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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 30814 P4500 PowerSmart
  • DuroMax XP13000EH
  • Model 30814 P4500 PowerSmart
    Model 30814 P4500 PowerSmart

    Briggs & Stratton 3,700W Gas Generator

    3700W
    Running
    60 dB
    Noise
    View details
  • Model XP13000EH
    Model XP13000EH

    DuroMax 10,500W Dual-Fuel Generator

    10500W
    Running
    74 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 30814 P4500 PowerSmartDuroMax XP13000EH
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterYesNo
Parallel capableNoNo
RV readyNoYes
Running watts
3700 W
Winner: Winner: 10500 W
Starting watts
4500 W
Winner: Winner: 13000 W
Noise (lower limit)
Winner: Winner: 60 dB
74 dB
Weight
Winner: Winner: 104 lbs
234 lbs
Run time @50% load
Not available
Winner: Winner: 8 h
Run time @25% load
16 h
17 h
Fuel tank
3.5 gal
8.3 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24.5 x 17.6 x 20.36
29 x 30 x 26
Electrical
Voltage (AC)
120
120/240V 60 Hz
Voltage (DC)
5
12
GFCI outletsNoYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
3 %
12 %
Engine
Engine
Briggs & Stratton OHV 4-stroke 224 cc
500 cc DuroMax OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3700 W
10500 W
Starting watts
4500 W
13000 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
8 h
Run time @25% load
16 h
17 h
PropaneNot availableNot available
Running watts
Not available
9975 W
Starting watts
Not available
Not available
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
3 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Not available
UPC
11675308148
811640015725
Core / High-priority specs
Running Watts (Gasoline)
3700
10500
Running Watts (Propane)
Not available
9975
Starting Watts (Gasoline)
4500
13000
Runtime @ 50% Load (Gasoline)
Not available
8
Runtime @ 50% Load (Propane)
Not available
3
Runtime @ 25% Load (Gasoline)
16
17
AC Outlet Types
2x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Briggs & Stratton OHV 4-stroke
OHV 4-stroke, cast iron sleeve
Engine Displacement
224
500
Cylinder Sleeve
Not available
cast iron sleeve
Alternator Winding Material
Not available
Copper
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
16
17
Runtime @ 50% Load (Gasoline)
Not available
8
Runtime @ 50% Load (Propane)
Not available
3
Controls & display
Display Type
Digital
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Not available
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Mobility Components
Not available
Yes
Starting Components
Recoil, Electric, Remote
Not available
Included Accessories
Oil, funnel, key fob, and battery
Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
3
Part Number
30814
Not available
Additional specs
Summary
The Briggs & Stratton 30814 P4500 PowerSmart is a 3700-watt inverter generator built for users who need reliable backup power without the noise of traditional models. At 60 decibels, it runs quiet enough for residential neighborhoods and campgrounds, making it suitable for homeowners managing outages, campers extending trips, and outdoor enthusiasts who cannot tolerate generator noise. The 4500-watt peak output handles startup surges for larger appliances like air conditioning units or power tools, while the 3700-watt running capacity sustains continuous operation. With a 3.5-gallon fuel tank and 16-hour runtime at 25% load, users can power essential devices through a full night or longer without refueling. The inverter technology produces only 3% THD, which means laptops, smartphones, and other sensitive electronics charge safely without risk of voltage spikes or damage.
The DuroMax XP13000EH is a 10,500-watt dual-fuel generator built to handle serious backup power demands. Running on gasoline or propane, it delivers enough sustained output to power multiple household appliances simultaneously, including refrigerators, water heaters, and air conditioning units during extended outages. The 13,000-watt peak capacity means it can start high-inrush devices like compressors and pumps without strain. This wattage class sits at the threshold between portable and semi-stationary power, making it suitable for homeowners who need whole-home backup rather than just essential circuits.
  • Most Powerful
    DuroMax XP13000EH
    10500W running
  • Quietest
    Briggs & Stratton 30814 P4500 PowerSmart
    60 dB
  • Longest Runtime
    DuroMax XP13000EH
    8h at 50% load
Where to buy
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Briggs & Stratton 30814 P4500 PowerSmart
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DuroMax XP13000EH
Store links
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