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.
- Sportsman GEN3000iOF
- Yamaha EF3000iS
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 | Sportsman GEN3000iOF | Yamaha EF3000iS |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 2850 W | 2800 W |
| Starting watts | Winner: Winner: 3000 W | Winner: Winner: 3000 W |
| Noise (lower limit) | 65 dB | Winner: Winner: 54.5 dB |
| Weight | Winner: Winner: 75 lbs | 136 lbs |
| Run time @50% load | Winner: Winner: 8 h | Not available |
| Run time @25% load | Not available | 18.6 h |
| Fuel tank | 3.1 gal | 3.4 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 18 x 16.5 x 18 | 26.8 x 17.5 x 21.9 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | Not available |
| GFCI outlets | No | No |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | Not available |
| Engine | ||
| Engine | 208 cc OHV 4-stroke | 171 cc Yamaha MZ175 OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Not available | Recoil |
| Warranty | ||
| Warranty | 1 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 2850 W | 2800 W |
| Starting watts | 3000 W | 3000 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 | 18.6 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Not available | Floating |
| UPC | 27077805604 | 810856030645 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2850 | 2800 |
| Starting Watts (Gasoline) | 3000 | 3000 |
| Runtime @ 25% Load (Gasoline) | Not available | 18.6 |
| AC Outlet Types | 1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R) | AC outlets1x Duplex 120V 20A (5-20R)1x 120V 30A (L5-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | Yamaha MZ175 OHV 4-stroke |
| Engine Displacement | 208 | 171 |
| Engine Oil Type | SAE 10W30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | Not available | 18.6 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil | Not available |
| Included Accessories | Tool kit and battery charging cables | Battery charging cables |
| Warranty & identification | ||
| Commercial Warranty | Not available | 3 |
| Additional specs | ||
| Summary | The Sportsman GEN3000iOF is a 3,000 surge watt, 2,850 running watt gasoline-powered inverter generator designed to safely charge and run sensitive electronics, small appliances, and power tools. It features sine wave technology for clean, stable voltage, making it suitable for use with computers, TVs, and other sensitive devices. The open frame design allows for maximum airflow, keeping the generator at a cooler operating temperature. Equipped with two 120V AC outlets, one 120V RV-ready outlet, and two USB ports, it offers versatile connectivity options. The generator also includes a parallel power port terminal, allowing users to chain multiple units together to increase total output power using a parallel power kit (sold separately). | The Yamaha EF3000iS is a 3000-watt inverter generator designed for quiet operation and portability, featuring advanced technologies like Smart Throttle and Noise Block, and backed by a 3-year limited warranty. |
- Most PowerfulSportsman GEN3000iOF2850W running
- QuietestYamaha EF3000iS54.5 dB
- Longest RuntimeSportsman GEN3000iOF8h at 50% load
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Sportsman GEN3000iOF
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Yamaha EF3000iS
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