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

  • WEN DF475T
  • Yamaha EF5500DE
  • Model DF475T
    Model DF475T

    WEN 3,800W Dual-Fuel Generator

    3800W
    Running
    69 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
SpecificationWEN DF475TYamaha EF5500DE
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
3800 W
Winner: Winner: 4500 W
Starting watts
4750 W
Winner: Winner: 5500 W
Noise (lower limit)
Winner: Winner: 69 dB
74.1 dB
Weight
Winner: Winner: 105.8 lbs
238.1 lbs
Run time @50% load
11 h
Winner: Winner: 13.5 h
Run time @25% load
Not available
Not available
Fuel tank
4 gal
6.9 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
23.2 x 17.5 x 18.5
29.1 x 29 x 31.5 in
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
12
Not available
GFCI outletsYesYes
Covered outletsNoNo
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
224 cc WEN OHV 4-stroke
Yamaha MZ360 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil and Electric
Recoil, Electric
Warranty
Warranty
2 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3800 W
4500 W
Starting watts
4750 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
11 h
13.5 h
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
3500 W
Not available
Starting watts
4350 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
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
44459144762
765053823098
Core / High-priority specs
Running Watts (Gasoline)
3800
4500
Running Watts (Propane)
3500
Not available
Starting Watts (Gasoline)
4750
5500
Starting Watts (Propane)
4350
Not available
Runtime @ 50% Load (Gasoline)
11
13.5
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
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
WEN OHV 4-stroke
OHV 4-stroke
Engine Displacement
224
358
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
11
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
Not available
Documentation
Not available
Data center
Included Accessories
Oil, propane hose, battery, and wheel kit
Tool kit, battery, and wheel kit
Warranty & identification
Commercial Warranty
2
Not available
Part Number
Not available
EF55DEX
Additional specs
Summary
The WEN DF475T is a 3,800-watt dual-fuel generator built for users who need flexibility between gasoline and propane. Its 4,750-watt starting capacity handles motor inrush demands, while the dual-fuel option extends runtime options across different storage and supply scenarios.
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
    WEN DF475T
    69 dB
  • Longest Runtime
    Yamaha EF5500DE
    13.5h at 50% load
Where to buy
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WEN DF475T
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Yamaha EF5500DE
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