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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 30728 Storm Responder
  • DuroStar DS13000X
  • Model 30728 Storm Responder
    Model 30728 Storm Responder

    Briggs & Stratton 6,250W Gas Generator

    6250W
    Running
    0 dB
    Noise
    View details
  • Model DS13000X
    Model DS13000X

    DuroStar 10,500W Gas 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 30728 Storm ResponderDuroStar DS13000X
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
6250 W
Winner: Winner: 10500 W
Starting watts
8500 W
Winner: Winner: 13000 W
Noise (lower limit)
0 dB
Winner: Winner: 74 dB
Weight
Winner: Winner: 210 lbs
240 lbs
Run time @50% load
Winner: Winner: 11 h
8.5 h
Run time @25% load
Not available
17 h
Fuel tank
7.5 gal
8.3 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
28 x 27 x 28
30 x 29 x 26
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available
12 %
Engine
Engine
Briggs & Stratton®
500 cc OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
2 years
5 years
Power by fuel
GasolineNot availableNot available
Running watts
6250 W
10500 W
Starting watts
8500 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
11 h
8.5 h
Run time @25% load
Not available
17 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
ANSI/PGMA G300-2018
Carb, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Not available
UPC
11675307288
811640016739
Core / High-priority specs
Running Watts (Gasoline)
6250
10500
Starting Watts (Gasoline)
8500
13000
Runtime @ 50% Load (Gasoline)
11
8.5
Runtime @ 25% Load (Gasoline)
Not available
17
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
2x 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
1850 Series™ OHV Engine
500 cc OHV 4-stroke, cast iron sleeve
Engine Displacement
420
500
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
17
Runtime @ 50% Load (Gasoline)
11
8.5
Controls & display
Display Type
StatStation™ Digital Display
Not available
Idle Control System
No
Not available
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
10" Never Go Flat Wheels
Not available
Starting Components
Recoil
Not available
Documentation
operator's manual or illustrated parts list
Not available
Included Accessories
Extension cord and wheel kit
Funnel, tool kit, battery, and wheel kit
Warranty & identification
Residential Warranty
2
Not available
Commercial Warranty
0.25
Not available
Part Number
030728
Not available
Additional specs
Summary
The Briggs & Stratton 30728 Storm Responder is a 6250-watt gasoline generator built for homeowners and job sites that need sustained power for essential appliances and tools. With 8500 peak watts, it can start large loads like air compressors and refrigerators that draw high inrush current. The 7.5-gallon fuel tank delivers 11 hours of runtime at half load, meaning users can run the unit through a full workday or overnight without refueling. This is a stationary-leaning portable unit, not a grab-and-go machine.
The DuroStar DS13000X is a 10,500-watt gasoline generator built to handle whole-home backup power and job site demands. With 13,000 peak watts and a 500cc OHV engine, this unit can run a full refrigerator, multiple air conditioning units, and power tools simultaneously. The 8.3-gallon fuel tank stretches runtime to 17 hours at 25% load, meaning users can maintain power through an entire night without refueling. At 50% load, the 8.5-hour runtime covers a typical workday, making this suitable for both emergency preparedness and extended outdoor use. The DS13000X includes both recoil and electric start, so users avoid the frustration of pulling a cord in cold weather or after long storage. A 5-year warranty backs the unit, which is 60% longer than the 3.1-year industry average for this wattage class. The combination of power output, fuel capacity, and starting convenience positions this generator as a practical choice for homeowners and contractors who need reliable, extended-runtime power without the complexity of inverter technology.
  • Most Powerful
    DuroStar DS13000X
    10500W running
  • Quietest
    DuroStar DS13000X
    74 dB
  • Longest Runtime
    Briggs & Stratton 30728 Storm Responder
    11h at 50% load
Where to buy
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Briggs & Stratton 30728 Storm Responder
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DuroStar DS13000X
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