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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.

  • Genmax GM10500iETC
  • Honda EU3000iS
  • Model GM10500iETC
    Model GM10500iETC

    Genmax 8,500W Tri-Fuel Generator

    8500W
    Running
    64 dB
    Noise
    View details
  • Model EU3000iS
    Model EU3000iS

    Honda 2,800W Gas Generator

    2800W
    Running
    50 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
SpecificationGenmax GM10500iETCHonda EU3000iS
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Gasoline
InverterYesYes
Parallel capableYesYes
RV readyYesNo
Running watts
Winner: Winner: 8500 W
2800 W
Starting watts
Winner: Winner: 10500 W
3000 W
Noise (lower limit)
64 dB
Winner: Winner: 50 dB
Weight
244.7 lbs
Winner: Winner: 130.7 lbs
Run time @50% load
Not available—
Winner: Winner: 10 h
Run time @25% load
14 h
20 h
Fuel tank
6.9 gal
3.4 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
30.9 x 22.6 x 29.3
25.9 x 17.6 x 22
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
12
Not available—
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
≤3% %
<3% %
Engine
Engine
458 cc OHV 4-stroke
196 cc Honda GX200 OHV 4-stroke, Cast iron sleeve.
Alternator
Not available—
Not available—
Starting system
Recoil, Electric, Remote
Recoil, Electric
Warranty
Warranty
1 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
8500 W
2800 W
Starting watts
10500 W
3000 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—
10 h
Run time @25% load
14 h
20 h
Natural gasNot available—Not available—
Running watts
6800 W
Not available—
Starting watts
8400 W
Not available—
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 available—Not available—
Running watts
8000 W
Not available—
Starting watts
9500 W
Not available—
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—
Other
Data center
Not available—
Not available—
Indicators
true
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Floating
Floating
UPC
742332650842
786102007320
Core / High-priority specs
Running Watts (Gasoline)
8500
2800
Running Watts (Propane)
8000
Not available—
Running Watts (Natural Gas)
6800
Not available—
Starting Watts (Gasoline)
10500
3000
Starting Watts (Propane)
9500
Not available—
Starting Watts (Natural Gas)
8400
Not available—
Runtime @ 50% Load (Gasoline)
Not available—
10
Runtime @ 25% Load (Gasoline)
14
20
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
458 cc OHV 4-stroke
196 cc Honda GX200 OHV 4-stroke, Cast iron sleeve
Engine Displacement
458
196
Cylinder Sleeve
Not available—
Cast iron sleeve
Engine Oil Type
SAE 10W/30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
20
Runtime @ 50% Load (Gasoline)
Not available—
10
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Recoil, Electric, Remote
Recoil, Electric
Included Accessories
Funnel, tool kit, key fob, battery charger, natural gas hose with NPT adapter, propane hose, RV adapter, cover, neutral bonding plug, and battery
Battery
Warranty & identification
Residential Warranty
1
Not available—
Commercial Warranty
1
Not available—
Part Number
Not available—
EU3000iS1AN
Additional specs
Summary
The Genmax GM10500iETC is an 8500-watt tri-fuel inverter generator that runs on gasoline, propane, or natural gas. This wattage handles mid-to-large loads like air conditioning units, power tools, and multiple household appliances simultaneously. The tri-fuel flexibility means users can switch fuels based on availability and cost, a significant advantage for both emergency backup and remote work sites.
The Honda EU3000iS is a 3000-watt inverter generator fueled by gasoline. It offers reliable power output with a starting wattage of 3000 watts and a rated running wattage of 2800 watts, making it suitable for a variety of applications.
  • Most Powerful
    Genmax GM10500iETC
    8500W running
  • Quietest
    Honda EU3000iS
    50 dB
  • Longest Runtime
    Honda EU3000iS
    10h at 50% load
Where to buy
Prices can change. We update these automatically.
Genmax GM10500iETC
Store links
No links yet.
Honda EU3000iS
Store links
No links yet.
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