Skip to content

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.

  • Briggs & Stratton 30761 Q6500 QuietPower
  • Generac #8063 GP9500ETF
  • Model 30761 Q6500 QuietPower
    Model 30761 Q6500 QuietPower

    Briggs & Stratton 5,000W Gas Generator

    5000W
    Running
    66 dB
    Noise
    View details
  • Model #8063 GP9500ETF
    Model #8063 GP9500ETF

    Generac 9,500W Tri-Fuel Generator

    9500W
    Running
    0 dB
    Noise
    View details
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).
Generator Specifications Comparison
SpecificationBriggs & Stratton 30761 Q6500 QuietPowerGenerac #8063 GP9500ETF
General
Product type
Generator
Generator
Fuel
Gasoline
Tri-Fuel
InverterYesNo
Parallel capableNoNo
RV readyNoYes
Running watts
5000 W
Winner: Winner: 9500 W
Starting watts
6500 W
Winner: Winner: 12500 W
Noise (lower limit)
Winner: Winner: 66 dB
0 dB
Weight
Winner: Winner: 139 lbs
219 lbs
Run time @50% load
Winner: Winner: 10 h
9.5 h
Run time @25% load
14 h
14 h
Fuel tank
5 gal
7.5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24.8 x 21.2 x 21.5
27.5 x 27.1 x 27.6
Electrical
Voltage (AC)
120/240V 60 Hz
120/240
Voltage (DC)
5V
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<3% %
Not available
Engine
Engine
Briggs & Stratton OHV 4-stroke 306 cc
OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
2 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
5000 W
9500 W
Starting watts
6500 W
12500 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
9.5 h
Run time @25% load
14 h
14 h
Natural gasNot availableNot available
Running watts
Not available
7000 W
Starting watts
Not available
9000 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
Not available
Not available
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
Not available
8550 W
Starting watts
Not available
11250 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
Not available
4.5 h
Run time @25% load
Not available
6 h
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Bonded to frame
true
UPC
11675307615
696471104523
Core / High-priority specs
Running Watts (Gasoline)
5000
9500
Running Watts (Propane)
Not available
8550
Running Watts (Natural Gas)
Not available
7000
Starting Watts (Gasoline)
6500
12500
Starting Watts (Propane)
Not available
11250
Starting Watts (Natural Gas)
Not available
9000
Runtime @ 50% Load (Gasoline)
10
9.5
Runtime @ 50% Load (Propane)
Not available
4.5
Runtime @ 25% Load (Gasoline)
14
14
Runtime @ 25% Load (Propane)
Not available
6
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
306
400
Engine Oil Type
Not available
10W-30 / SAE 30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
14
Runtime @ 50% Load (Gasoline)
10
9.5
Runtime @ 50% Load (Propane)
Not available
4.5
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Not available
Yes
Starting Components
Oil and funnel
Recoil, Electric
Fuel Connection Components
Not available
propane hose
Included Accessories
Oil and funnel
Oil, propane hose, battery, and wheel kit
Warranty & identification
Residential Warranty
Not available
3
Commercial Warranty
2
Not available
Part Number
30761
Not available
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 Generac GP9500ETF is a 9,500-watt tri-fuel generator built for whole-house backup and job site power. Its ability to run on gasoline, propane, or natural gas means users gain real fuel flexibility when one source becomes scarce during extended outages. The 12,500 starting watts provide enough surge capacity to handle motor-driven loads like well pumps and air handler fans without tripping breakers. This is a stationary workhorse, not a portable unit.
  • Most Powerful
    Generac #8063 GP9500ETF
    9500W running
  • Quietest
    Briggs & Stratton 30761 Q6500 QuietPower
    66 dB
  • Longest Runtime
    Briggs & Stratton 30761 Q6500 QuietPower
    10h at 50% load
Where to buy
Prices can change. We update these automatically.
Briggs & Stratton 30761 Q6500 QuietPower
Store links
No links yet.
Generac #8063 GP9500ETF
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.