Compare Generators Side-by-Side

Generator

Generator

6500 W

230 lbs

14 h

19 h

120/240V 60 Hz

120/240V 60 Hz

Briggs & Stratton OHV 4-stroke 306 cc

457 cc OHV 4-stroke, cast iron sleeve

Recoil

Recoil, Electric

2 years

5 years

6500 W

11000 W

14 h

19 h

8550 W

3.5 h

EPA, ANSI/PGMA G300-2023

CARB, EPA

11675307615

811640016722

5000

9000

6500

11000

10

9

14

19

2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)

2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)

60

60

OHV 4-stroke

OHV 4-stroke, cast iron sleeve

cast iron sleeve

10W-30

14

19

3.5

Low oil and overload protection, CO monitoring

Low oil and overload protection, CO monitoring

Wheel kit

Oil and funnel

Funnel, tool kit, propane hose, battery, and wheel kit

2

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 DuroStar DS11000DX is a 9,000-watt dual fuel generator built around a 457cc OHV engine with cast iron sleeves. This wattage places it squarely in the home backup and light job site category. On gasoline, it runs 9 hours at half load and 19 hours at quarter load. On propane, runtime drops to 3.5 hours at half load and 7 hours at quarter load, making gasoline the practical choice for extended outages. The dual fuel option gives users flexibility when propane is more accessible or economical, though gasoline delivers longer operating windows per tank. At 74 dB, the noise level sits in the moderate range for this power class, meaning it will be audible but not prohibitively loud in residential settings. The 8.3-gallon fuel tank combined with the quarter-load runtime means users can stretch a single fill to nearly a full day of light operation.