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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.

  • Westinghouse WGen3600c
  • Yamaha EF5500DE
  • Model WGen3600c
    Model WGen3600c

    Westinghouse 3,600W Gas Generator

    3600W
    Running
    68 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 WGen3600cYamaha EF5500DE
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
3600 W
Winner: Winner: 4500 W
Starting watts
4650 W
Winner: Winner: 5500 W
Noise (lower limit)
Winner: Winner: 68 dB
74.1 dB
Weight
Winner: Winner: 106.1 lbs
238.1 lbs
Run time @50% load
10.5 h
Winner: Winner: 13.5 h
Run time @25% load
14 h
Not available—
Fuel tank
4 gal
6.9 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
23.3 x 22.8 x 21.3
29.1 x 29 x 31.5 in
Electrical
Voltage (AC)
120
120/240V 60 Hz
Voltage (DC)
Not available—
Not available—
GFCI outletsNoYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
23 %
Not available—
Engine
Engine
212 cc OHV 4-stroke, cast iron sleeve.
Yamaha MZ360 OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
3600 W
4500 W
Starting watts
4650 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
10.5 h
13.5 h
Run time @25% load
14 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
false
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Not available—
true
UPC
850011336892
765053823098
Core / High-priority specs
Running Watts (Gasoline)
3600
4500
Starting Watts (Gasoline)
4650
5500
Runtime @ 50% Load (Gasoline)
10.5
13.5
Runtime @ 25% Load (Gasoline)
14
Not available—
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R) 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
212
358
Cylinder Sleeve
cast iron sleeve
Not available—
Engine Oil Type
SAE 10W-30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
Not available—
Runtime @ 50% Load (Gasoline)
10.5
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 MonitoringYesYes
Included equipment
Starting Components
Recoil
Not available—
Documentation
Not available—
Data center
Included Accessories
Oil, funnel, tool kit, and wheel kit
Tool kit, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
Not available—
Part Number
Not available—
EF55DEX
Additional specs
Summary
The Westinghouse WGen3600c is a portable gas generator delivering 4,650 peak watts and 3,600 running watts, designed for home backup, RV use, and outdoor adventures.
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 WGen3600c
    68 dB
  • Longest Runtime
    Yamaha EF5500DE
    13.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Westinghouse WGen3600c
Store links
No links yet.
Yamaha EF5500DE
Store links
No links yet.
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