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Compare Generators Side-by-Side

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

  • DuroStar DS11000DX
  • WEN TF1300iX
  • Model DS11000DX
    Model DS11000DX

    DuroStar 9,000W Dual-Fuel Generator

    9000W
    Running
    74 dB
    Noise
    View details
  • Model TF1300iX
    Model TF1300iX

    WEN 10,500W Tri-Fuel Generator

    10500W
    Running
    64 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 DS11000DXWEN TF1300iX
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Tri-Fuel
InverterNoYes
Parallel capableNoNo
RV readyYesYes
Running watts
9000 W
Winner: Winner: 10500 W
Starting watts
11000 W
Winner: Winner: 13000 W
Noise (lower limit)
74 dB
Winner: Winner: 64 dB
Weight
Winner: Winner: 230 lbs
246.9 lbs
Run time @50% load
Winner: Winner: 9 h
7.7 h
Run time @25% load
19 h
Not available
Fuel tank
8.3 gal
7.13 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29 x 30 x 26 in
32.3 x 24.8 x 28.8
Electrical
Voltage (AC)
120/240V 60 Hz
120/240
Voltage (DC)
Not available
12
GFCI outletsYesNo
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
Not available
1.2 %
Engine
Engine
457 cc OHV 4-stroke, cast iron sleeve
550 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric
Warranty
Warranty
5 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
9000 W
10500 W
Starting watts
11000 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
9 h
7.7 h
Run time @25% load
19 h
Not available
PropaneNot availableNot available
Running watts
8550 W
9000 W
Starting watts
10450 W
11250 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
3.5 h
Not available
Run time @25% load
7 h
Not available
Natural gasNot availableNot available
Running watts
Not available
8000 W
Starting watts
Not available
10000 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
811640016722
44459130000
Core / High-priority specs
Running Watts (Gasoline)
9000
10500
Running Watts (Propane)
8550
9000
Running Watts (Natural Gas)
Not available
8000
Starting Watts (Gasoline)
11000
13000
Starting Watts (Propane)
10450
11250
Starting Watts (Natural Gas)
Not available
10000
Runtime @ 50% Load (Gasoline)
9
7.7
Runtime @ 50% Load (Propane)
3.5
Not available
Runtime @ 25% Load (Gasoline)
19
Not available
Runtime @ 25% Load (Propane)
7
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) 1x 120/240V 50A (10-50R) 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke, cast iron sleeve
550 cc OHV 4-stroke
Engine Displacement
457
550
Cylinder Sleeve
cast iron sleeve
Not available
Alternator Winding Material
Copper windings
Not available
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
19
Not available
Runtime @ 50% Load (Gasoline)
9
7.7
Runtime @ 50% Load (Propane)
3.5
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Wheel kit
Not available
Included Accessories
Funnel, tool kit, propane hose, battery, and wheel kit
Funnel, tool kit, propane hose, and battery
Warranty & identification
Residential Warranty
Not available
3
Commercial Warranty
Not available
3
Additional specs
Summary
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.
The WEN TF1300iX is a 10,500-watt tri-fuel inverter generator built around a 550 cc OHV 4-stroke engine. At this output level, it moves well beyond powering a few household circuits and enters whole-house backup and heavy job-site territory. It can comfortably run multiple high-demand appliances simultaneously, including central air conditioning units and full kitchen setups. The tri-fuel design adds genuine operational flexibility, letting owners switch between gasoline, propane, and natural gas depending on availability or cost during an outage.
  • Most Powerful
    WEN TF1300iX
    10500W running
  • Quietest
    WEN TF1300iX
    64 dB
  • Longest Runtime
    DuroStar DS11000DX
    9h at 50% load
Where to buy
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DuroStar DS11000DX
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WEN TF1300iX
Store links
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