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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-4000
  • Firman W03082
  • Model EGi-4000
    Model EGi-4000

    ECHO 3,400W Gas Generator

    3400W
    Running
    67 dB
    Noise
    View details
  • Model W03082
    Model W03082

    Firman 3,000W Gas Generator

    3000W
    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 EGi-4000Firman W03082
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableNoYes
RV readyYesYes
Running watts
Winner: Winner: 3400 W
3000 W
Starting watts
Winner: Winner: 4000 W
3300 W
Noise (lower limit)
67 dB
Winner: Winner: 58 dB
Weight
Winner: Winner: 86 lbs
90 lbs
Run time @50% load
Winner: Winner: 10 h
Not available
Run time @25% load
Not available
9 h
Fuel tank
3.3 gal
1.8 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
27 x 18.8 x 24
23.2 x 17.8 x 17.9
Electrical
Voltage (AC)
120
120V 60 Hz
Voltage (DC)
5
12V
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
<3% %
Engine
Engine
212 cc OHV 4-stroke
171 cc Firman Max-Pro Series OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3400 W
3000 W
Starting watts
4000 W
3300 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
9 h
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
CARB
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Floating
UPC
743184017579
840876130827
Core / High-priority specs
Running Watts (Gasoline)
3400
3000
Starting Watts (Gasoline)
4000
3300
Runtime @ 50% Load (Gasoline)
10
Not available
Runtime @ 25% Load (Gasoline)
Not available
9
AC Outlet Types
1x Duplex 120V 20A (5-20R)1x 120V 30A (TT-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
212
171
Cylinder Sleeve
Not available
Cast iron sleeve
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
9
Runtime @ 50% Load (Gasoline)
10
Not available
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Wheel kit
Oil, funnel, tool kit, battery charger, battery charging cables, and battery
Warranty & identification
Commercial Warranty
Not available
3
Additional specs
Summary
The ECHO EGi-4000 is a 3,400-watt inverter generator built around a 212 cc OHV 4-stroke engine. This wattage class handles essential household appliances during outages, job site tools, and RV systems. The 4,000-watt peak capacity means it can start larger equipment like air compressors or circular saws without stalling. Because the unit runs on gasoline with a 3.3-gallon tank, users will find refueling cycles manageable for weekend trips or short-term backup scenarios. The inverter technology protects laptops, phones, and other sensitive electronics from power fluctuations. A 10-hour runtime at 50% load means users can operate mid-range loads like a refrigerator or power tools for most of a workday without refueling. The 86-pound weight and included wheel kit make it movable for one person, though not effortless.
The Firman W03082 is a 3000-watt inverter generator built around a 171cc OHV 4-stroke engine. At this wattage, it can power most household appliances simultaneously: a refrigerator (600W), microwave (1000W), and several lights and chargers without strain. The 3300-watt peak handles motor startup surges for tools like circular saws or air compressors. Because it runs on gasoline with a 1.8-gallon tank, refueling happens frequently at higher loads, but the 9-hour runtime at 25% load means light-duty camping or backup power runs through a full day without interruption. The inverter topology keeps total harmonic distortion below 3%, which means laptops, phones, and sensitive medical equipment charge safely without risk of damage from dirty power.
  • Most Powerful
    ECHO EGi-4000
    3400W running
  • Quietest
    Firman W03082
    58 dB
  • Longest Runtime
    ECHO EGi-4000
    10h at 50% load
Where to buy
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ECHO EGi-4000
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Firman W03082
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