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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • DuroStar DS13000X
  • Powerhorse s12500t
  • Model DS13000X
    Model DS13000X

    DuroStar 10,500W Gas Generator

    10500W
    Running
    74 dB
    Noise
    View details
  • Model s12500t
    Model s12500t

    Powerhorse 9,500W Gas Generator

    9500W
    Running
    97 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
SpecificationDuroStar DS13000XPowerhorse s12500t
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
Winner: Winner: 10500 W
9500 W
Starting watts
Winner: Winner: 13000 W
12500 W
Noise (lower limit)
Winner: Winner: 74 dB
97 dB
Weight
240 lbs
Winner: Winner: 235 lbs
Run time @50% load
8.5 h
Winner: Winner: 9 h
Run time @25% load
17 h
Not available
Fuel tank
8.3 gal
6.6 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
30 x 29 x 26
29.3 x 26.7 x 26.4
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available
5
GFCI outletsYesYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
12 %
<23% %
Engine
Engine
500 cc OHV 4-stroke, cast iron sleeve
457 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric, Remote
Warranty
Warranty
5 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
10500 W
9500 W
Starting watts
13000 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
8.5 h
9 h
Run time @25% load
17 h
Not available
Natural gasNot availableNot available
Running watts
Not available
7125 W
Starting watts
Not available
9375 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
9375 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
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
Carb, EPA
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
811640016739
840321764034
Core / High-priority specs
Running Watts (Gasoline)
10500
9500
Running Watts (Propane)
Not available
8550
Running Watts (Natural Gas)
Not available
7125
Starting Watts (Gasoline)
13000
12500
Starting Watts (Propane)
Not available
9375
Starting Watts (Natural Gas)
Not available
9375
Runtime @ 50% Load (Gasoline)
8.5
9
Runtime @ 25% Load (Gasoline)
17
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
2x 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
500 cc OHV 4-stroke, cast iron sleeve
OHV 4-stroke
Engine Displacement
500
457
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
17
Not available
Runtime @ 50% Load (Gasoline)
8.5
9
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Not available
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Not available
Yes
Starting Components
Not available
Recoil, Electric, Remote
Fuel Connection Components
Not available
natural gas hose with NPT adapter, propane hose
Included Accessories
Funnel, tool kit, battery, and wheel kit
Funnel, tool kit, key fob, natural gas hose with NPT adapter, propane hose, and wheel kit
Warranty & identification
Part Number
Not available
6075695
Additional specs
Summary
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.
The Powerhorse s12500t is a versatile 12,500-watt tri-fuel portable generator equipped with electric start and CO shutdown features, suitable for various power needs.
  • Most Powerful
    DuroStar DS13000X
    10500W running
  • Quietest
    DuroStar DS13000X
    74 dB
  • Longest Runtime
    Powerhorse s12500t
    9h at 50% load
Where to buy
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DuroStar DS13000X
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Powerhorse s12500t
Store links
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