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| Specification | Firman W03383 | WEN DF680iX |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Dual-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | Yes |
| Running watts | 3300 W | Winner: Winner: 5100 W |
| Starting watts | 3650 W | Winner: Winner: 6800 W |
| Noise (lower limit) | Winner: Winner: 58 dB | 64 dB |
| Weight | Winner: Winner: 91 lbs | 94.8 lbs |
| Run time @50% load | Not available | Winner: Winner: 6.1 h |
| Run time @25% load | 9 h | Not available |
| Fuel tank | 1.8 gal | 2.9 gal |
| Fuel gauge | No | Yes |
| Approx. dimensions (L × W × H) | 23.2 x 17.8 x 17.9 | 22.8 x 16.6 x 19.7 |
| Electrical | ||
| Voltage (AC) | 120 | 120/240 |
| Voltage (DC) | 12 | 12 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <3% % | 1.2 % |
| Engine | ||
| Engine | 193 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve | 224 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3300 W | 5100 W |
| Starting watts | 3650 W | 6800 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 | 6.1 h |
| Run time @25% load | 9 h | Not available |
| Propane | Not available | Not available |
| Running watts | Not available | 4500 W |
| Starting watts | Not available | 6000 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 | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | true |
| UPC | 840876133835 | 44459096801 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3300 | 5100 |
| Running Watts (Propane) | Not available | 4500 |
| Starting Watts (Gasoline) | 3650 | 6800 |
| Starting Watts (Propane) | Not available | 6000 |
| Runtime @ 50% Load (Gasoline) | Not available | 6.1 |
| Runtime @ 50% Load (Propane) | Not available | 9 |
| Runtime @ 25% Load (Gasoline) | 9 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R) | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R); 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 193 | 224 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 9 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 6.1 |
| Runtime @ 50% Load (Propane) | Not available | 9 |
| Safety & compliance | ||
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | No | Yes |
| Included equipment | ||
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, battery charging cables, and battery | Oil, funnel, tool kit, propane hose, and battery |
| Additional specs | ||
| Summary | The Firman W03383 is a 3300-watt inverter generator built around a 193cc OHV 4-stroke engine with a cast iron sleeve. At this wattage, it can run a refrigerator, microwave, and several lights simultaneously, or power essential household circuits during an outage. The inverter technology keeps total harmonic distortion below 3%, which protects laptops, smartphones, and other sensitive electronics from voltage spikes. This unit bridges the gap between lightweight portables and mid-range backup power, making it useful for both recreational trips and emergency home backup. | The WEN DF680iX is a 6800-watt dual fuel inverter generator designed for versatility and convenience, featuring electric start, CO shutdown sensor, and compatibility with both gasoline and propane fuels. |