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

  • Westinghouse iGen5000DF
  • Yamaha EF5500DE
  • Model iGen5000DF
    Model iGen5000DF

    Westinghouse 3,900W Dual-Fuel Generator

    3900W
    Running
    52 dB
    Noise
    View details
  • Model EF5500DE
    Model EF5500DE

    Yamaha 4,500W Gas Generator

    4500W
    Running
    74.1 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
SpecificationWestinghouse iGen5000DFYamaha EF5500DE
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterYesNo
Parallel capableYesNo
RV readyYesNo
Running watts
3900 W
Winner: Winner: 4500 W
Starting watts
5000 W
Winner: Winner: 5500 W
Noise (lower limit)
Winner: Winner: 52 dB
74.1 dB
Weight
Winner: Winner: 104.7 lbs
238.1 lbs
Run time @50% load
Winner: Winner: 15 h
13.5 h
Run time @25% load
18 h
Not available
Fuel tank
3.4 gal
6.9 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
24.5 x 17.5 x 20
29.1 x 29 x 31.5 in
Electrical
Voltage (AC)
120
120/240V 60 Hz
Voltage (DC)
5
Not available
GFCI outletsNoYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
3 %
Not available
Engine
Engine
224 cc Westinghouse OHV 4-stroke
Yamaha MZ360 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3900 W
4500 W
Starting watts
5000 W
5500 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
15 h
13.5 h
Run time @25% load
18 h
Not available
PropaneNot availableNot available
Running watts
3500 W
Not available
Starting watts
4500 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
Not available
Not available
Run time @25% load
22 h
Not available
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
true
UPC
850011336540
765053823098
Core / High-priority specs
Running Watts (Gasoline)
3900
4500
Running Watts (Propane)
3500
Not available
Starting Watts (Gasoline)
5000
5500
Starting Watts (Propane)
4500
Not available
Runtime @ 50% Load (Gasoline)
15
13.5
Runtime @ 25% Load (Gasoline)
18
Not available
Runtime @ 25% Load (Propane)
22
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
2x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
224
358
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
18
Not available
Runtime @ 50% Load (Gasoline)
15
13.5
Controls & display
Display Type
Not available
Data center
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Starting Components
Recoil, Electric, Remote
Not available
Documentation
Not available
Data center
Included Accessories
Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery
Tool kit, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
Not available
Part Number
Not available
EF55DEX
Additional specs
Summary
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.
The Yamaha EF5500DE is a versatile dual 120/240 volt generator, ideal for emergency backup power for home, cottage, or business, as well as primary power on job sites. It features a 358cc OHV engine, electric start, and offers 5500 watts maximum AC output with outstanding fuel efficiency.
  • Most Powerful
    Yamaha EF5500DE
    4500W running
  • Quietest
    Westinghouse iGen5000DF
    52 dB
  • Longest Runtime
    Westinghouse iGen5000DF
    15h at 50% load
Where to buy
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Westinghouse iGen5000DF
Store links
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Yamaha EF5500DE
Store links
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