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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.

  • ECHO EG-3500
  • Yamaha EF6300iSDE
  • Model EG-3500
    Model EG-3500

    ECHO 2,800W Gas Generator

    2800W
    Running
    72 dB
    Noise
    View details
  • Model EF6300iSDE
    Model EF6300iSDE

    Yamaha 5,500W Gas Generator

    5500W
    Running
    58 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
SpecificationECHO EG-3500Yamaha EF6300iSDE
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoYes
Parallel capableNoNo
RV readyNoNo
Running watts
2800 W
Winner: Winner: 5500 W
Starting watts
3500 W
Winner: Winner: 6300 W
Noise (lower limit)
72 dB
Winner: Winner: 58 dB
Weight
Winner: Winner: 110 lbs
216 lbs
Run time @50% load
Winner: Winner: 10 h
5 h
Run time @25% load
Not available—
13.3 h
Fuel tank
4 gal
4.5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
25 x 24.5 x 21.5
30.7 x 24.3 x 27.2
Electrical
Voltage (AC)
120
120/240
Voltage (DC)
Not available—
Not available—
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
Not available—
<4.0% %
Engine
Engine
212 cc OHV 4-stroke
357 cc Yamaha MZ360 OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil
Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
2800 W
5500 W
Starting watts
3500 W
6300 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
10 h
Not available—
Run time @25% load
Not available—
13.3 h
Other
Data center
Not available—
Not available—
Indicators
Not available—
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Bonded to frame
true
UPC
743184017586
765053849371
Core / High-priority specs
Running Watts (Gasoline)
2800
5500
Starting Watts (Gasoline)
3500
6300
Runtime @ 50% Load (Gasoline)
10
Not available—
Runtime @ 25% Load (Gasoline)
Not available—
13.3
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R)
1x 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
212
357
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available—
13.3
Runtime @ 50% Load (Gasoline)
10
Not available—
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Included Accessories
Wheel kit
Battery
Warranty & identification
Part Number
Not available—
EF63ISDEX
Additional specs
Summary
The ECHO EG-3500 is a 2,800-watt gasoline generator built around a 212 cc OHV 4-stroke engine. At this wattage, it handles essential household loads like refrigerators, sump pumps, and power tools, but cannot run a central air conditioner or multiple high-demand appliances simultaneously. The 3,500-watt peak output gives it a brief surge capacity for motor startup, which matters when powering devices with inrush current demands. ECHO positions this unit for homeowners managing short outages, campers needing overnight power, and contractors powering hand tools on job sites where grid access is unavailable.
The Yamaha EF6300iSDE is a powerful and advanced inverter generator, ideal for emergency backup, recreational use, and DIY projects. It offers a maximum output of 6300 watts and operates quietly between 58 to 64 decibels.
  • Most Powerful
    Yamaha EF6300iSDE
    5500W running
  • Quietest
    Yamaha EF6300iSDE
    58 dB
  • Longest Runtime
    ECHO EG-3500
    10h at 50% load
Where to buy
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ECHO EG-3500
Store links
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Yamaha EF6300iSDE
Store links
No links yet.
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