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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
  • Powermate PM3800
  • Model 30761 Q6500 QuietPower
    Model 30761 Q6500 QuietPower

    Briggs & Stratton 5,000W Gas Generator

    5000W
    Running
    66 dB
    Noise
    View details
  • Model PM3800
    Model PM3800

    Powermate 3,000W Gas Generator

    3000W
    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 QuietPowerPowermate PM3800
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 5000 W
3000 W
Starting watts
Winner: Winner: 6500 W
3800 W
Noise (lower limit)
Winner: Winner: 66 dB
0 dB
Weight
139 lbs
Winner: Winner: 96 lbs
Run time @50% load
10 h
Winner: Winner: 14 h
Run time @25% load
14 h
21 h
Fuel tank
5 gal
5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24.8 x 21.2 x 21.5
23.8 x 18.1 x 19.1
Electrical
Voltage (AC)
120/240V 60 Hz
120
Voltage (DC)
5V
Not available
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesNo
THD
<3% %
Not available
Engine
Engine
Briggs & Stratton OHV 4-stroke 306 cc
212 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
3000 W
Starting watts
6500 W
3800 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
14 h
Run time @25% load
14 h
21 h
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
EPA, ANSI/PGMA G300-2023
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Bonded to frame
Floating
UPC
11675307615
696471080339
Core / High-priority specs
Running Watts (Gasoline)
5000
3000
Starting Watts (Gasoline)
6500
3800
Runtime @ 50% Load (Gasoline)
10
14
Runtime @ 25% Load (Gasoline)
14
21
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
212 cc OHV 4-stroke
Engine Displacement
306
212
Engine Oil Type
Not available
10W-30 / SAE 30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
21
Runtime @ 50% Load (Gasoline)
10
14
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Oil and funnel
Oil
Included Accessories
Oil and funnel
Oil
Warranty & identification
Commercial Warranty
2
3
Part Number
30761
P0081100
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 Powermate PM3800 is a durable and compact portable generator, ideal for home use and DIY projects. It features a Generac 212cc OHV engine, delivering 3800 starting watts and 3000 running watts. The generator offers a 21-hour runtime at 25% load, facilitated by a 5-gallon fuel tank. Its POWERDIAL™ simplifies the startup process with an integrated off/run/choke knob.
  • Most Powerful
    Briggs & Stratton 30761 Q6500 QuietPower
    5000W running
  • Quietest
    Briggs & Stratton 30761 Q6500 QuietPower
    66 dB
  • Longest Runtime
    Powermate PM3800
    14h at 50% load
Where to buy
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Briggs & Stratton 30761 Q6500 QuietPower
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Powermate PM3800
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