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WEN DF1100X vs DuroStar DS11000DX

WEN DF1100X vs DuroStar DS11000DX

Comparing the WEN DF1100X and DuroStar DS11000DX dual-fuel generators. Both deliver 11000 starting watts, but differ in runtime, noise, and warranty.

  • DuroStar DS11000DX
  • WEN DF1100X

Comparison Overview

AJ Quick
Analysis by AJ Quick
Mechanical engineer and founder of RightGenerator

Both the WEN DF1100X and DuroStar DS11000DX are conventional dual-fuel generators sharing the same 11,000 starting watts, making them direct competitors for heavy-duty home backup and job site power. The most striking difference is noise: the DuroStar DS11000DX operates at 74 dB, while the WEN DF1100X is noticeably louder at 81 dB. That 7 dB gap is significant in real-world terms, roughly translating to the DuroStar sounding about half as loud to the human ear.

Running watts also favor the DuroStar, which delivers 9,000 running watts compared to the WEN's 8,300 running watts. That extra 700 watts of continuous power gives the DS11000DX more headroom for running multiple appliances simultaneously. The DuroStar also edges ahead in runtime, lasting about 9 hours at 50% load (and an impressive 19 hours at 25% load) versus the WEN's 8.5 hours at 50% load. Warranty coverage is another major differentiator: DuroStar backs its unit with a 5-year warranty, while WEN offers just 2 years.

The WEN DF1100X does have one clear advantage: weight. At 213.8 lbs, it's roughly 16 pounds lighter than the DuroStar's 230 lbs, which can matter when loading and unloading from a truck bed. Buyers who prioritize long-term peace of mind and quieter operation may lean toward the DuroStar, while those looking for a lighter, potentially more affordable option might prefer the WEN.

Key takeaways

  • Both generators deliver 11,000 starting watts with dual-fuel flexibility on gasoline or propane
  • DuroStar DS11000DX runs at 74 dB, significantly quieter than the WEN's 81 dB output
  • DuroStar provides 9,000 running watts versus the WEN's 8,300 running watts
  • DuroStar DS11000DX offers an impressive 19 hours of runtime at 25% load
  • WEN DF1100X weighs 213.8 lbs, about 16 pounds lighter than the DuroStar's 230 lbs
  • DuroStar includes a 5-year warranty compared to WEN's 2-year coverage

Best use cases

Choose the WEN DF1100X if you want a capable dual-fuel generator that's a bit easier to move around. At 213.8 lbs, it's the lighter of the two, which is a practical benefit if you're frequently transporting it between locations or lifting it into a vehicle. Its 8,300 running watts and 11,000 starting watts are still plenty for powering essential home circuits during an outage, running power tools on a job site, or supporting a food truck setup. If you're comfortable with a shorter warranty period and don't mind the higher noise output, the DF1100X gets the job done at this power tier. Just keep in mind that at 81 dB, it's loud enough that neighbors will definitely notice it running, so it's less ideal for residential areas with homes close together.

Choose the DuroStar DS11000DX if runtime, noise, and warranty matter most to you. The 19 hours of runtime at 25% load is outstanding for extended power outages, meaning you can run essential appliances overnight without refueling. The 9,000 running watts give you more continuous capacity, which is helpful if you're powering a well pump, refrigerator, window AC unit, and lights all at once. At 74 dB, it's meaningfully quieter than the WEN, making it a better fit for suburban neighborhoods or anywhere noise is a concern. The 5-year warranty is a standout feature that provides significantly more long-term protection. The tradeoff is the extra weight at 230 lbs, so plan on having a second person or a wheeled kit to help with transport. For whole-home backup duty where the generator stays mostly in one spot, that weight penalty is easy to overlook.

Verdict & recommendation

If your priority is long runtime, lower noise, and the confidence of a longer warranty, the DuroStar DS11000DX is the stronger pick. Its extra 700 running watts and 19-hour runtime at quarter load make it especially well suited for extended home backup situations where you need reliable, sustained power. The quieter operation is a genuine quality-of-life improvement for you and anyone nearby.

If you value a lighter unit that's easier to transport and you're less concerned about noise levels or warranty length, the WEN DF1100X remains a solid performer with the same peak starting power. Both generators offer the flexibility of dual-fuel operation, so you can run gasoline or propane depending on what's available. For most home backup buyers, the DuroStar's combination of runtime, noise, and warranty coverage will be hard to pass up, but the WEN is worth considering if portability and upfront cost are your deciding factors.

Last updated March 28, 2026

  • Model DS11000DX
    Model DS11000DX

    DuroStar 9,000W Dual-Fuel Generator

    9000W
    Running
    74 dB
    Noise
    View details
  • Model DF1100X
    Model DF1100X

    WEN 8,300W Dual-Fuel Generator

    8300W
    Running
    81 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 DF1100X
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
Winner: Winner: 9000 W
8300 W
Starting watts
Winner: Winner: 11000 W
Winner: Winner: 11000 W
Noise (lower limit)
Winner: Winner: 74 dB
81 dB
Weight
230 lbs
Winner: Winner: 213.8 lbs
Run time @50% load
Winner: Winner: 9 h
8.5 h
Run time @25% load
19 h
Not available—
Fuel tank
8.3 gal
6.6 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29 x 30 x 26 in
27.3 x 20.6 x 21.9 in
Electrical
Voltage (AC)
120/240V 60 Hz
120/240V
Voltage (DC)
Not available—
12
GFCI outletsYesNo
Covered outletsNoNo
Automatic Voltage RegulationYesYes
THD
Not available—
15 %
Engine
Engine
457 cc OHV 4-stroke, cast iron sleeve
457 cc OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric
Not available—
Warranty
Warranty
5 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
9000 W
8300 W
Starting watts
11000 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
9 h
8.5 h
Run time @25% load
19 h
Not available—
PropaneNot available—Not available—
Running watts
8550 W
7500 W
Starting watts
10450 W
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
3.5 h
3 h
Run time @25% load
7 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
false
Compliance
CARB, EPA
EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Not available—
Not available—
UPC
811640016722
44459911005
Core / High-priority specs
Running Watts (Gasoline)
9000
8300
Running Watts (Propane)
8550
7500
Starting Watts (Gasoline)
11000
11000
Starting Watts (Propane)
10450
Not available—
Runtime @ 50% Load (Gasoline)
9
8.5
Runtime @ 50% Load (Propane)
3.5
3
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)
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke, cast iron sleeve
OHV 4-stroke
Engine Displacement
457
457
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
8.5
Runtime @ 50% Load (Propane)
3.5
3
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Not available—
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Wheel kit
Not available—
Included Accessories
Funnel, tool kit, propane hose, battery, and wheel kit
Oil, propane hose, battery, and wheel kit
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 DF1100X is an 8,300-watt dual-fuel generator that bridges gasoline and propane operation without sacrificing peak output. Its 11,000 starting watts handle equipment startup surges, making it suitable for jobsites, emergency backup, and extended outdoor work where fuel choice matters.
  • Most Powerful
    DuroStar DS11000DX
    9000W running
  • Quietest
    DuroStar DS11000DX
    74 dB
  • Longest Runtime
    DuroStar DS11000DX
    9h at 50% load
Where to buy
Prices can change. We update these automatically.
DuroStar DS11000DX
Store links
No links yet.
WEN DF1100X
Store links
No links yet.
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