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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 GENMAX1500
  • Yamaha EF3000iSEB
  • Model GENMAX1500
    Model GENMAX1500

    Sportsman 900W Gas Generator

    900W
    Running
    65 dB
    Noise
    View details
  • Model EF3000iSEB
    Model EF3000iSEB

    Yamaha 2,800W Gas Generator

    2800W
    Running
    54.5 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 GENMAX1500Yamaha EF3000iSEB
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoYes
Parallel capableNoNo
RV readyNoNo
Running watts
900 W
Winner: Winner: 2800 W
Starting watts
1500 W
Winner: Winner: 3500 W
Noise (lower limit)
65 dB
Winner: Winner: 54.5 dB
Weight
Winner: Winner: 45 lbs
156 lbs
Run time @50% load
Winner: Winner: 8 h
Not available
Run time @25% load
Not available
18.6 h
Fuel tank
1 gal
3.4 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
16 x 14 x 16
26.8 x 17.5 x 21.9
Electrical
Voltage (AC)
120
120
Voltage (DC)
12
Not available
GFCI outletsNoNo
Covered outletsNoNo
Automatic Voltage RegulationNoYes
THD
Not available
<3% %
Engine
Engine
72 cc 2-stroke
171 cc Yamaha MZ175 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil, Electric
Warranty
Warranty
1 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
900 W
2800 W
Starting watts
1500 W
3500 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 h
Not available
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorNoYes
Neutral
Not available
Floating
UPC
27077805444
799530396652
Core / High-priority specs
Running Watts (Gasoline)
900
2800
Starting Watts (Gasoline)
1500
3500
Runtime @ 50% Load (Gasoline)
8
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R)
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
2-stroke
Yamaha MZ175 OHV 4-stroke
Engine Displacement
72
171
Engine Oil Type
Not available
SAE 10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
8
Not available
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringNoYes
Included equipment
Starting Components
Not available
Recoil, Electric
Included Accessories
Tool kit and battery charging cables
Battery
Warranty & identification
Commercial Warranty
Not available
3
Additional specs
Summary
The Sportsman GENMAX1500 is a portable 2-cycle gasoline generator offering 1,500 surge watts and 900 running watts, suitable for powering common household appliances and power tools.
The Yamaha EF3000iSEB is a 3000-watt inverter generator featuring Boost Technology, providing an additional 500-watt boost for up to 10 seconds. It offers quiet operation, fuel efficiency, and is equipped with an electric starter and built-in wheels for portability.
  • Most Powerful
    Yamaha EF3000iSEB
    2800W running
  • Quietest
    Yamaha EF3000iSEB
    54.5 dB
  • Longest Runtime
    Sportsman GENMAX1500
    8h at 50% load
Where to buy
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Sportsman GENMAX1500
Store links
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Yamaha EF3000iSEB
Store links
No links yet.
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