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- Generac #7951 RS8000E
- Powermate PM4500E
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 #7951 RS8000E | Powermate PM4500E |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 8000 W | 3600 W |
| Starting watts | Winner: Winner: 10000 W | 4500 W |
| Noise (lower limit) | 0 dB | 0 dB |
| Weight | 213.8 lbs | Winner: Winner: 114 lbs |
| Run time @50% load | 10.5 h | Winner: Winner: 14 h |
| Run time @25% load | Not available | 20 h |
| Fuel tank | 7.5 gal | 5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 30 x 27.1 x 25.7 | 26.3 x 22.9 x 21.6 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| 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 | 420 cc OHV 4-stroke | 224 cc Generac OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 8000 W | 3600 W |
| Starting watts | 10000 W | 4500 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 | 14 h |
| Run time @25% load | Not available | 20 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | EPA | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Bonded to frame. |
| UPC | 696471075823 | 696471080353 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 8000 | 3600 |
| Starting Watts (Gasoline) | 10000 | 4500 |
| Runtime @ 50% Load (Gasoline) | 10.5 | 14 |
| Runtime @ 25% Load (Gasoline) | Not available | 20 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R) | 2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 420 | 224 |
| Engine Oil Type | 10W-30/ SAE30 | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 20 |
| Runtime @ 50% Load (Gasoline) | 10.5 | 14 |
| Safety & compliance | ||
| Overload Protection System | SecurityLow oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Included Accessories | Oil, battery charger, extension cord, battery, and wheel kit | Oil, battery, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | 3 | Not available |
| Commercial Warranty | Not available | 3 |
| Additional specs | ||
| Summary | The Generac RS8000E is a gasoline powered 8000 watt generator built for serious power demands. With 10000 watt starting capacity, this unit handles high draw appliances and tools simultaneously. Running a central air conditioner, refrigerator, sump pump, and several lights at once sits well within reach. For homeowners facing extended outages or contractors powering a full spread of tools on a job site, the RS8000E functions as a legitimate whole house or whole site backup solution. | The Powermate PM4500E is a portable generator offering 4500 starting watts and 3600 running watts, featuring an electric start and a 224cc Generac OHV engine, suitable for various applications. |
- Most PowerfulGenerac #7951 RS8000E8000W running
- QuietestdB
- Longest RuntimePowermate PM4500E14h at 50% load
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Generac #7951 RS8000E
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