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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.

  • Sportsman GEN4000DF-SS
  • Westinghouse WGen3600DF
  • Model GEN4000DF-SS
    Model GEN4000DF-SS

    Sportsman 3,500W Dual-Fuel Generator

    3500W
    Running
    69 dB
    Noise
    View details
  • Model WGen3600DF
    Model WGen3600DF

    Westinghouse 3,600W Dual-Fuel Generator

    3600W
    Running
    68 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
SpecificationSportsman GEN4000DF-SSWestinghouse WGen3600DF
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyYesYes
Running watts
3500 W
Winner: Winner: 3600 W
Starting watts
4000 W
Winner: Winner: 4650 W
Noise (lower limit)
69 dB
Winner: Winner: 68 dB
Weight
Winner: Winner: 91 lbs
120 lbs
Run time @50% load
Winner: Winner: 10 h
Not available—
Run time @25% load
Not available—
14 h
Fuel tank
3.9 gal
4 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
23 x 19.5 x 17.5
23.3 x 22.8 x 21.3
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
Not available—
GFCI outletsNoNo
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
Not available—
23 %
Engine
Engine
212 cc OHV 4-stroke
Westinghouse OHV 4-stroke, cast iron sleeve.
Alternator
Not available—
Not available—
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
1 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
3500 W
3600 W
Starting watts
4000 W
4650 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
10 h
10.5 h
Run time @25% load
Not available—
14 h
PropaneNot available—Not available—
Running watts
3100 W
3240 W
Starting watts
3600 W
4180 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
12 h
14 h
Run time @25% load
Not available—
16.5 h
Other
Data center
Not available—
Not available—
Indicators
false
false
Compliance
EPA
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Not available—
Not available—
UPC
27077082357
855464003254
Core / High-priority specs
Running Watts (Gasoline)
3500
3600
Running Watts (Propane)
3100
3240
Starting Watts (Gasoline)
4000
4650
Starting Watts (Propane)
3600
4180
Runtime @ 50% Load (Gasoline)
10
10.5
Runtime @ 50% Load (Propane)
12
14
Runtime @ 25% Load (Gasoline)
Not available—
14
Runtime @ 25% Load (Propane)
Not available—
16.5
AC Outlet Types
2x Duplex 120V 20A (5-20R) and 1x 120V 30A (TT-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
212 cc OHV 4-stroke
OHV 4-stroke
Engine Displacement
212
212
Cylinder Sleeve
Not available—
cast iron sleeve
Engine Oil Type
SAE10W-30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available—
14
Runtime @ 50% Load (Gasoline)
10
10.5
Runtime @ 50% Load (Propane)
12
14
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesNo
Included equipment
Mobility Components
Not available—
Yes
Starting Components
Recoil
Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit
Included Accessories
Funnel, tool kit, propane hose, and battery charging cables
Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit
Warranty & identification
Residential Warranty
1
Not available—
Commercial Warranty
1
3
Additional specs
Summary
The Sportsman GEN4000DF-SS is a dual fuel generator capable of delivering 4,000 surge watts and 3,500 running watts, suitable for powering RVs, household appliances, and power tools.
The Westinghouse WGen3600DF is a dual fuel portable generator that offers reliable power for both home and recreational use. It provides 4,650 peak watts and 3,600 running watts on gasoline, and 4,180 peak watts and 3,240 running watts on propane. Designed with user convenience in mind, it features electric and remote start capabilities, making it easy to operate. The generator is RV-ready, equipped with a TT-30R outlet, and includes safety features such as low oil shutdown and carbon monoxide (CO) protection. With a 4-gallon fuel tank, it can run up to 18 hours on gasoline, ensuring extended operation during power outages or outdoor activities.
  • Most Powerful
    Westinghouse WGen3600DF
    3600W running
  • Quietest
    Westinghouse WGen3600DF
    68 dB
  • Longest Runtime
    Sportsman GEN4000DF-SS
    10h at 50% load
Where to buy
Prices can change. We update these automatically.
Sportsman GEN4000DF-SS
Store links
No links yet.
Westinghouse WGen3600DF
Store links
No links yet.
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