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| Specification | Cummins Onan P9500DF EFI | AIVOLT VS1600101 |
|---|---|---|
| General | ||
| Product type | Generator | Not available |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | No | No |
| Running watts | Winner: Winner: 7500 W | 1260 W |
| Starting watts | Winner: Winner: 9500 W | 1600 W |
| Noise (lower limit) | 74 dB | Winner: Winner: 57 dB |
| Weight | 211.6 lbs | Winner: Winner: 28 lbs |
| Run time @50% load | Winner: Winner: 9.6 h | Not available |
| Run time @25% load | 14.4 h | 8 h |
| Fuel tank | 6.6 gal | 3.5 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 27.3 x 20.6 x 22.6 | 16.93″L x 9.92″W x 15.75″H |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 Volts (AC) |
| Voltage (DC) | 5 | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | 23 % | 3 % |
| Engine | ||
| Engine | 420 cc OHV 4-stroke | 60cc 4-strokes OHV air-cooled engine |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Not available |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 7500 W | 1260 W |
| Starting watts | 9500 W | 1600 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 | 9.6 h | Not available |
| Run time @25% load | 14.4 h | 8 h |
| Propane | Not available | Not available |
| Running watts | 6750 W | Not available |
| Starting watts | 8550 W | Not available |
| 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 | 10.8 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | Complies with Emissions Standards |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | true | Not available |
| UPC | Not available | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 7500 | 1260 |
| Running Watts (Propane) | 6750 | Not available |
| Starting Watts (Gasoline) | 9500 | 1600 |
| Starting Watts (Propane) | 8550 | Not available |
| Runtime @ 50% Load (Gasoline) | 9.6 | Not available |
| Runtime @ 25% Load (Gasoline) | 14.4 | 8 |
| Runtime @ 25% Load (Propane) | 10.8 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R) | Two 120V 20A outlets |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | 4 Stroke |
| Engine Displacement | 420 | 60 |
| Alternator Winding Material | Not available | 100% copper |
| Engine Oil Type | SAE10W30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 14.4 | 8 |
| Runtime @ 50% Load (Gasoline) | 9.6 | Not available |
| Controls & display | ||
| Idle Control System | Not available | Automatic Idle Control |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Built-in overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Mobility Components | Yes | Not available |
| Included Accessories | Oil, funnel, tool kit, key fob, propane hose, battery, and wheel kit | Not available |
| Warranty & identification | ||
| Residential Warranty | Not available | 2 |
| Commercial Warranty | 3 | Not available |
| Part Number | A075C509 | Not available |
| Additional specs | ||
| Summary | The Cummins Onan P9500DF EFI is a 7,500-watt dual-fuel generator built for users who need sustained power across multiple load types. On gasoline, it delivers 7,500 running watts and 9,500 peak watts. On propane, it drops to 6,750 running watts and 8,550 peak watts, which means propane users sacrifice roughly 10 percent of output but gain extended storage life and cleaner emissions. The electronic fuel injection engine handles high-altitude operation up to 13,123 feet without modification, making it viable for mountain jobsites, remote cabins, and RV camps where carbureted engines would struggle. At 211.6 pounds with an included wheel kit, this generator demands stationary placement or two-person handling, but the 6.6-gallon fuel tank stretches runtime to 14.4 hours at 25 percent load on gasoline. This is a workhorse for contractors, emergency backup, and off-grid scenarios where fuel flexibility and durability matter more than portability. | The AIVOLT VS1600101 is a gasoline inverter generator with a rated wattage of 1260 and a peak wattage of 1600. |
