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| Specification | Champion Power Equipment 201223 | Firman W03082 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Tri-Fuel | Gasoline |
| Inverter | No | Yes |
| Parallel capable | No | Yes |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 4000 W | 3000 W |
| Starting watts | Winner: Winner: 5000 W | 3300 W |
| Noise (lower limit) | 68 dB | Winner: Winner: 58 dB |
| Weight | 128 lbs | Winner: Winner: 90 lbs |
| Run time @50% load | Winner: Winner: 14 h | Not available |
| Run time @25% load | Not available | 9 h |
| Fuel tank | 5 gal | 1.8 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 24.6 x 25 x 22.2 in | 23.2 x 17.8 x 17.9 |
| Electrical | ||
| Voltage (AC) | 120 | 120V 60 Hz |
| Voltage (DC) | Not available | 12V |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <5% % | <3% % |
| Engine | ||
| Engine | 224 cc OHV 4-stroke | 171 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve |
| Alternator | Not available | Not available |
| Starting system | Not available | Recoil, Electric |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | Not available | 3000 W |
| Starting watts | 5000 W | 3300 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 | Not available | 9 h |
| Natural gas | Not available | Not available |
| Running watts | 3240 W | Not available |
| Starting watts | Not available | 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 |
| Propane | Not available | Not available |
| Running watts | Not available | 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 | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Floating |
| UPC | 817198026312 | 840876130827 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | Not available | 3000 |
| Running Watts (Natural Gas) | 3240 | Not available |
| Starting Watts (Gasoline) | 5000 | 3300 |
| Starting Watts (Propane) | 4500 | Not available |
| Runtime @ 25% Load (Gasoline) | Not available | 9 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120V 30A (TT-30R) | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 224 | 171 |
| Cylinder Sleeve | Not available | Cast iron sleeve |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 9 |
| Controls & display | ||
| Display Type | Data centerVFT | Not available |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Included Accessories | Oil, funnel, natural gas hose with NPT adapter, propane hose, battery, and wheel kit | Oil, funnel, tool kit, battery charger, battery charging cables, and battery |
| Warranty & identification | ||
| Commercial Warranty | Not available | 3 |
| Additional specs | ||
| Summary | The Champion Power Equipment 201223 is a 4000-watt tri-fuel portable generator with electric start and CO Shield® technology, capable of operating on gasoline, propane, or natural gas. | The Firman W03082 is a 3000-watt inverter generator built around a 171cc OHV 4-stroke engine. At this wattage, it can power most household appliances simultaneously: a refrigerator (600W), microwave (1000W), and several lights and chargers without strain. The 3300-watt peak handles motor startup surges for tools like circular saws or air compressors. Because it runs on gasoline with a 1.8-gallon tank, refueling happens frequently at higher loads, but the 9-hour runtime at 25% load means light-duty camping or backup power runs through a full day without interruption. The inverter topology keeps total harmonic distortion below 3%, which means laptops, phones, and sensitive medical equipment charge safely without risk of damage from dirty power. |