Compare Generators Side-by-Side
Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
- A-iPower GXS7600iRD
- Firman WT05571
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 @25%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
| Specification | A-iPower GXS7600iRD | Firman WT05571 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Tri-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 6100 W | 5500 W |
| Starting watts | Winner: Winner: 7600 W | 6850 W |
| Noise (lower limit) | Winner: Winner: 66 dB | 67 dB |
| Weight | 131.5 lbs | Winner: Winner: 131.4 lbs |
| Run time @50% load | Not available | Not available |
| Run time @25% load | Not available | Winner: Winner: 14.5 h |
| Fuel tank | 3.6 gal | 5.3 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 27.6 x 22 x 24 | 27.6 x 21.3 x 22.6 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | 12 |
| GFCI outlets | No | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | < 3% % | 3 % |
| Engine | ||
| Engine | 322 cc OHV 4-stroke | 322 cc 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 | 6100 W | 5500 W |
| Starting watts | 7600 W | 6850 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 | 14.5 h |
| Propane | Not available | Not available |
| Running watts | 5500 W | 5000 W |
| Starting watts | 6900 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 | Not available | Not available |
| Run time @25% load | 11.2 h | 9.5 h |
| Natural gas | Not available | Not available |
| Running watts | Not available | 4500 W |
| Starting watts | Not available | 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 | Not available | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Digital data center | Not available |
| Indicators | true | Not available |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Bonded to frame |
| UPC | 850016881526 | 840876155714 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 6100 | 5500 |
| Running Watts (Propane) | 5500 | 5000 |
| Running Watts (Natural Gas) | Not available | 4500 |
| Starting Watts (Gasoline) | 7600 | 6850 |
| Starting Watts (Propane) | 6900 | 6250 |
| Starting Watts (Natural Gas) | Not available | 5500 |
| Rated Watts (Gasoline) | 6100 | Not available |
| Rated Watts (Propane) | 5500 | Not available |
| Peak Watts (Gasoline) | 7600 | Not available |
| Peak Watts (Propane) | 6900 | Not available |
| Runtime @ 25% Load (Gasoline) | 10 | 14.5 |
| Runtime @ 25% Load (Propane) | 11.2 | 9.5 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R) | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 322 | 322 |
| Cylinder Sleeve | Not available | cast iron sleeve |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 10 | 14.5 |
| Controls & display | ||
| Display Type | Digital data center | Not available |
| Idle Control System | Low idle technology | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | 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, RV adapter, and battery | Oil, funnel, tool kit, propane hose, and battery |
| Warranty & identification | ||
| Commercial Warranty | Not available | 3 |
| Additional specs | ||
| Summary | The A-iPower GXS7600iRD is a 6,100-watt dual-fuel inverter generator built for job sites and RV use. On gasoline, it delivers enough power for multiple power tools simultaneously or a full-size RV electrical system. The propane option extends runtime and reduces emissions, making it flexible for extended deployments. | The Firman WT05571 is a 5,500-watt tri-fuel generator that runs on gasoline, propane, or natural gas. On gasoline, it delivers 6,850 starting watts and 5,500 running watts, enough to power a full home electrical panel during an outage or run multiple job site tools simultaneously. On propane, output drops to 6,250 starting and 5,000 running watts. On natural gas, it falls to 5,500 starting and 4,500 running watts. This fuel flexibility means users can switch between sources based on availability, cost, or storage preference without buying multiple generators.
The tri-fuel capability makes this unit valuable for homeowners in regions with natural gas infrastructure, RV owners who can refill propane at any campground, and contractors who need to adapt to job site fuel availability. The 3 percent THD rating protects laptops, televisions, and other sensitive electronics from voltage spikes that damage circuits. At 67 decibels, the noise level sits between a typical conversation and heavy traffic, making it suitable for residential neighborhoods but audible enough that neighbors will know it is running. |
- Most PowerfulA-iPower GXS7600iRD6100W running
- QuietestA-iPower GXS7600iRD66 dB
- Longest Runtimeh at 50% load
Where to buy
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A-iPower GXS7600iRD
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Firman WT05571
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