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.
- Firman W03386
- Sportsman GEN1000i
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 | Firman W03386 | Sportsman GEN1000i |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 3300 W | 800 W |
| Starting watts | Winner: Winner: 3650 W | 1000 W |
| Noise (lower limit) | 58 dB | Winner: Winner: 56 dB |
| Weight | 91 lbs | Winner: Winner: 20.3 lbs |
| Run time @50% load | Not available | Winner: Winner: 6.3 h |
| Run time @25% load | 9 h | Not available |
| Fuel tank | 1.8 gal | 1.7 gal |
| Fuel gauge | No | No |
| Approx. dimensions (L × W × H) | 23.2 x 17.8 x 17.9 | 15.6 x 8 x 13.8 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 12 | 12 |
| GFCI outlets | No | No |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <3% % | Not available |
| Engine | ||
| Engine | 193 cc OHV 4-stroke, cast iron sleeve. | 40 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil |
| Warranty | ||
| Warranty | 3 years | 1 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 3300 W | 800 W |
| Starting watts | 3650 W | 1000 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 | 6.3 h |
| Run time @25% load | 9 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | CARB, EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Floating | Floating |
| UPC | 840876133866 | 27077802085 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 3300 | 800 |
| Starting Watts (Gasoline) | 3650 | 1000 |
| Runtime @ 50% Load (Gasoline) | Not available | 6.3 |
| Runtime @ 25% Load (Gasoline) | 9 | Not available |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R) | 1x 120V 20A (5-20R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 193 | 40 |
| Cylinder Sleeve | cast iron sleeve | Not available |
| Engine Oil Type | See 'Add Engine Oil' Section | SAE10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 9 | Not available |
| Runtime @ 50% Load (Gasoline) | Not available | 6.3 |
| Controls & display | ||
| Display Type | Not available | Inverter |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | No |
| Included equipment | ||
| Included Accessories | Oil, funnel, tool kit, key fob, battery charger, battery charging cables, and battery | Funnel, tool kit, and battery charging cables |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Part Number | Not available | GEN1000iC |
| Additional specs | ||
| Summary | 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. | The Sportsman GEN1000i is a gasoline inverter generator with a maximum wattage of 1000 peak watts and 800 running watts. It features a recoil start and is designed for lightweight, portable power delivery. |
- Most PowerfulFirman W033863300W running
- QuietestSportsman GEN1000i56 dB
- Longest RuntimeSportsman GEN1000i6.3h at 50% load
Where to buy
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Firman W03386
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Sportsman GEN1000i
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