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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.

  • Powermate PM4500E
  • Yamaha EF5500D
  • Model PM4500E
    Model PM4500E

    Powermate 3,600W Gas Generator

    3600W
    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
SpecificationPowermate PM4500EYamaha EF5500D
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
3600 W
Winner: Winner: 4500 W
Starting watts
4500 W
Winner: Winner: 5500 W
Noise (lower limit)
0 dB
Winner: Winner: 74.1 dB
Weight
Winner: Winner: 114 lbs
216.1 lbs
Run time @50% load
Winner: Winner: 14 h
13.5 h
Run time @25% load
20 h
Not available
Fuel tank
5 gal
6.9 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
26.3 x 22.9 x 21.6
29.1 x 29 x 31.5 in
Electrical
Voltage (AC)
120
120/240V 60 Hz
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
224 cc Generac OHV 4-stroke
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 availableNot available
Running watts
3600 W
4500 W
Starting watts
4500 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
14 h
13.5 h
Run time @25% load
20 h
Not available
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Bonded to frame.
true
UPC
696471080353
Not available
Core / High-priority specs
Running Watts (Gasoline)
3600
4500
Starting Watts (Gasoline)
4500
5500
Runtime @ 50% Load (Gasoline)
14
13.5
Runtime @ 25% Load (Gasoline)
20
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)
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
224
358
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
20
Not available
Runtime @ 50% Load (Gasoline)
14
13.5
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Not available
Yes
Included Accessories
Oil, battery, and wheel kit
Tool kit and wheel kit
Warranty & identification
Commercial Warranty
3
Not available
Part Number
Not available
EF55DZ1
Additional specs
Summary
The Powermate PM4500E is a portable generator offering 4500 starting watts and 3600 running watts, featuring an electric start and a 224cc Generac OHV engine, suitable for various applications.
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
    Yamaha EF5500D
    4500W running
  • Quietest
    Yamaha EF5500D
    74.1 dB
  • Longest Runtime
    Powermate PM4500E
    14h at 50% load
Where to buy
Prices can change. We update these automatically.
Powermate PM4500E
Store links
No links yet.
Yamaha EF5500D
Store links
No links yet.
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