Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
| Specification | Ford FG7750BiSRCO | Genmax GM6250iET |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Tri-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | Yes |
| Running watts | Winner: Winner: 6600 W | 5500 W |
| Starting watts | Winner: Winner: 7750 W | 6250 W |
| Noise (lower limit) | Winner: Winner: 62 dB | 66 dB |
| Weight | 133.4 lbs | Winner: Winner: 102.6 lbs |
| Run time @50% load | Winner: Winner: 8 h | Not available |
| Run time @25% load | Not available | 10 h |
| Fuel tank | 3.96 gal | 3 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 27 x 20.8 x 21.7 | 22.8 x 17.8 x 19.7 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240 |
| Voltage (DC) | 5 | 5 |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | 3 % |
| Engine | ||
| Engine | 298 cc OHV 4-stroke | 224 cc OHV 4-stroke |
| 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 | 6600 W | 5500 W |
| Starting watts | 7750 W | 6250 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 | 8 h | Not available |
| Run time @25% load | Not available | 10 h |
| Propane | Not available | Not available |
| Running watts | 5950 W | 5000 W |
| Starting watts | 6975 W | 5500 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 | 7 h | Not available |
| Run time @25% load | Not available | 11 h |
| Natural gas | Not available | Not available |
| Running watts | Not available | 4500 W |
| Starting watts | Not available | 5000 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 |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | true |
| UPC | 814726029838 | 784482491296 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 6600 | 5500 |
| Running Watts (Propane) | 5950 | 5000 |
| Running Watts (Natural Gas) | Not available | 4500 |
| Starting Watts (Gasoline) | 7750 | 6250 |
| Starting Watts (Propane) | 6975 | 5500 |
| Starting Watts (Natural Gas) | Not available | 5000 |
| Runtime @ 50% Load (Gasoline) | 8 | Not available |
| Runtime @ 50% Load (Propane) | 7 | Not available |
| Runtime @ 25% Load (Gasoline) | Not available | 10 |
| Runtime @ 25% Load (Propane) | Not available | 11 |
| 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 (L5-30R); 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | 224 cc OHV 4-stroke |
| Engine Displacement | 298 | 224 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 10 |
| Runtime @ 50% Load (Gasoline) | 8 | Not available |
| Runtime @ 50% Load (Propane) | 7 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection, CO monitoring |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Not available | Recoil, Electric, Remote |
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery | Funnel, tool kit, key fob, battery charger, cover, and battery |
| Warranty & identification | ||
| Commercial Warranty | Not available | 3 |
| Additional specs | ||
| Summary | The Ford FG7750BiSRCO is a 6,600-watt dual-fuel inverter generator that bridges the gap between portable and stationary power. It runs household appliances, power tools, and RV equipment simultaneously, making it suitable for whole-house backup, job sites, and extended camping. Dual-fuel operation lets owners switch between gasoline and propane based on fuel availability and storage needs. The 3 percent THD output protects laptops, phones, and sensitive electronics from voltage damage. At 62 decibels, it operates quietly enough for residential areas and campgrounds. | 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. |
