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| Specification | Genmax GM6250iET | Westinghouse iGen8200TFc |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Tri-Fuel | Tri-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | Yes |
| Running watts | 5500 W | Winner: Winner: 6600 W |
| Starting watts | 6250 W | Winner: Winner: 8200 W |
| Noise (lower limit) | 66 dB | Winner: Winner: 60 dB |
| Weight | Winner: Winner: 102.6 lbs | 134.5 lbs |
| Run time @50% load | Not available | Winner: Winner: 8.5 h |
| Run time @25% load | 10 h | 17 h |
| Fuel tank | 3 gal | 3.96 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 22.8 x 17.8 x 19.7 | 27 x 20.9 x 21.7 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240V 60 Hz |
| Voltage (DC) | 5 | 5 |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | 3 % |
| Engine | ||
| Engine | 224 cc OHV 4-stroke | 298 cc OHV 4-stroke, cast iron sleeve. |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 5500 W | 6600 W |
| Starting watts | 6250 W | 8200 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 | 10 h | 17 h |
| Natural gas | Not available | Not available |
| Running watts | 4500 W | 5280 W |
| Starting watts | 5000 W | 6560 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 | Not available |
| Propane | Not available | Not available |
| Running watts | 5000 W | 5940 W |
| Starting watts | 5500 W | 7380 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 | 11 h | 9.8 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | true |
| UPC | 784482491296 | 850060639784 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 5500 | 6600 |
| Running Watts (Propane) | 5000 | 5940 |
| Running Watts (Natural Gas) | 4500 | 5280 |
| Starting Watts (Gasoline) | 6250 | 8200 |
| Starting Watts (Propane) | 5500 | 7380 |
| Starting Watts (Natural Gas) | 5000 | 6560 |
| Runtime @ 25% Load (Gasoline) | 10 | 17 |
| Runtime @ 25% Load (Propane) | 11 | 9.8 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 50A (14-50R) | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 224 cc OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 224 | 298 |
| Cylinder Sleeve | Not available | Cast iron |
| Alternator Winding Material | Not available | Copper windings |
| Engine Oil Type | Not available | SAE 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 10 | 17 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric, Remote | Not available |
| Included Accessories | Funnel, tool kit, key fob, battery charger, cover, and battery | Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Additional specs | ||
| Summary | The Genmax GM6250iET is a 5,500-watt tri-fuel inverter generator built for users who need substantial backup power without sacrificing electronics protection. Its 3% THD rating means it can safely power laptops, refrigerators, and air conditioning units simultaneously, while the tri-fuel capability lets owners switch between gasoline, propane, and natural gas depending on availability. This combination of clean power and fuel flexibility makes it a practical choice for RV owners, homeowners facing extended outages, and job sites where power quality matters as much as raw wattage. | The Westinghouse iGen8200TFc is a 6,600-watt tri-fuel inverter generator built for homeowners and RV users who need flexible fuel sourcing and clean power for sensitive electronics. Its 8,200-watt starting capacity handles motor loads and air conditioning startup surges, while 3 percent THD protects laptops, TVs, and medical equipment from voltage spikes. |