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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 EGi-3600LN
  • Firman WT05571
  • Model EGi-3600LN
    Model EGi-3600LN

    ECHO 3,000W Gas Generator

    3000W
    Running
    63 dB
    Noise
    View details
  • Model WT05571
    Model WT05571

    Firman 5,500W Tri-Fuel Generator

    5500W
    Running
    67 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 EGi-3600LNFirman WT05571
General
Product type
Generator
Generator
Fuel
Gasoline
Tri-Fuel
InverterYesYes
Parallel capableYesYes
RV readyNoYes
Running watts
3000 W
Winner: Winner: 5500 W
Starting watts
3600 W
Winner: Winner: 6850 W
Noise (lower limit)
Winner: Winner: 63 dB
67 dB
Weight
Winner: Winner: 107 lbs
131.4 lbs
Run time @50% load
Winner: Winner: 8.5 h
Not available
Run time @25% load
Not available
14.5 h
Fuel tank
2.2 gal
5.3 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
25.3 x 18.9 x 19.6
27.6 x 21.3 x 22.6
Electrical
Voltage (AC)
120
120/240
Voltage (DC)
12
12
GFCI outletsNoYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
Not available
3 %
Engine
Engine
212 cc OHV 4-stroke
322 cc OHV 4-stroke, cast iron sleeve.
Alternator
Not available
Not available
Starting system
Recoil; Electric
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3000 W
5500 W
Starting watts
3600 W
6850 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
8.5 h
Not available
Run time @25% load
Not available
14.5 h
Natural gasNot availableNot available
Running watts
Not available
4500 W
Starting watts
Not available
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
Not available
Not available
Run time @25% load
Not available
Not available
PropaneNot availableNot available
Running watts
Not available
5000 W
Starting watts
Not available
6250 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
Not available
Not available
Run time @25% load
Not available
9.5 h
Other
Data center
Not available
Not available
Indicators
true
Not available
Compliance
CARB, EPA
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Bonded to frame
UPC
743184023167
840876155714
Core / High-priority specs
Running Watts (Gasoline)
3000
5500
Running Watts (Propane)
Not available
5000
Running Watts (Natural Gas)
Not available
4500
Starting Watts (Gasoline)
3600
6850
Starting Watts (Propane)
Not available
6250
Starting Watts (Natural Gas)
Not available
5500
Runtime @ 50% Load (Gasoline)
8.5
Not available
Runtime @ 25% Load (Gasoline)
Not available
14.5
Runtime @ 25% Load (Propane)
Not available
9.5
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
212 cc OHV 4-stroke
OHV 4-stroke
Engine Displacement
212
322
Cylinder Sleeve
Not available
cast iron sleeve
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
14.5
Runtime @ 50% Load (Gasoline)
8.5
Not available
Controls & display
Display Type
Digital
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringNoYes
Included equipment
Starting Components
Recoil; Electric
Oil, funnel, tool kit, propane hose, and battery
Included Accessories
Tool kit and battery
Oil, funnel, tool kit, propane hose, and battery
Warranty & identification
Commercial Warranty
3
3
Additional specs
Summary
The ECHO EGi-3600LN is a 3,000-watt inverter generator built around a 212 cc OHV 4-stroke engine. At this wattage, it can run a refrigerator, microwave, and several lights simultaneously, or power most household tools one at a time. The inverter technology means laptops, TVs, and phone chargers stay safe from power spikes. Gasoline fuel gives users quick refills at any gas station, with a 2.2-gallon tank supporting 8.5 hours of runtime at half load. This positions the unit as a practical backup for home outages, job site work, and camping trips where grid power is unavailable.
The Firman WT05571 is a 5,500-watt tri-fuel generator that runs on gasoline, propane, or natural gas. On gasoline, it delivers 6,850 starting watts and 5,500 running watts, enough to power a full home electrical panel during an outage or run multiple job site tools simultaneously. On propane, output drops to 6,250 starting and 5,000 running watts. On natural gas, it falls to 5,500 starting and 4,500 running watts. This fuel flexibility means users can switch between sources based on availability, cost, or storage preference without buying multiple generators. The tri-fuel capability makes this unit valuable for homeowners in regions with natural gas infrastructure, RV owners who can refill propane at any campground, and contractors who need to adapt to job site fuel availability. The 3 percent THD rating protects laptops, televisions, and other sensitive electronics from voltage spikes that damage circuits. At 67 decibels, the noise level sits between a typical conversation and heavy traffic, making it suitable for residential neighborhoods but audible enough that neighbors will know it is running.
  • Most Powerful
    Firman WT05571
    5500W running
  • Quietest
    ECHO EGi-3600LN
    63 dB
  • Longest Runtime
    ECHO EGi-3600LN
    8.5h at 50% load
Where to buy
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ECHO EGi-3600LN
Store links
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Firman WT05571
Store links
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