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| Specification | Briggs & Stratton 30728 Storm Responder | Cummins Onan P5000iDF EFI |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 6250 W | 3900 W |
| Starting watts | Winner: Winner: 8500 W | 5000 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 52 dB |
| Weight | 210 lbs | Winner: Winner: 108 lbs |
| Run time @50% load | 11 h | Winner: Winner: 13 h |
| Run time @25% load | Not available | 16.8 h |
| Fuel tank | 7.5 gal | 3.4 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 28 x 27 x 28 | 25.1 x 18.1 x 21.2 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | Not available | 5 |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | 3 % |
| Engine | ||
| Engine | Briggs & Stratton® | 224 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 2 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 6250 W | 3900 W |
| Starting watts | 8500 W | 5000 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 | 13 h |
| Run time @25% load | Not available | 16.8 h |
| Propane | Not available | Not available |
| Running watts | Not available | 3500 W |
| Starting watts | Not available | 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 | Not available | Not available |
| Run time @25% load | Not available | 20 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | ANSI/PGMA G300-2018 | CARB, EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Floating |
| UPC | 11675307288 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 6250 | 3900 |
| Running Watts (Propane) | Not available | 3500 |
| Starting Watts (Gasoline) | 8500 | 5000 |
| Starting Watts (Propane) | Not available | 4500 |
| Runtime @ 50% Load (Gasoline) | 11 | 13 |
| Runtime @ 25% Load (Gasoline) | Not available | 16.8 |
| Runtime @ 25% Load (Propane) | Not available | 20 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 1850 Series™ OHV Engine | 224 cc OHV 4-stroke |
| Engine Displacement | 420 | 224 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 16.8 |
| Runtime @ 50% Load (Gasoline) | 11 | 13 |
| 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 | Low oil and overload protection; CO monitoring |
| Low Oil Protection | Yes | Yes |
| 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 | 3 |
| Part Number | 030728 | A075C500 |
| 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 Cummins Onan P5000iDF EFI is a 3900-watt dual-fuel inverter generator built for RV owners, campers, and homeowners who need reliable portable power without excessive noise. Its 5000-watt peak capacity handles startup demands of air conditioners, power tools, and multiple appliances simultaneously. The dual-fuel design means you can run gasoline when convenient and switch to propane for longer storage life or when gasoline is unavailable. At 52 dBA, this unit operates as quietly as normal conversation, making it suitable for campgrounds and residential neighborhoods where noise restrictions apply. The inverter technology produces clean power with only 3 percent THD, protecting laptops, smartphones, and sensitive electronics from voltage spikes that damage circuits. |
