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| Specification | Cummins Onan P9500df | Westinghouse WGen5300DFc |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 7500 W | 5300 W |
| Starting watts | Winner: Winner: 9500 W | 6600 W |
| Noise (lower limit) | 74 dB | Winner: Winner: 68 dB |
| Weight | 194 lbs | Winner: Winner: 135.6 lbs |
| Run time @50% load | Winner: Winner: 11 h | Not available |
| Run time @25% load | 16 h | 14.5 h |
| Fuel tank | 6.6 gal | 4.7 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 27.3 x 26.3 x 26.3 | 23.4 x 20.6 x 19.5 |
| 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 | 23 % | 23 % |
| Engine | ||
| Engine | 420 cc Ducar OHV 4-stroke | 274 cc OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 7500 W | 5300 W |
| Starting watts | 9500 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 | 11 h | 11 h |
| Run time @25% load | 16 h | Not available |
| Propane | Not available | Not available |
| Running watts | 6750 W | 4800 W |
| Starting watts | 8550 W | 5900 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 | 9 h |
| Run time @25% load | 8 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Floating |
| UPC | 690781007932 | 850011336717 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 7500 | 5300 |
| Running Watts (Propane) | 6750 | 4800 |
| Starting Watts (Gasoline) | 9500 | 6600 |
| Starting Watts (Propane) | 8550 | 5900 |
| Runtime @ 50% Load (Gasoline) | 11 | 11 |
| Runtime @ 50% Load (Propane) | Not available | 9 |
| Runtime @ 25% Load (Gasoline) | 16 | Not available |
| Runtime @ 25% Load (Propane) | 8 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) | 1x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Ducar OHV 4-stroke | 274 cc OHV 4-stroke, cast iron sleeve |
| Engine Displacement | 420 | 274 |
| Cylinder Sleeve | Not available | Cast iron |
| Engine Oil Type | SAE 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 16 | Not available |
| Runtime @ 50% Load (Gasoline) | 11 | 11 |
| Runtime @ 50% Load (Propane) | Not available | 9 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Not available | Recoil, Electric, Remote |
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit | Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery |
| Warranty & identification | ||
| Residential Warranty | Not available | 3 |
| Commercial Warranty | 3 | 3 |
| Part Number | A074Z438 | Not available |
| Additional specs | ||
| Summary | The Cummins Onan P9500df is a 7500-watt dual-fuel generator built for users who need sustained power across multiple scenarios. Running on either gasoline or propane, it delivers 9500 peak watts, enough to start large air conditioning units or power multiple job site tools simultaneously. The dual-fuel architecture means users can switch between fuel sources based on availability and storage constraints. Propane tanks store longer without degradation, while gasoline offers wider accessibility. This flexibility makes the unit valuable for both seasonal backup power and year-round work environments.
The 194-pound weight and 27.3 x 26.3 x 26.3 inch footprint define this as a semi-portable unit. The included wheel kit enables movement across job sites or between storage locations, but this is not a grab-and-go machine. Users planning frequent relocation should factor in the logistical demands. The three-year commercial warranty covers manufacturing defects, giving buyers defined ownership support across the critical early-use period. | The Westinghouse WGen5300DFc is a dual fuel portable generator designed for home backup and RV use, offering 6,600 peak watts and 5,300 running watts on gasoline, and 5,900 peak watts and 4,800 running watts on propane. It features a 274cc 4-Stroke OHV engine, push-button electric start with remote key fob, and runs up to 14.5 hours on a 4.7-gallon fuel tank. The generator includes automatic low oil and carbon monoxide shutdown, voltage regulation, and overload protection. |