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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • ECHO EG-3500
  • Powermate PM4500
  • Model EG-3500
    Model EG-3500

    ECHO 2,800W Gas Generator

    2800W
    Running
    72 dB
    Noise
    View details
  • Model PM4500
    Model PM4500

    Powermate 3,600W Gas Generator

    3600W
    Running
    0 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-3500Powermate PM4500
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
2800 W
Winner: Winner: 3600 W
Starting watts
3500 W
Winner: Winner: 4500 W
Noise (lower limit)
Winner: Winner: 72 dB
0 dB
Weight
110 lbs
Winner: Winner: 105 lbs
Run time @50% load
10 h
Winner: Winner: 14 h
Run time @25% load
Not available
19 h
Fuel tank
4 gal
5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
25 x 24.5 x 21.5
26.3 x 22.9 x 21.5
Electrical
Voltage (AC)
120
120
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
212 cc OHV 4-stroke
Generac OHV 4-stroke 224 cc
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
2800 W
3600 W
Starting watts
3500 W
4500 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
14 h
Run time @25% load
Not available
19 h
Other
Data center
Not available
Not available
Indicators
Not available
false
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Bonded to frame
true
UPC
743184017586
696471080346
Core / High-priority specs
Running Watts (Gasoline)
2800
3600
Starting Watts (Gasoline)
3500
4500
Runtime @ 50% Load (Gasoline)
10
14
Runtime @ 25% Load (Gasoline)
Not available
19
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R)
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV
Engine Displacement
212
224
Engine Oil Type
Not available
10W-30 / SAE 30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
19
Runtime @ 50% Load (Gasoline)
10
14
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
Oil and wheel kit
Warranty & identification
Commercial Warranty
Not available
3
Part Number
Not available
P0081200
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 Powermate PM4500 is a 4500-watt portable generator featuring COsense® Technology for carbon monoxide protection, a Generac® 224CC OHV Engine, and a 19-hour run time at 25% load.
  • Most Powerful
    Powermate PM4500
    3600W running
  • Quietest
    ECHO EG-3500
    72 dB
  • Longest Runtime
    Powermate PM4500
    14h at 50% load
Where to buy
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ECHO EG-3500
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Powermate PM4500
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