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

  • Sportsman GEN4000DF
  • Westinghouse iGen5000DF
  • Model GEN4000DF
    Model GEN4000DF

    Sportsman 3,500W Dual-Fuel Generator

    3500W
    Running
    69 dB
    Noise
    View details
  • Model iGen5000DF
    Model iGen5000DF

    Westinghouse 3,900W Dual-Fuel Generator

    3900W
    Running
    52 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 GEN4000DFWestinghouse iGen5000DF
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoYes
Parallel capableNoYes
RV readyYesYes
Running watts
3500 W
Winner: Winner: 3900 W
Starting watts
4000 W
Winner: Winner: 5000 W
Noise (lower limit)
69 dB
Winner: Winner: 52 dB
Weight
Winner: Winner: 90 lbs
104.7 lbs
Run time @50% load
10 h
Winner: Winner: 15 h
Run time @25% load
Not available
18 h
Fuel tank
3.6 gal
3.4 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
24.5 x 17 x 16.5
24.5 x 17.5 x 20
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
5
GFCI outletsNoNo
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
Not available
3 %
Engine
Engine
212 cc OHV 4-stroke
224 cc Westinghouse OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
1 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3500 W
3900 W
Starting watts
4000 W
5000 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
15 h
Run time @25% load
Not available
18 h
PropaneNot availableNot available
Running watts
3100 W
3500 W
Starting watts
3600 W
4500 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
Not available
Run time @25% load
Not available
22 h
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Floating
UPC
27077801323
850011336540
Core / High-priority specs
Running Watts (Gasoline)
3500
3900
Running Watts (Propane)
3100
3500
Starting Watts (Gasoline)
4000
5000
Starting Watts (Propane)
3600
4500
Runtime @ 50% Load (Gasoline)
10
15
Runtime @ 50% Load (Propane)
12
Not available
Runtime @ 25% Load (Gasoline)
Not available
18
Runtime @ 25% Load (Propane)
Not available
22
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
212
224
Engine Oil Type
SAE10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
18
Runtime @ 50% Load (Gasoline)
10
15
Runtime @ 50% Load (Propane)
12
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoNo
Included equipment
Starting Components
Not available
Recoil, Electric, Remote
Included Accessories
Funnel, tool kit, propane hose, and battery charging cables
Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery
Warranty & identification
Commercial Warranty
Not available
3
Additional specs
Summary
The Sportsman GEN4000DF is a dual fuel generator capable of producing 4,000 surge watts and 3,500 running watts, suitable for powering RVs, household appliances, and power tools.
The Westinghouse iGen5000DF is a dual fuel inverter generator that offers 5,000 peak watts and 3,900 rated watts on gasoline, and 4,500 peak watts and 3,500 rated watts on propane. It features a remote start, LED display, and operates quietly, making it suitable for camping, tailgating, RVs, and home backup.
  • Most Powerful
    Westinghouse iGen5000DF
    3900W running
  • Quietest
    Westinghouse iGen5000DF
    52 dB
  • Longest Runtime
    Westinghouse iGen5000DF
    15h at 50% load
Where to buy
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Sportsman GEN4000DF
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Westinghouse iGen5000DF
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