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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 EGi-4000
  • Genmax GM3300i
  • Model EGi-4000
    Model EGi-4000

    ECHO 3,400W Gas Generator

    3400W
    Running
    67 dB
    Noise
    View details
  • Model GM3300i
    Model GM3300i

    Genmax 3,000W Gas Generator

    3000W
    Running
    62 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-4000Genmax GM3300i
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: 62 dB
Weight
86 lbs
Winner: Winner: 47.4 lbs
Run time @50% load
Winner: Winner: 10 h
4.5 h
Run time @25% load
Not available
6 h
Fuel tank
3.3 gal
1 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
27 x 18.8 x 24
18.9 x 11.4 x 17.3
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
5
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
Not available
Engine
Engine
212 cc OHV 4-stroke
145 cc Dinking OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
1 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
4.5 h
Run time @25% load
Not available
6 h
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
CARB
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Floating
UPC
743184017579
768494056087
Core / High-priority specs
Running Watts (Gasoline)
3400
3000
Starting Watts (Gasoline)
4000
3300
Runtime @ 50% Load (Gasoline)
10
4.5
Runtime @ 25% Load (Gasoline)
Not available
6
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
Dinking OHV 4-stroke
Engine Displacement
212
145
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
6
Runtime @ 50% Load (Gasoline)
10
4.5
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Wheel kit
Funnel and tool kit
Warranty & identification
Part Number
Not available
GE-3300A
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 Genmax GM3300i is a 3000-watt gasoline inverter generator built for portability and clean power. At 47.4 lbs, it moves easily between campsites, job sites, and homes. The 3300-watt peak output handles startup surges on power tools and appliances, while the inverter technology protects laptops and phones from voltage spikes.
  • Most Powerful
    ECHO EGi-4000
    3400W running
  • Quietest
    Genmax GM3300i
    62 dB
  • Longest Runtime
    ECHO EGi-4000
    10h at 50% load
Where to buy
Prices can change. We update these automatically.
ECHO EGi-4000
Store links
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Genmax GM3300i
Store links
No links yet.
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