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- Briggs & Stratton 30761 Q6500 QuietPower
- Yamaha EF6300iSDE
Model 30761 Q6500 QuietPowerBriggs & Stratton 5,000W Gas Generator
View details5000WRunning66 dBNoise
Quick charts
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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 | Briggs & Stratton 30761 Q6500 QuietPower | Yamaha EF6300iSDE |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Gasoline | Gasoline |
| Inverter | Yes | Yes |
| Parallel capable | No | No |
| RV ready | No | No |
| Running watts | 5000 W | Winner: Winner: 5500 W |
| Starting watts | Winner: Winner: 6500 W | 6300 W |
| Noise (lower limit) | 66 dB | Winner: Winner: 58 dB |
| Weight | Winner: Winner: 139 lbs | 216 lbs |
| Run time @50% load | Winner: Winner: 10 h | 5 h |
| Run time @25% load | 14 h | 13.3 h |
| Fuel tank | 5 gal | 4.5 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 24.8 x 21.2 x 21.5 | 30.7 x 24.3 x 27.2 |
| Electrical | ||
| Voltage (AC) | 120/240V 60 Hz | 120/240 |
| Voltage (DC) | 5V | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | No |
| Automatic Voltage Regulation | Yes | Yes |
| THD | <3% % | <4.0% % |
| Engine | ||
| Engine | Briggs & Stratton OHV 4-stroke 306 cc | 357 cc Yamaha MZ360 OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil | Electric |
| Warranty | ||
| Warranty | 2 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 5000 W | 5500 W |
| Starting watts | 6500 W | 6300 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 | 10 h | Not available |
| Run time @25% load | 14 h | 13.3 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 | Bonded to frame | true |
| UPC | 11675307615 | 765053849371 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 5000 | 5500 |
| Starting Watts (Gasoline) | 6500 | 6300 |
| Runtime @ 50% Load (Gasoline) | 10 | Not available |
| Runtime @ 25% Load (Gasoline) | 14 | 13.3 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R) | 1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | OHV 4-stroke | OHV 4-stroke |
| Engine Displacement | 306 | 357 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 14 | 13.3 |
| Runtime @ 50% Load (Gasoline) | 10 | Not available |
| 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 | Oil and funnel | Not available |
| Included Accessories | Oil and funnel | Battery |
| Warranty & identification | ||
| Commercial Warranty | 2 | Not available |
| Part Number | 30761 | EF63ISDEX |
| Additional specs | ||
| Summary | The Briggs & Stratton 30761 Q6500 QuietPower is a 5,000-watt inverter generator built for homeowners and outdoor users who need extended runtime without excessive noise. With 6,500 peak watts, this unit can start larger appliances like refrigerators and air conditioning units, then sustain 5,000 watts of continuous power for essential household devices, tools, and camping equipment. The inverter technology keeps total harmonic distortion below 3%, meaning laptops, phones, and televisions stay protected from power surges that would damage their circuits.
At 66 decibels, the Q6500 operates quietly enough for residential neighborhoods and campgrounds where noise restrictions matter. The 5-gallon fuel tank stretches to 14 hours of runtime at 25% load, reducing refueling interruptions during extended outages or weekend trips. This combination positions the unit as a middle-ground option: more power than portable inverters, quieter than traditional open-frame generators, and practical for users who prioritize both output and operational peace. | The Yamaha EF6300iSDE is a powerful and advanced inverter generator, ideal for emergency backup, recreational use, and DIY projects. It offers a maximum output of 6300 watts and operates quietly between 58 to 64 decibels. |
- Most PowerfulYamaha EF6300iSDE5500W running
- QuietestYamaha EF6300iSDE58 dB
- Longest RuntimeBriggs & Stratton 30761 Q6500 QuietPower10h at 50% load
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Briggs & Stratton 30761 Q6500 QuietPower
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Yamaha EF6300iSDE
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