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| Specification | WEN DF475T | Yamaha EF5500DE |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | 3800 W | Winner: Winner: 4500 W |
| Starting watts | 4750 W | Winner: Winner: 5500 W |
| Noise (lower limit) | Winner: Winner: 69 dB | 74.1 dB |
| Weight | Winner: Winner: 105.8 lbs | 238.1 lbs |
| Run time @50% load | 11 h | Winner: Winner: 13.5 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 4 gal | 6.9 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 23.2 x 17.5 x 18.5 | 29.1 x 29 x 31.5 in |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240V 60 Hz |
| Voltage (DC) | 12 | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | 224 cc WEN OHV 4-stroke | Yamaha MZ360 OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil and Electric | Recoil, Electric |
| Warranty | ||
| Warranty | 2 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3800 W | 4500 W |
| Starting watts | 4750 W | 5500 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 | 13.5 h |
| Run time @25% load | Not available | Not available |
| Propane | Not available | Not available |
| Running watts | 3500 W | Not available |
| Starting watts | 4350 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 | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 44459144762 | 765053823098 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3800 | 4500 |
| Running Watts (Propane) | 3500 | Not available |
| Starting Watts (Gasoline) | 4750 | 5500 |
| Starting Watts (Propane) | 4350 | Not available |
| Runtime @ 50% Load (Gasoline) | 11 | 13.5 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) | 2x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | WEN OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 224 | 358 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 11 | 13.5 |
| Controls & display | ||
| Display Type | Not available | Data center |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric | Not available |
| Documentation | Not available | Data center |
| Included Accessories | Oil, propane hose, battery, and wheel kit | Tool kit, battery, and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 2 | Not available |
| Part Number | Not available | EF55DEX |
| Additional specs | ||
| Summary | 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. | The Yamaha EF5500DE is a versatile dual 120/240 volt generator, ideal for emergency backup power for home, cottage, or business, as well as primary power on job sites. It features a 358cc OHV engine, electric start, and offers 5500 watts maximum AC output with outstanding fuel efficiency. |
