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.
- Yamaha EF3000iS
- Predator 73422
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 | Yamaha EF3000iS | Predator 73422 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | No | Yes |
| RV ready | No | No |
| Running watts | Winner: Winner: 2800 W | 2000 W |
| Starting watts | Winner: Winner: 3000 W | 2500 W |
| Noise (lower limit) | Winner: Winner: 54.5 dB | 58 dB |
| Weight | 136 lbs | Winner: Winner: 46 lbs |
| Run time @50% load | Not available | Not available |
| Run time @25% load | Winner: Winner: 18.6 h | 9 h |
| Fuel tank | 3.4 gal | Not available |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 26.8 x 17.5 x 21.9 | 20.375 x 11.625 x 19.125 |
| Electrical | ||
| Voltage (AC) | 120 | 120V |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | No | No |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | No |
| THD | Not available | Not available |
| Engine | ||
| Engine | 171 cc Yamaha MZ175 OHV 4-stroke | Not available |
| Alternator | Not available | Not available |
| Starting system | Recoil | Not available |
| Warranty | ||
| Warranty | 3 years | 2 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 2800 W | Not available |
| Starting watts | 3000 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 | 18.6 h | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | Not available |
| Compliance | CARB, EPA | Not available |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | Floating | Not available |
| UPC | 810856030645 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 2800 | Not available |
| Starting Watts (Gasoline) | 3000 | Not available |
| Runtime @ 25% Load (Gasoline) | 18.6 | Not available |
| AC Outlet Types | AC outlets1x Duplex 120V 20A (5-20R)1x 120V 30A (L5-30R) | Not available |
| Electrical & power | ||
| Frequency | 60 | Not available |
| Engine & construction | ||
| Engine Type | Yamaha MZ175 OHV 4-stroke | Not available |
| Engine Displacement | 171 | 98 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 18.6 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Battery charging cables | Not available |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Additional specs | ||
| Summary | 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. | The Predator 73422 is a gasoline-powered generator rated for 2000 running watts with 2500 starting watts. That combination sets it up to handle steady electrical loads while also giving extra headroom for devices that draw more power when they first switch on. |
- Most PowerfulYamaha EF3000iS2800W running
- QuietestYamaha EF3000iS54.5 dB
- Longest Runtimeh at 50% load
Where to buy
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Yamaha EF3000iS
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Predator 73422
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