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

  • DuroMax XP5500HX
  • Yamaha EF5500DE
  • Model XP5500HX
    Model XP5500HX

    DuroMax 4,500W Dual-Fuel Generator

    4500W
    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
SpecificationDuroMax XP5500HXYamaha EF5500DE
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 4500 W
Winner: Winner: 4500 W
Starting watts
Winner: Winner: 5500 W
Winner: Winner: 5500 W
Noise (lower limit)
Winner: Winner: 69 dB
74.1 dB
Weight
Winner: Winner: 128 lbs
238.1 lbs
Run time @50% load
9 h
Winner: Winner: 13.5 h
Run time @25% load
19 h
Not available
Fuel tank
4 gal
6.9 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
23 x 25 x 22
29.1 x 29 x 31.5 in
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
5
Not available
GFCI outletsYesYes
Covered outletsNoNo
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
210 cc OHV 4-stroke, cast iron sleeve
Yamaha MZ360 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric
Warranty
Warranty
5 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
4500 W
4500 W
Starting watts
5500 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
9 h
13.5 h
Run time @25% load
19 h
Not available
PropaneNot availableNot available
Running watts
4275 W
Not available
Starting watts
5225 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
8 h
Not available
Run time @25% load
15 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
Not available
true
UPC
811640016203
765053823098
Core / High-priority specs
Running Watts (Gasoline)
4500
4500
Running Watts (Propane)
4275
Not available
Starting Watts (Gasoline)
5500
5500
Starting Watts (Propane)
5225
Not available
Runtime @ 50% Load (Gasoline)
9
13.5
Runtime @ 50% Load (Propane)
8
Not available
Runtime @ 25% Load (Gasoline)
19
Not available
Runtime @ 25% Load (Propane)
15
Not available
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
210 cc OHV 4-stroke, cast iron sleeve
OHV 4-stroke
Engine Displacement
210
358
Cylinder Sleeve
cast iron sleeve
Not available
Alternator Winding Material
Copper windings
Not available
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
19
Not available
Runtime @ 50% Load (Gasoline)
9
13.5
Runtime @ 50% Load (Propane)
8
Not available
Controls & display
Display Type
Not available
Data center
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Documentation
Not available
Data center
Included Accessories
Funnel, tool kit, propane hose, battery, and wheel kit
Tool kit, battery, and wheel kit
Warranty & identification
Commercial Warranty
5
Not available
Part Number
Not available
EF55DEX
Additional specs
Summary
The DuroMax XP5500HX is a 4,500-watt dual-fuel generator built for homeowners, job sites, and outdoor events. Running on either gasoline or propane, it delivers 5,500 peak watts at startup, enough to power refrigerators, air conditioning units, power tools, and multiple devices simultaneously. The dual-fuel design eliminates fuel sourcing constraints. At 25% load on gasoline, the unit runs for 19 hours before refueling, stretching a single tank across an entire workday or overnight camping trip. This runtime advantage makes it practical for extended outages or remote projects where frequent refueling would interrupt operations.
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
    DuroMax XP5500HX
    4500W running
  • Quietest
    DuroMax XP5500HX
    69 dB
  • Longest Runtime
    Yamaha EF5500DE
    13.5h at 50% load
Where to buy
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DuroMax XP5500HX
Store links
No links yet.
Yamaha EF5500DE
Store links
No links yet.
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