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- Generac #8011 GP7500EDF
- Cat RP6500 E
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 #8011 GP7500EDF | Cat RP6500 E |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 7500 W | 6500 W |
| Starting watts | Winner: Winner: 9400 W | 8125 W |
| Noise (lower limit) | 0 dB | 0 dB |
| Weight | 204 lbs | Winner: Winner: 202 lbs |
| Run time @50% load | 10 h | Winner: Winner: 12 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 7.9 gal | 7.9 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 27.2 x 27 x 27.1 | 32.9 x 27.4 x 24.7 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | OHV 4-stroke | 420 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 7500 W | 6500 W |
| Starting watts | 9400 W | 8125 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 | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | 6800 W | Not available |
| Starting watts | 8500 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 | Not available | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | true |
| UPC | 696471103939 | 815683020067 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 7500 | 6500 |
| Running Watts (Propane) | 6800 | Not available |
| Starting Watts (Gasoline) | 9400 | 8125 |
| Starting Watts (Propane) | 8500 | Not available |
| Runtime @ 50% Load (Gasoline) | 10 | 12 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI, 1x 120/240V 30A (L14-30R) | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 420 | 420 |
| Engine Oil Type | 10W-30 / SAE 30 | SAE 30 or 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 10 | 12 |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Not available | Recoil, Electric |
| Included Accessories | Oil, funnel, battery charger, propane hose, battery, and wheel kit | Oil, funnel, tool kit, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | 80112 | 502-3688 |
| Additional specs | ||
| Summary | The Generac GP7500EDF is a 7,500-watt dual-fuel generator built to run whole-house backup or jobsite operations. It delivers 9,400 starting watts on gasoline, enough to handle refrigerators, air conditioning units, well pumps, and multiple power tools simultaneously. Dual-fuel capability means owners can switch between gasoline and propane, a real advantage when one fuel source becomes scarce during extended outages. | The Cat RP6500 E is a 6500-watt gasoline generator built for residential backup and light commercial work. Its 8125-watt peak capacity means it can start large tools and appliances that draw high inrush current, then sustain 6500 watts of continuous power for multiple devices simultaneously. A 7.9-gallon fuel tank delivers 12 hours of runtime at 50% load, which translates to roughly one full workday or overnight backup without refueling. The gasoline engine is straightforward to maintain and refuel anywhere, making this unit practical for job sites, outdoor events, and emergency home power. |
- Most PowerfulGenerac #8011 GP7500EDF7500W running
- QuietestdB
- Longest RuntimeCat RP6500 E12h at 50% load
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Generac #8011 GP7500EDF
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Cat RP6500 E
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