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- Ford FG7750BiSRCO
- Generac #8947 iQ5200DF
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | Ford FG7750BiSRCO | Generac #8947 iQ5200DF |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 6600 W | 3900 W |
| Starting watts | Winner: Winner: 7750 W | 5200 W |
| Noise (lower limit) | Winner: Winner: 62 dB | 0 dB |
| Weight | 133.4 lbs | Winner: Winner: 107 lbs |
| Run time @50% load | 8 h | Winner: Winner: 9 h |
| Run time @25% load | Not available | 15 h |
| Fuel tank | 3.96 gal | 3.2 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 27 x 20.8 x 21.7 | 24.6 x 20.3 x 22.5 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120 |
| 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 | 223 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 | 6600 W | 3900 W |
| Starting watts | 7750 W | 5200 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 | 9 h |
| Run time @25% load | Not available | 15 h |
| Propane | Not available | Not available |
| Running watts | 5950 W | 3500 W |
| Starting watts | 6975 W | 4700 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 | 11 h |
| Run time @25% load | Not available | 20 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | false |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | CARB, EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | true |
| UPC | 814726029838 | 696471104509 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 6600 | 3900 |
| Running Watts (Propane) | 5950 | 3500 |
| Starting Watts (Gasoline) | 7750 | 5200 |
| Starting Watts (Propane) | 6975 | 4700 |
| Runtime @ 50% Load (Gasoline) | 8 | 9 |
| Runtime @ 50% Load (Propane) | 7 | 11 |
| Runtime @ 25% Load (Gasoline) | Not available | 15 |
| Runtime @ 25% Load (Propane) | Not available | 20 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 50A (14-50R) | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 298 | 223 |
| Engine Oil Type | Not available | 10W-30 / SAE 30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 15 |
| Runtime @ 50% Load (Gasoline) | 8 | 9 |
| Runtime @ 50% Load (Propane) | 7 | 11 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection, CO monitoring |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Not available | Oil, funnel, tool kit, propane hose, and battery |
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery | Oil, funnel, tool kit, propane hose, and battery |
| Warranty & identification | ||
| Part Number | Not available | 8947, 8945 |
| 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 Generac iQ5200DF is a 3,900-watt dual-fuel inverter generator that bridges emergency home backup and recreational use. At this output level, it powers essential circuits like refrigerators, sump pumps, and window air conditioners simultaneously, but not a full house or central HVAC. The dual-fuel design lets owners switch between gasoline and propane based on availability, a genuine advantage when supply chains break down during extended outages. Because the iQ5200DF produces electronically regulated current with less than 3% THD, laptops, flat-screen TVs, CPAP machines, and smart home devices run safely without voltage-related risk. |
- Most PowerfulFord FG7750BiSRCO6600W running
- QuietestFord FG7750BiSRCO62 dB
- Longest RuntimeGenerac #8947 iQ5200DF9h at 50% load
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Ford FG7750BiSRCO
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Generac #8947 iQ5200DF
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