Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.
| Specification | Briggs & Stratton 30742 | Ryobi RY909500 |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | No | No |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | Winner: Winner: 8000 W | Winner: Winner: 8000 W |
| Starting watts | Winner: Winner: 10000 W | 9500 W |
| Noise (lower limit) | 0 dB | Winner: Winner: 85 dB |
| Weight | 246 lbs | Winner: Winner: 198 lbs |
| Run time @50% load | Winner: Winner: 9 h | 7.5 h |
| Run time @25% load | Not available | Not available |
| Fuel tank | 7.5 gal | 6 gal |
| Fuel gauge | Yes | No |
| Approx. dimensions (L × W × H) | 28.4 x 30.5 x 29.1 | 31 x 29 x 24 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240 |
| Voltage (DC) | Not available | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | Not available | <20% % |
| Engine | ||
| Engine | Briggs & Stratton OHV 4-stroke | 500 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric | Recoil |
| Warranty | ||
| Warranty | 3 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 8000 W | 8000 W |
| Starting watts | 10000 W | 9500 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 | 9 h | 7.5 h |
| Run time @25% load | Not available | Not available |
| Other | ||
| Data center | Not available | Not available |
| Indicators | false | false |
| Compliance | EPA | EPA |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | Bonded to frame | Bonded to frame |
| UPC | 11675307424 | 46396058553 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 8000 | 8000 |
| Starting Watts (Gasoline) | 10000 | 9500 |
| Runtime @ 50% Load (Gasoline) | 9 | 7.5 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R) | 2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | Briggs & Stratton OHV 4-stroke | 500 cc OHV 4-stroke |
| Engine Displacement | 420 | 500 |
| Runtime & fuel system | ||
| Runtime @ 50% Load (Gasoline) | 9 | 7.5 |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection, CO monitoring | Low oil and overload protection |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric | Not available |
| Included Accessories | Oil, battery, and wheel kit | Oil and wheel kit |
| Warranty & identification | ||
| Commercial Warranty | 3 | 3 |
| Additional specs | ||
| Summary | The Briggs & Stratton 30742 is an 8,000-watt gasoline generator built for job sites and home backup power. Its 10,000-watt peak output handles motor startup surges, while the dual-voltage 120/240V configuration powers both household circuits and heavy equipment like air compressors or welders. | The Ryobi RY909500 is a 9500W Portable Gas Generator featuring a 500cc OHV engine, delivering 8000 running watts and 9500 starting watts. It offers a 7.5-hour runtime at 50% load, making it ideal for storm backup and jobsite use. |