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

  • Sportsman GEN4000iOF
  • Yamaha EF2200iS
  • Model GEN4000iOF
    Model GEN4000iOF

    Sportsman 3,500W Gas Generator

    3500W
    Running
    65 dB
    Noise
    View details
  • Model EF2200iS
    Model EF2200iS

    Yamaha 1,800W Gas Generator

    1800W
    Running
    57 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
SpecificationSportsman GEN4000iOFYamaha EF2200iS
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableYesYes
RV readyYesYes
Running watts
Winner: Winner: 3500 W
1800 W
Starting watts
Winner: Winner: 3850 W
2200 W
Noise (lower limit)
65 dB
Winner: Winner: 57 dB
Weight
93 lbs
Winner: Winner: 55.2 lbs
Run time @50% load
Winner: Winner: 10 h
Not available
Run time @25% load
Not available
10.5 h
Fuel tank
4.5 gal
1.24 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
23 x 17.5 x 20.3
21.9 x 11.8 x 18.5
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
12
GFCI outletsNoNo
Covered outletsNoNo
Automatic Voltage RegulationYesYes
THD
5 %
2.5 %
Engine
Engine
223 cc OHV 4-stroke
79 cc Yamaha MZ80 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
1 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
3500 W
1800 W
Starting watts
3850 W
2200 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
10.5 h
Other
Data center
Not available
Not available
Indicators
true
true
Compliance
EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Not available
UPC
27077805437
810856030317
Core / High-priority specs
Running Watts (Gasoline)
3500
1800
Starting Watts (Gasoline)
3850
2200
Runtime @ 50% Load (Gasoline)
10
Not available
Runtime @ 25% Load (Gasoline)
Not available
10.5
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
223 cc OHV 4-stroke
OHV 4-stroke
Engine Displacement
223
79
Engine Oil Type
SAE 10W30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
10.5
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
Tool kit
No accessories
Warranty & identification
Commercial Warranty
Not available
3
Additional specs
Summary
The Sportsman GEN4000iOF is a gasoline-powered inverter generator delivering 3,850 surge watts and 3,500 running watts, suitable for powering sensitive electronics with its clean sine wave output.
The Yamaha EF2200iS is a portable inverter generator that offers a balance between power and portability, making it ideal for campers, caravanners, adventurers, and outdoor enthusiasts.
  • Most Powerful
    Sportsman GEN4000iOF
    3500W running
  • Quietest
    Yamaha EF2200iS
    57 dB
  • Longest Runtime
    Sportsman GEN4000iOF
    10h at 50% load
Where to buy
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Sportsman GEN4000iOF
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Yamaha EF2200iS
Store links
No links yet.
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