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- Generac #7715 GP8000E
- Powerhorse s10500id
Quick charts
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 #7715 GP8000E | Powerhorse s10500id |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | No | No |
| Running watts | 8000 W | Winner: Winner: 8300 W |
| Starting watts | 10000 W | Winner: Winner: 10500 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 62 dB |
| Weight | Winner: Winner: 198 lbs | 209.5 lbs |
| Run time @50% load | 10 h | Winner: Winner: 12 h |
| Run time @25% load | 15 h | Not available |
| Fuel tank | 7.9 gal | 7.13 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 27.2 x 27 x 26.5 | 30 x 26.3 x 28.8 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240V |
| Voltage (DC) | Not available | 5V |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | <3% % |
| Engine | ||
| Engine | Generac OHV 4-stroke, 420 cc | 457 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 8000 W | 8300 W |
| Starting watts | 10000 W | 10500 W |
| 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 | 10 h | 12 h |
| Run time @25% load | 15 h | Not available |
| Propane | Not available | Not available |
| Running watts | Not available | 7500 W |
| Starting watts | Not available | 9450 W |
| 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 | Not available | 6 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Bonded to frame | true |
| UPC | 696471086225 | 840321764003 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 8000 | 8300 |
| Running Watts (Propane) | Not available | 7500 |
| Starting Watts (Gasoline) | 10000 | 10500 |
| Starting Watts (Propane) | Not available | 9450 |
| Runtime @ 50% Load (Gasoline) | 10 | 12 |
| Runtime @ 50% Load (Propane) | Not available | 6 |
| Runtime @ 25% Load (Gasoline) | 15 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R) | 1x Duplex 120V 20A (L5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R); 1x 120/240V 50A (10-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Not available | OHV 4-stroke |
| Engine Displacement | 420 | 457 |
| Engine Oil Type | 10W-30 / SAE 30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 15 | Not available |
| Runtime @ 50% Load (Gasoline) | 10 | 12 |
| Runtime @ 50% Load (Propane) | Not available | 6 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Oil, battery, and wheel kit | Recoil, Electric, Remote |
| Included Accessories | Oil, battery, and wheel kit | Funnel, tool kit, key fob, propane hose, and battery |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | 7715, 7686 | Not available |
| Additional specs | ||
| Summary | The Generac GP8000E is an 8,000-watt gasoline generator built for homeowners and contractors needing whole-house backup power or serious job site output. With 10,000 starting watts, it can handle the initial surge of air conditioners, well pumps, and power tools while running smaller loads continuously. The 7.9-gallon fuel tank delivers 15 hours at 25% load, meaning users can power essential devices through an entire night without refueling. | The Powerhorse s10500id is a dual-fuel inverter generator delivering 10,500 surge watts and 8,300 rated watts, suitable for emergency home backup, RVs, and worksites. |
- Most PowerfulPowerhorse s10500id8300W running
- QuietestPowerhorse s10500id62 dB
- Longest RuntimePowerhorse s10500id12h at 50% load
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Generac #7715 GP8000E
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Powerhorse s10500id
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