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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
  • Pulsar PGX5250BiXCO
  • Model 30761 Q6500 QuietPower
    Model 30761 Q6500 QuietPower

    Briggs & Stratton 5,000W Gas Generator

    5000W
    Running
    66 dB
    Noise
    View details
  • Model PGX5250BiXCO
    Model PGX5250BiXCO

    Pulsar 4,000W Dual-Fuel Generator

    4000W
    Running
    70 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 QuietPowerPulsar PGX5250BiXCO
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterYesYes
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 5000 W
4000 W
Starting watts
Winner: Winner: 6500 W
5250 W
Noise (lower limit)
Winner: Winner: 66 dB
70 dB
Weight
139 lbs
Winner: Winner: 64 lbs
Run time @50% load
Winner: Winner: 10 h
6 h
Run time @25% load
14 h
Not available
Fuel tank
5 gal
2.1 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24.8 x 21.2 x 21.5
17.5 x 14.9 x 19.5
Electrical
Voltage (AC)
120/240V 60 Hz
120
Voltage (DC)
5V
12
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<3% %
Not available
Engine
Engine
Briggs & Stratton OHV 4-stroke 306 cc
223 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
2 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
5000 W
4000 W
Starting watts
6500 W
5250 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
6 h
Run time @25% load
14 h
Not available
PropaneNot availableNot available
Running watts
Not available
3600 W
Starting watts
Not available
4700 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
10 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
true
true
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
814726029852
Core / High-priority specs
Running Watts (Gasoline)
5000
4000
Running Watts (Propane)
Not available
3600
Starting Watts (Gasoline)
6500
5250
Starting Watts (Propane)
Not available
4700
Runtime @ 50% Load (Gasoline)
10
6
Runtime @ 50% Load (Propane)
Not available
10
Runtime @ 25% Load (Gasoline)
14
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
Not available
Engine Displacement
306
223
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
Not available
Runtime @ 50% Load (Gasoline)
10
6
Runtime @ 50% Load (Propane)
Not available
10
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Oil and funnel
Oil, funnel, tool kit, and propane hose
Included Accessories
Oil and funnel
Oil, funnel, tool kit, and propane hose
Warranty & identification
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 Pulsar PGX5250BiXCO 5250W Dual Fuel Inverter Generator is a reliable power solution for emergency power, off-grid needs, RV trips, and jobsite use. With dual fuel capability, it operates on either gasoline or propane, giving you flexibility when fuel availability changes. Its advanced inverter technology delivers clean, stable electricity that’s safe for sensitive electronics such as laptops, mobile devices, and televisions.
  • Most Powerful
    Briggs & Stratton 30761 Q6500 QuietPower
    5000W running
  • Quietest
    Briggs & Stratton 30761 Q6500 QuietPower
    66 dB
  • Longest Runtime
    Briggs & Stratton 30761 Q6500 QuietPower
    10h at 50% load
Where to buy
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Briggs & Stratton 30761 Q6500 QuietPower
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Pulsar PGX5250BiXCO
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