All GeneratorsDealsCompareMy PicksGenerator Finder
All GeneratorsDealsCompareMy PicksGenerator Finder
  • Guides
  • Blog
  • FAQ
  • Rankings

Helping you find the right generator for your needs with objective specs and clear comparisons.

Categories

  • Quiet Generators
  • Inverter Generators
  • Dual-Fuel
  • Home Backup
  • Portable
  • All Brands

Resources

  • Rankings
  • Compare Generators
  • Generator Finder
  • Deals
  • Buying Guides
  • Blog
  • FAQ
  • About Us

Legal

  • Terms of Service
  • Privacy Policy
  • DMCA
  • Disclosures

Disclosure

RightGenerator is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no cost to you.

© 2026 RightGenerator. All rights reserved.

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.

  • Yamaha EF5500D
  • Aceup Energy AG4350
  • Model EF5500D
    Model EF5500D

    Yamaha 4,500W Gas Generator

    4500W
    Running
    74.1 dB
    Noise
    View details
  • Model AG4350
    Model AG4350

    Aceup Energy 3,500W Gas Generator

    3500W
    Running
    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
SpecificationYamaha EF5500DAceup Energy AG4350
General
Product type
Generator
Not available—
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 4500 W
3500 W
Starting watts
Winner: Winner: 5500 W
4350 W
Noise (lower limit)
Winner: Winner: 74.1 dB
Not available—
Weight
Winner: Winner: 216.1 lbs
Not available—
Run time @50% load
Winner: Winner: 13.5 h
10 h
Run time @25% load
Not available—
Not available—
Fuel tank
6.9 gal
4 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29.1 x 29 x 31.5 in
Not available—
Electrical
Voltage (AC)
120/240V 60 Hz
120V
Voltage (DC)
Not available—
Not available—
GFCI outletsYesNo
Covered outletsNoNo
Automatic Voltage RegulationYesNo
THD
Not available—
Not available—
Engine
Engine
Yamaha MZ360 OHV 4-stroke
7HP 208cc 4-stroke OHV
Alternator
Not available—
Not available—
Starting system
Recoil
Not available—
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
4500 W
3500 W
Starting watts
5500 W
4350 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
13.5 h
10 h
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
false
Compliance
CARB, EPA
EPA and CARB compliant
Security
Not available—
Not available—
Spark arrestorYesNo
Neutral
true
Not available—
UPC
Not available—
Not available—
Core / High-priority specs
Running Watts (Gasoline)
4500
3500
Starting Watts (Gasoline)
5500
4350
Runtime @ 50% Load (Gasoline)
13.5
10
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
120V 30A L5-30R Twist-Lock, two 20A standard outlets
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
4-stroke OHV
Engine Displacement
358
208
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
13.5
10
Safety & compliance
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesNo
Included equipment
Mobility Components
Yes
Wheel kits, handle
Starting Components
Not available—
Recoil start
Included Accessories
Tool kit and wheel kit
Oil funnel, bottle of engine oil, spark plug wrench, wheel kits, handle
Warranty & identification
Residential Warranty
Not available—
2
Part Number
EF55DZ1
Not available—
Additional specs
Summary
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.
The Aceup Energy AG4350 is a gasoline-powered generator with a rated wattage of 3500 watts and a peak wattage of 4350 watts. It features a 7HP 208cc 4-stroke OHV engine.
  • Most Powerful
    Yamaha EF5500D
    4500W 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.
Yamaha EF5500D
Store links
No links yet.
Aceup Energy AG4350
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.