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| Specification | Briggs & Stratton 30728 Storm Responder | VEVOR GF12000E-A2 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Tri-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | 6250 W | Winner: Winner: 9000 W |
| Starting watts | 8500 W | Winner: Winner: 13500 W |
| Noise (lower limit) | 0 dB | 0 dB |
| Weight | Winner: Winner: 210 lbs | 234.8 lbs |
| Run time @50% load | Winner: Winner: 11 h | 9.5 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 7.5 gal | 9.2 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 28 x 27 x 28 | 29.9 x 28.7 x 27.4 |
| Electrical | ||
| Voltage (AC) | 120/240 | AC120V/AC240V |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 0 % |
| Engine | ||
| Engine | Briggs & Stratton® | Four-Stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Not available |
| Warranty | ||
| Warranty | 2 years | 0 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 6250 W | 9000 W |
| Starting watts | 8500 W | 13500 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 | 11 h | 9.5 h |
| Run time @25% load | Not available | Not available |
| Natural gas | Not available | Not available |
| Running watts | Not available | 7200 W |
| Starting watts | Not available | 11000 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 |
| Propane | Not available | Not available |
| Running watts | Not available | 8100 W |
| Starting watts | Not available | 12000 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 | true | Not available |
| Compliance | ANSI/PGMA G300-2018 | Not available |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | true | Not available |
| UPC | 11675307288 | Not available |
| Core / High-priority specs | ||
| Generator Type | Not available | Generator |
| Running Watts (Gasoline) | 6250 | 9000 |
| Running Watts (Propane) | Not available | 8100 |
| Running Watts (Natural Gas) | Not available | 7200 |
| Starting Watts (Gasoline) | 8500 | 13500 |
| Starting Watts (Propane) | Not available | 12000 |
| Starting Watts (Natural Gas) | Not available | 11000 |
| Runtime @ 50% Load (Gasoline) | 11 | 9.5 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) | Not available |
| Electrical & power | ||
| Frequency | 60 | Not available |
| Engine & construction | ||
| Engine Type | 1850 Series™ OHV Engine | Not available |
| Engine Displacement | 420 | 500 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 11 | 9.5 |
| Outlets & connections | ||
| Transfer Switch Ready | No | No |
| Controls & display | ||
| Display Type | StatStation™ Digital Display | Not available |
| Idle Control System | No | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection; CO monitoring | Not available |
| Low Oil Protection | Yes | No |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Mobility Components | 10" Never Go Flat Wheels | Not available |
| Starting Components | Recoil | Not available |
| Documentation | operator's manual or illustrated parts list | Not available |
| Included Accessories | Extension cord and wheel kit | Not available |
| Warranty & identification | ||
| Residential Warranty | 2 | Not available |
| Commercial Warranty | 0.25 | Not available |
| Part Number | 030728 | GF12000E-A2 |
| Additional specs | ||
| Summary | The Briggs & Stratton 30728 Storm Responder is a 6250-watt gasoline generator built for homeowners and job sites that need sustained power for essential appliances and tools. With 8500 peak watts, it can start large loads like air compressors and refrigerators that draw high inrush current. The 7.5-gallon fuel tank delivers 11 hours of runtime at half load, meaning users can run the unit through a full workday or overnight without refueling. This is a stationary-leaning portable unit, not a grab-and-go machine. | The VEVOR GF12000E-A2 is a tri-fuel generator with a rated wattage of 9000 and a peak wattage of 13500. |