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 W03386
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 W03386 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | No | Yes |
| Running watts | Winner: Winner: 6100 W | 3300 W |
| Starting watts | Winner: Winner: 7600 W | 3650 W |
| Noise (lower limit) | 66 dB | Winner: Winner: 58 dB |
| Weight | 131.5 lbs | Winner: Winner: 91 lbs |
| Run time @50% load | Not available | Not available |
| Run time @25% load | Not available | Winner: Winner: 9 h |
| Fuel tank | 3.6 gal | 1.8 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 27.6 x 22 x 24 | 23.2 x 17.8 x 17.9 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120 |
| Voltage (DC) | Not available | 12 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | < 3% % | <3% % |
| Engine | ||
| Engine | 322 cc OHV 4-stroke | 193 cc OHV 4-stroke, cast iron sleeve. |
| Alternator | Not available | Not available |
| Starting system | Not available | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 6100 W | 3300 W |
| Starting watts | 7600 W | 3650 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 | 9 h |
| Propane | Not available | Not available |
| Running watts | 5500 W | Not available |
| Starting watts | 6900 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 | 11.2 h | Not available |
| Other | ||
| Data center | Digital data center | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 850016881526 | 840876133866 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 6100 | 3300 |
| Running Watts (Propane) | 5500 | Not available |
| Starting Watts (Gasoline) | 7600 | 3650 |
| Starting Watts (Propane) | 6900 | Not available |
| 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 | 9 |
| Runtime @ 25% Load (Propane) | 11.2 | Not available |
| 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); 1x 120V 30A (TT-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 322 | 193 |
| Cylinder Sleeve | Not available | cast iron sleeve |
| Engine Oil Type | Not available | See 'Add Engine Oil' Section |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 10 | 9 |
| 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 |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, propane hose, RV adapter, and battery | Oil, funnel, tool kit, key fob, battery charger, battery charging cables, 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 W03386 is a 3,300-watt inverter generator built for RV camping, emergency backup, and light job site work. Its 3,650-watt peak capacity handles startup surges from air conditioning units, refrigerators, and power tools without strain. Because the unit runs on gasoline with a 1.8-gallon tank, users get up to 9 hours of runtime at 25% load before refueling. The inverter topology and sub-3% THD output means laptops, smartphones, and sensitive electronics charge safely without voltage spikes that damage circuitry. At 58 dB, it operates at conversational volume, making it acceptable for residential neighborhoods and campgrounds where noise restrictions apply. This is a mid-sized workhorse for users who need portable power without the weight penalty of larger stationary units. |
- Most PowerfulA-iPower GXS7600iRD6100W running
- QuietestFirman W0338658 dB
- Longest Runtimeh at 50% load
Where to buy
Prices can change. We update these automatically.
A-iPower GXS7600iRD
Store links
No links yet.
Firman W03386
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.