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

  • A-iPower GXS5000
  • DuroStar DS11000DX
  • Model GXS5000
    Model GXS5000

    A-iPower 4,000W Gas Generator

    4000W
    Running
    68 dB
    Noise
    View details
  • Model DS11000DX
    Model DS11000DX

    DuroStar 9,000W Dual-Fuel Generator

    9000W
    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
SpecificationA-iPower GXS5000DuroStar DS11000DX
General
Product type
Generator
Generator
Fuel
Gasoline
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyYesYes
Running watts
4000 W
Winner: Winner: 9000 W
Starting watts
5000 W
Winner: Winner: 11000 W
Noise (lower limit)
Winner: Winner: 68 dB
74 dB
Weight
Winner: Winner: 111.6 lbs
230 lbs
Run time @50% load
Not available
Winner: Winner: 9 h
Run time @25% load
20 h
19 h
Fuel tank
6.3 gal
8.3 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24 x 23.6 x 24
29 x 30 x 26 in
Electrical
Voltage (AC)
120
120/240V 60 Hz
Voltage (DC)
Not available
Not available
GFCI outletsNoYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
23 %
Not available
Engine
Engine
223 cc OHV 4-stroke, cast iron sleeve.
457 cc OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
3 years
5 years
Power by fuel
GasolineNot availableNot available
Running watts
4000 W
9000 W
Starting watts
5000 W
11000 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
9 h
Run time @25% load
20 h
19 h
PropaneNot availableNot available
Running watts
Not available
8550 W
Starting watts
Not available
10450 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
3.5 h
Run time @25% load
Not available
7 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Not available
UPC
850016881298
811640016722
Core / High-priority specs
Running Watts (Gasoline)
4000
9000
Running Watts (Propane)
Not available
8550
Starting Watts (Gasoline)
5000
11000
Starting Watts (Propane)
Not available
10450
Runtime @ 50% Load (Gasoline)
Not available
9
Runtime @ 50% Load (Propane)
Not available
3.5
Runtime @ 25% Load (Gasoline)
20
19
Runtime @ 25% Load (Propane)
Not available
7
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120V 30A (TT-30R)
2x Duplex 120V 20A (5-20R) GFCI; 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
OHV 4-stroke
OHV 4-stroke, cast iron sleeve
Engine Displacement
223
457
Cylinder Sleeve
cast iron sleeve
cast iron sleeve
Alternator Winding Material
Not available
Copper windings
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
20
19
Runtime @ 50% Load (Gasoline)
Not available
9
Runtime @ 50% Load (Propane)
Not available
3.5
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection, CO monitoring
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Not available
Wheel kit
Included Accessories
Oil, funnel, tool kit, and wheel kit.
Funnel, tool kit, propane hose, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
Not available
Additional specs
Summary
The A-iPower GXS5000 is a 4000-watt gasoline generator built for homeowners and RV users who need reliable backup power without excessive noise. With 5000 watts of starting power, it can kick-start larger appliances like air conditioners and well pumps, then sustain 4000 watts of continuous output for essential devices. This wattage class handles a full home backup scenario or powers a job site with moderate tool use, but not heavy industrial equipment or multiple high-draw appliances simultaneously. At 68 decibels, the GXS5000 runs quieter than most generators in its class. The 6.3-gallon fuel tank delivers 20 hours of runtime at 25 percent load, meaning light-duty use like charging devices or running a refrigerator stretches a full tank across an entire day. The recoil start system and included wheel kit make this a grab-and-go option for users who value simplicity over push-button convenience.
The DuroStar DS11000DX is a 9,000-watt dual fuel generator built around a 457cc OHV engine with cast iron sleeves. This wattage places it squarely in the home backup and light job site category. On gasoline, it runs 9 hours at half load and 19 hours at quarter load. On propane, runtime drops to 3.5 hours at half load and 7 hours at quarter load, making gasoline the practical choice for extended outages. The dual fuel option gives users flexibility when propane is more accessible or economical, though gasoline delivers longer operating windows per tank. At 74 dB, the noise level sits in the moderate range for this power class, meaning it will be audible but not prohibitively loud in residential settings. The 8.3-gallon fuel tank combined with the quarter-load runtime means users can stretch a single fill to nearly a full day of light operation.
  • Most Powerful
    DuroStar DS11000DX
    9000W running
  • Quietest
    A-iPower GXS5000
    68 dB
  • Longest Runtime
    DuroStar DS11000DX
    9h at 50% load
Where to buy
Prices can change. We update these automatically.
A-iPower GXS5000
Store links
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DuroStar DS11000DX
Store links
No links yet.
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