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| Specification | Firman W03661OF | WEN 56432i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 3650 W | 3600 W |
| Starting watts | Winner: Winner: 4500 W | Winner: Winner: 4500 W |
| Noise (lower limit) | 69 dB | Winner: Winner: 62 dB |
| Weight | 106 lbs | Winner: Winner: 52.9 lbs |
| Run time @50% load | Not available | Winner: Winner: 5.6 h |
| Run time @25% load | 25 h | Not available |
| Fuel tank | 6 gal | 1.27 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 24.5 x 24.1 x 23 | 19.3 x 12 x 18.3 |
| Electrical | ||
| Voltage (AC) | 120 | 120V AC |
| Voltage (DC) | 12 | 12V DC |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | 3 % | Not available |
| Engine | ||
| Engine | 208 cc OHV 4-stroke, cast iron sleeve. | Not available |
| Alternator | Not available | Not available |
| Starting system | Recoil | Not available |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3650 W | 3600 W |
| Starting watts | 4500 W | 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 | 5.6 h |
| Run time @25% load | 25 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | Not available |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating | Not available |
| UPC | 840876136614 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3650 | 3600 |
| Starting Watts (Gasoline) | 4500 | 4500 |
| Runtime @ 50% Load (Gasoline) | Not available | 5.6 |
| Runtime @ 25% Load (Gasoline) | 25 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120V 50A (14-50R) | 2 x 120V NEMA 5-20R receptacles. 1 x 120V TT-30R RV receptacle. |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | 4 Stroke, OHV, Single Cylinder with Forced Air Cooling System. |
| Engine Displacement | 208 | 181 |
| Cylinder Sleeve | Cast iron sleeve | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 25 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 5.6 |
| Controls & display | ||
| Display Type | Not available | Intelligent data meter. |
| Idle Control System | Not available | Eco-mode. |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Built-in overload protection. |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Documentation | Not available | Instruction manual. |
| Included Accessories | Oil, funnel, tool kit, RV adapter, battery charging cables, and wheel kit | Not available |
| Warranty & identification | ||
| Residential Warranty | Not available | 3 |
| Commercial Warranty | 3 | Not available |
| Part Number | Not available | 56432i |
| Additional specs | ||
| Summary | The Firman W03661OF is a 3650-watt inverter generator built around a 208cc OHV 4-stroke engine. This wattage class powers most household circuits simultaneously, including refrigerators, microwaves, and power tools, making it suitable for home backup and job site work. The gasoline fuel type and 6-gallon tank give users a familiar refueling experience without special infrastructure. Because this unit runs on standard fuel, users can source power anywhere gasoline is sold, a major advantage over propane or dual-fuel models. The inverter technology produces clean power at 3 percent THD, which means laptops, phones, and sensitive electronics charge safely without risk of voltage spikes. | The WEN 56432i is a gasoline-powered generator with a rated wattage of 3600 and a peak wattage of 4500, designed for reliable power supply. |