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- Generac #8150 GP5500E
- Sportsman GEN7500DF-SS
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 #8150 GP5500E | Sportsman GEN7500DF-SS |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | Yes |
| Running watts | 5500 W | Winner: Winner: 6000 W |
| Starting watts | 6875 W | Winner: Winner: 7500 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 80 dB |
| Weight | Winner: Winner: 163 lbs | 194 lbs |
| Run time @50% load | Winner: Winner: 10.5 h | 9 h |
| Run time @25% load | 13.4 h | Not available |
| Fuel tank | 5.4 gal | 6.2 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 30 x 27 x 25 | 26.5 x 19.5 x 18 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | 12 |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | above 10% % |
| Engine | ||
| Engine | Generac OHV 4-stroke | 420 OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 2 years | 1 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 5500 W | 6000 W |
| Starting watts | 6875 W | 7500 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 | 10.5 h | 9 h |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | Not available | 5400 W |
| Starting watts | Not available | 6700 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 | 5 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | CARB, EPA | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Not available |
| UPC | 696471104639 | 27077082364 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 5500 | 6000 |
| Running Watts (Propane) | Not available | 5400 |
| Starting Watts (Gasoline) | 6875 | 7500 |
| Starting Watts (Propane) | Not available | 6700 |
| Runtime @ 50% Load (Gasoline) | 10.5 | 9 |
| Runtime @ 50% Load (Propane) | Not available | 5 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R) | 2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (TT-30R)1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 298 | 420 |
| Engine Oil Type | 5W-30 | SAE10W-30 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 10.5 | 9 |
| Runtime @ 50% Load (Propane) | Not available | 5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Mobility Components | Yes | Not available |
| Starting Components | Recoil, Electric | Not available |
| Included Accessories | Oil, Funnel, Tool Kit, Battery, and Wheel Kit | Funnel, tool kit, propane hose, battery charging cables, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 2 | Not available |
| Part Number | 8150 | Not available |
| Additional specs | ||
| Summary | The Generac GP5500E is a 5,500 watt gasoline generator built to power whole house essentials during outages or on job sites. Its 6,875 starting watts handle motor driven appliances like well pumps and air conditioners that demand heavy inrush current. For homeowners and contractors who want reliable backup without crossing into stationary generator territory, the GP5500E delivers meaningful output with the refueling simplicity of gasoline. | The Sportsman GEN7500DF-SS is a dual fuel generator capable of delivering 7,500 surge watts and 6,000 running watts, powered by a 15 HP 4-stroke OHV engine with both electric and recoil start options. |
- Most PowerfulSportsman GEN7500DF-SS6000W running
- QuietestSportsman GEN7500DF-SS80 dB
- Longest RuntimeGenerac #8150 GP5500E10.5h at 50% load
Where to buy
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Generac #8150 GP5500E
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Sportsman GEN7500DF-SS
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