an 8,500-watt gasoline generator built for whole-house backup and job site power. With 10,000 starting watts, it can simultaneously run a central air conditioner, refrigerator, sump pump, and lighting circuits, or power multiple heavy-draw tools on a work site. Electronic fuel injection delivers consistent performance and fuel economy, while the 8-gallon tank and 9-hour runtime at 50% load mean a full workday or overnight outage before refueling. | The Powerhorse 11050 is a portable generator delivering 11,050 surge watts and 8,400 rated watts, featuring a 457cc engine, electric start, and a 6.6-gallon fuel tank. |
- Most PowerfulGenerac #7247 XT8500EFI8500W running
- QuietestPowerhorse 1105078 dB
- Longest RuntimeGenerac #7247 XT8500EFI9h at 50% load
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Generac #7247 XT8500EFI
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Powerhorse 11050
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