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| Specification | Cummins Onan P5000iDF EFI | WEN DF475T |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | Yes | No |
| Parallel capable | Yes | No |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 3900 W | 3800 W |
| Starting watts | Winner: Winner: 5000 W | 4750 W |
| Noise (lower limit) | Winner: Winner: 52 dB | 69 dB |
| Weight | 108 lbs | Winner: Winner: 105.8 lbs |
| Run time @50% load | Winner: Winner: 13 h | 11 h |
| Run time @25% load | 16.8 h | Not available |
| Fuel tank | 3.4 gal | 4 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 25.1 x 18.1 x 21.2 | 23.2 x 17.5 x 18.5 |
| Electrical | ||
| Voltage (AC) | 120 | 120/240 |
| Voltage (DC) | 5 | 12 |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | Not available |
| Engine | ||
| Engine | 224 cc OHV 4-stroke | 224 cc WEN OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil and Electric |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3900 W | 3800 W |
| Starting watts | 5000 W | 4750 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 | 13 h | 11 h |
| Run time @25% load | 16.8 h | Not available |
| Propane | Not available | Not available |
| Running watts | 3500 W | 3500 W |
| Starting watts | 4500 W | 4350 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 | 20 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Not available |
| UPC | Not available | 44459144762 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3900 | 3800 |
| Running Watts (Propane) | 3500 | 3500 |
| Starting Watts (Gasoline) | 5000 | 4750 |
| Starting Watts (Propane) | 4500 | 4350 |
| Runtime @ 50% Load (Gasoline) | 13 | 11 |
| Runtime @ 25% Load (Gasoline) | 16.8 | Not available |
| Runtime @ 25% Load (Propane) | 20 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R) | 1x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 224 cc OHV 4-stroke | WEN OHV 4-stroke |
| Engine Displacement | 224 | 224 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 16.8 | Not available |
| Runtime @ 50% Load (Gasoline) | 13 | 11 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection; CO monitoring | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Starting Components | Not available | Recoil, Electric |
| Included Accessories | Not available | Oil, propane hose, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | 2 |
| Part Number | A075C500 | Not available |
| Additional specs | ||
| Summary | 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. | The WEN DF475T is a 3,800-watt dual-fuel generator built for users who need flexibility between gasoline and propane. Its 4,750-watt starting capacity handles motor inrush demands, while the dual-fuel option extends runtime options across different storage and supply scenarios. |