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| Specification | Generac #5735 GP17500E | Powerhorse s27000d |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | Yes | No |
| Running watts | 17500 W | Winner: Winner: 18000 W |
| Starting watts | 26250 W | Winner: Winner: 27000 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 97 dB |
| Weight | Winner: Winner: 390 lbs | 557 lbs |
| Run time @50% load | Winner: Winner: 10 h | 8 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 16 gal | 17.17 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 48.5 x 31 x 39.5 | 38 x 25.5 x 33.6 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240 |
| Voltage (DC) | 12 | 12 |
| GFCI outlets | Yes | Yes |
| Covered outlets | No | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | <5% % |
| Engine | ||
| Engine | 992 cc Generac OHVI 4-stroke | 999 cc OHV V-Twin |
| Alternator | Not available | Not available |
| Starting system | Electric | Electric |
| Warranty | ||
| Warranty | 2 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 17500 W | 18000 W |
| Starting watts | 26250 W | 27000 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 | 8 h |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | Not available | 16200 W |
| Starting watts | Not available | 24300 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 | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | true |
| UPC | 696471057355 | 840321763976 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 17500 | 18000 |
| Running Watts (Propane) | Not available | 16200 |
| Starting Watts (Gasoline) | 26250 | 27000 |
| Starting Watts (Propane) | Not available | 24300 |
| Runtime @ 50% Load (Gasoline) | 10 | 8 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) GFCI; 1x Duplex 120V 20A (5-20R); 2x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 2x Duplex 120V 20A (5-20R) GFCI2x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHVI 4-stroke | OHV V-Twin |
| Engine Displacement | 992 | 999 |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 10 | 8 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Starting Components | Battery | Not available |
| Included Accessories | Tool kit, battery, and wheel kit | Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit |
| Warranty & identification | ||
| Residential Warranty | Not available | 2 |
| Commercial Warranty | 2 | 2 |
| Part Number | 5735 | Not available |
| Additional specs | ||
| Summary | Generac's GP17500E is a 17,500-watt gasoline generator built for whole-house backup and demanding job sites. With 26,250 starting watts, it can simultaneously power central air conditioning, refrigeration, sump pumps, and multiple circuits without strain. This is a stationary powerhouse, not a portable unit, and gasoline refueling keeps operating costs straightforward and fuel accessible. | The Powerhorse s27000d is a robust dual-fuel generator offering 27,000 surge watts and 18,000 rated watts, suitable for both professional and home backup power needs. |
