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.
- Ryobi RYi6522
- Predator 72937
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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 | Ryobi RYi6522 | Predator 72937 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | No | No |
| RV ready | Yes | No |
| Running watts | 5500 W | Winner: Winner: 7000 W |
| Starting watts | 6500 W | Winner: Winner: 8750 W |
| Noise (lower limit) | Winner: Winner: 72.3 dB | 75.1 dB |
| Weight | Winner: Winner: 118 lbs | 151 lbs |
| Run time @50% load | Winner: Winner: 8.5 h | Not available |
| Run time @25% load | Not available | 15.1 h |
| Fuel tank | 4 gal | Not available |
| Fuel gauge | No | No |
| Approx. dimensions (L × W × H) | 24.4 x 20.9 x 22.5 | 42 x 26.75 x 27.5 |
| Electrical | ||
| Voltage (AC) | 120 | 120/240V |
| Voltage (DC) | 5 | Not available |
| GFCI outlets | Yes | No |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | No |
| THD | 5 % | Not available |
| Engine | ||
| Engine | 298 cc 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 | 5500 W | Not available |
| Starting watts | 6500 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 | 8.5 h | Not available |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | Not available |
| Compliance | EPA | Not available |
| Security | Not available | Not available |
| Spark arrestor | Yes | No |
| Neutral | true | Not available |
| UPC | 46396052193 | Not available |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 5500 | Not available |
| Starting Watts (Gasoline) | 6500 | Not available |
| Runtime @ 50% Load (Gasoline) | 8.5 | Not available |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 30A (L14-30R) | Not available |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | Not available |
| Engine Displacement | 298 | 420 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 8.5 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Not available |
| Low Oil Protection | No | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Included Accessories | Oil, tool kit, and wheel kit | Not available |
| Warranty & identification | ||
| Commercial Warranty | 3 | Not available |
| Additional specs | ||
| Summary | The Ryobi RYi6522 is a 6500-watt open frame inverter generator designed to provide reliable power for various applications, including RVs, home backup, and job sites. It features a 298cc OHV engine delivering 6500 starting watts and 5500 running watts, CO Detect carbon monoxide shutdown sensor for added safety, and Pure Sine Wave Technology to safely power sensitive electronics. | The PREDATOR® 8750 Watt Open-Frame Inverter Generator offers 8750 starting watts and 7000 running watts, featuring inverter technology for clean power suitable for sensitive electronics. It includes CO SECURE® carbon monoxide shutdown, GFCI outlets, and provides over 15 hours of runtime per fill-up, making it ideal for jobsites, home backup, and emergency use. |
- Most PowerfulPredator 729377000W running
- QuietestRyobi RYi652272.3 dB
- Longest RuntimeRyobi RYi65228.5h at 50% load
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Ryobi RYi6522
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Predator 72937
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