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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.

  • DEWALT DXGNR8000
  • Yamaha EF5500D
  • Model DXGNR8000
    Model DXGNR8000

    DEWALT 8,000W Gas Generator

    8000W
    Running
    0 dB
    Noise
    View details
  • Model EF5500D
    Model EF5500D

    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
SpecificationDEWALT DXGNR8000Yamaha EF5500D
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 8000 W
4500 W
Starting watts
Winner: Winner: 10000 W
5500 W
Noise (lower limit)
0 dB
Winner: Winner: 74.1 dB
Weight
Winner: Winner: 183 lbs
216.1 lbs
Run time @50% load
9 h
Winner: Winner: 13.5 h
Run time @25% load
Not available—
Not available—
Fuel tank
7.5 gal
6.9 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
27.3 x 27.4 x 28.5
29.1 x 29 x 31.5 in
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
Not available—
Not available—
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available—
Not available—
Engine
Engine
Dewalt OHV 4-stroke, 420 cc
Yamaha MZ360 OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
8000 W
4500 W
Starting watts
10000 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
Not available—
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
true
true
UPC
696471074536
Not available—
Core / High-priority specs
Running Watts (Gasoline)
8000
4500
Starting Watts (Gasoline)
10000
5500
Runtime @ 50% Load (Gasoline)
9
13.5
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R) GFCI; 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
420
358
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
9
13.5
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available—
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Not available—
Yes
Included Accessories
Oil, battery charger, battery, and wheel kit
Tool kit and wheel kit
Warranty & identification
Commercial Warranty
3
Not available—
Part Number
DXGNR8000E
EF55DZ1
Additional specs
Summary
The DEWALT DXGNR8000 is an 8,000-watt gasoline generator built for job sites and temporary power needs. Its dual-voltage output and heavy-duty construction handle both household circuits and professional equipment, making it suitable for contractors and homeowners managing extended outages or remote work.
The Yamaha EF5500D is a 5500-watt generator designed for emergency backup, recreational use, and DIY projects. It features a 358cc OHV engine, dual voltage output, and offers up to 9 hours of continuous operation at rated load.
  • Most Powerful
    DEWALT DXGNR8000
    8000W running
  • Quietest
    Yamaha EF5500D
    74.1 dB
  • Longest Runtime
    Yamaha EF5500D
    13.5h at 50% load
Where to buy
Prices can change. We update these automatically.
DEWALT DXGNR8000
Store links
No links yet.
Yamaha EF5500D
Store links
No links yet.
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