Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
| Specification | Firman W03661OF | Generac #7723 iQ3500 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 3650 W | 3000 W |
| Starting watts | Winner: Winner: 4500 W | 3500 W |
| Noise (lower limit) | Winner: Winner: 69 dB | 0 dB |
| Weight | Winner: Winner: 106 lbs | 109.1 lbs |
| Run time @50% load | Not available | Winner: Winner: 8.9 h |
| Run time @25% load | 25 h | 14.1 h |
| Fuel tank | 6 gal | 2.6 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 24.5 x 24.1 x 23 | 23.7 x 18 x 21.7 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 12 | 5 |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | <3% % |
| Engine | ||
| Engine | 208 cc OHV 4-stroke, cast iron sleeve. | 212 cc Generac OHV 4-stroke. |
| Alternator | Not available | Not available |
| Starting system | Recoil | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3650 W | Not available |
| Starting watts | 4500 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 | 8.9 h |
| Run time @25% load | 25 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 840876136614 | 696471103922 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3650 | Not available |
| Starting Watts (Gasoline) | 4500 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 8.9 |
| 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) | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 208 | 212 |
| Cylinder Sleeve | Cast iron sleeve | Not available |
| Engine Oil Type | Not available | 10W-30 / SAE 30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 25 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 8.9 |
| 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 | Oil, funnel, tool kit, and battery |
| Included Accessories | Oil, funnel, tool kit, RV adapter, battery charging cables, and wheel kit | Oil, funnel, tool kit, and battery |
| Warranty & identification | ||
| Commercial Warranty | 3 | 3 |
| Part Number | Not available | 7723 |
| 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 Generac #7723 iQ3500 is a 3000-watt inverter generator that runs on gasoline and delivers 3500 starting watts. This mid-range unit powers essential household appliances, power tools, and recreational equipment without requiring a dedicated outlet adapter. The inverter technology keeps total harmonic distortion below 3%, making it safe for laptops and sensitive electronics. |