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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.

  • A-iPower SUA4500
  • Yamaha EF5500D
  • Model SUA4500
    Model SUA4500

    A-iPower 3,500W Gas Generator

    3500W
    Running
    68 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
SpecificationA-iPower SUA4500Yamaha EF5500D
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
3500 W
Winner: Winner: 4500 W
Starting watts
4500 W
Winner: Winner: 5500 W
Noise (lower limit)
Winner: Winner: 68 dB
74.1 dB
Weight
Winner: Winner: 111 lbs
216.1 lbs
Run time @50% load
11 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)
23.4 x 22.8 x 22.6
29.1 x 29 x 31.5 in
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
Not available
Not available
GFCI outletsNoYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
Senci OHV 4-stroke, cast iron sleeve
Yamaha MZ360 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
2 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3500 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
11 h
13.5 h
Run time @25% load
Not available
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
true
true
UPC
851217006077
Not available
Core / High-priority specs
Running Watts (Gasoline)
3500
4500
Starting Watts (Gasoline)
4500
5500
Runtime @ 50% Load (Gasoline)
11
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
223
358
Cylinder Sleeve
cast iron sleeve
Not available
Engine Oil Type
SAE 10W-30
Not available
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
11
13.5
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Mobility Components
Not available
Yes
Starting Components
Recoil
Not available
Included Accessories
Oil, tool kit, and wheel kit
Tool kit and wheel kit
Warranty & identification
Commercial Warranty
2
Not available
Part Number
Not available
EF55DZ1
Additional specs
Summary
The A-iPower SUA4500 is a 3,500-watt running generator built around a 223cc OHV 4-stroke engine with cast iron sleeves. This wattage class handles essential household appliances, power tools, and small job site equipment without breaking into the heavy-duty contractor tier. The 4,500-watt peak output gives it enough surge capacity to start refrigerators, air compressors, and welders that draw high inrush current. Gasoline fuel means quick refueling at any gas station, and the 4-gallon tank stretches runtime to 14 hours at quarter load or 11 hours at half load. That refueling cycle keeps users in the field longer without constant tank swaps.
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
    A-iPower SUA4500
    68 dB
  • Longest Runtime
    Yamaha EF5500D
    13.5h at 50% load
Where to buy
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A-iPower SUA4500
Store links
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Yamaha EF5500D
Store links
No links yet.
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