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- Generac #8917 GP18000EFI
- Westinghouse WGen5300cv
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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 #8917 GP18000EFI | Westinghouse WGen5300cv |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 18000 W | 5300 W |
| Starting watts | Winner: Winner: 22500 W | 6600 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 68 dB |
| Weight | 442.8 lbs | Winner: Winner: 133.6 lbs |
| Run time @50% load | 9 h | Winner: Winner: 11 h |
| Run time @25% load | Not available | 14.5 h |
| Fuel tank | 14.2 gal | 4.7 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 58.5 x 30.9 x 36.5 | 23.2 x 20.1 x 19.1 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <5% % | ≤ 23% % |
| Engine | ||
| Engine | Generac G-Force OVHI 4-stroke | 274 cc OHV 4-stroke, cast iron sleeve. |
| Alternator | Not available | Not available |
| Starting system | Electric | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 18000 W | 5300 W |
| Starting watts | 22500 W | 6600 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 | 9 h | 11 h |
| Run time @25% load | Not available | 14.5 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Bonded to Frame | Floating |
| UPC | 696471101324 | 850011336700 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 18000 | 5300 |
| Starting Watts (Gasoline) | 22500 | 6600 |
| Runtime @ 50% Load (Gasoline) | 9 | 11 |
| Runtime @ 25% Load (Gasoline) | Not available | 14.5 |
| AC Outlet Types | 120/240V 50A (NEMA 14-50R), 120V 20A GFCI Duplex (NEMA 5-20R), 120V 30A Locking (NEMA L5-30R), 120/240V 30A Locking (NEMA L14-30R) | 1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Generac G-Force OVHI 4-stroke | OHV 4-stroke. |
| Engine Displacement | 816 | 274 |
| Cylinder Sleeve | Not available | Cast iron sleeve. |
| Engine Oil Type | 10W-30 / SAE30 | SAE 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 14.5 |
| Runtime @ 50% Load (Gasoline) | 9 | 11 |
| Controls & display | ||
| Display Type | Hour Meter | Not available |
| Safety & compliance | ||
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Mobility Components | 12" Never-flat Wheels, Folding Locking Handle | Not available |
| Starting Components | Electric Start, Battery Included | Not available |
| Included Accessories | Battery included | Oil, funnel, tool kit, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | 3 | Not available |
| Commercial Warranty | 2 | Not available |
| Part Number | 8917-0 | Not available |
| Additional specs | ||
| Summary | The Generac GP18000EFI is an 18,000 watt gasoline generator built for whole house backup and demanding job sites. With 22,500 peak watts, it can run central air conditioning, well pumps, electric ranges, and full household loads simultaneously. This is a stationary power solution for users who need utility replacement capacity. | The Westinghouse WGen5300cv is a gasoline-powered generator with a rated wattage of 5300 watts and a peak wattage of 6600 watts. It is designed for portable use with features suitable for home backup and RV applications. |
- Most PowerfulGenerac #8917 GP18000EFI18000W running
- QuietestWestinghouse WGen5300cv68 dB
- Longest RuntimeWestinghouse WGen5300cv11h at 50% load
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Generac #8917 GP18000EFI
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Westinghouse WGen5300cv
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