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| Specification | Yamaha EF5500D | Predator 72920 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | 4500 W | Winner: Winner: 5500 W |
| Starting watts | 5500 W | Winner: Winner: 6500 W |
| Noise (lower limit) | 74.1 dB | Winner: Winner: 73.5 dB |
| Weight | 216.1 lbs | Winner: Winner: 165 lbs |
| Run time @50% load | 13.5 h | Winner: Winner: 14.5 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 6.9 gal | Not available |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 29.1 x 29 x 31.5 in | 26-7/8 x 22 x 22-3/4 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240V |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | No | No |
| Automatic Voltage Regulation | Yes | No |
| THD | Not available | Not available |
| Engine | ||
| Engine | Yamaha MZ360 OHV 4-stroke | Not available |
| Alternator | Not available | Not available |
| Starting system | Recoil | Not available |
| Warranty | ||
| Warranty | 3 years | Not available |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 4500 W | Not available |
| Starting watts | 5500 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 | 13.5 h | Not available |
| Run time @25% load | Not available | 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 | true | Not available |
| UPC | Not available | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 4500 | Not available |
| Starting Watts (Gasoline) | 5500 | Not available |
| Runtime @ 50% Load (Gasoline) | 13.5 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R) | Not available |
| Electrical & power | ||
| Frequency | 60 | Not available |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | Not available |
| Engine Displacement | 358 | 301 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 13.5 | Not available |
| Safety & compliance | ||
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Mobility Components | Yes | Not available |
| Included Accessories | Tool kit and wheel kit | Not available |
| Warranty & identification | ||
| Part Number | EF55DZ1 | Not available |
| Additional specs | ||
| Summary | The Yamaha EF5500D is a 5500-watt generator designed for emergency backup, recreational use, and DIY projects. It features a 358cc OHV engine, dual voltage output, and offers up to 9 hours of continuous operation at rated load. | The PREDATOR® 6500 Watt Portable Generator is designed for home backup during emergencies and powering tools at jobsites. It features a 301cc gas engine, GFCI outlets, and CO SECURE® carbon monoxide shutdown for safety. |