Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
| Specification | Genmax GM2800iAE | Yamaha EF3000iS |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | Yes | No |
| RV ready | Yes | No |
| Running watts | 2500 W | Winner: Winner: 2800 W |
| Starting watts | 2800 W | Winner: Winner: 3000 W |
| Noise (lower limit) | 62 dB | Winner: Winner: 54.5 dB |
| Weight | Winner: Winner: 54 lbs | 136 lbs |
| Run time @50% load | Not available | Not available |
| Run time @25% load | 10 h | Winner: Winner: 18.6 h |
| Fuel tank | 1.7 gal | 3.4 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 20.7 x 12.2 x 19.7 | 26.8 x 17.5 x 21.9 |
| Electrical | ||
| Voltage (AC) | 120 | 120 |
| Voltage (DC) | 5 | Not available |
| GFCI outlets | No | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | Not available |
| Engine | ||
| Engine | 145 cc Dinking OHV 4-stroke | 171 cc Yamaha MZ175 OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil |
| Warranty | ||
| Warranty | 1 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 2500 W | 2800 W |
| Starting watts | 2800 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 | 10 h | 18.6 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA, ANSI/PGMA G300-2023 | CARB, EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | Floating |
| UPC | Not available | 810856030645 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2500 | 2800 |
| Starting Watts (Gasoline) | 2800 | 3000 |
| Runtime @ 25% Load (Gasoline) | 10 | 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 | Dinking OHV 4-stroke | Yamaha MZ175 OHV 4-stroke |
| Engine Displacement | 145 | 171 |
| Engine Oil Type | 10W-30 | Not available |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 10 | 18.6 |
| Safety & compliance | ||
| Overload Protection System | Not available | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Not available | Battery charging cables |
| Warranty & identification | ||
| Commercial Warranty | Not available | 3 |
| Additional specs | ||
| Summary | The Genmax GM2800iAE is a 2800-watt gasoline inverter generator with CO Detect, suitable for emergency home power, outdoor activities, and RV use. Its inverter technology ensures clean power for sensitive electronics and it features multiple starting options for convenience. | 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. |
