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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
  • VEVOR GF12000E-A2
  • Model GM10500iETC
    Model GM10500iETC

    Genmax 8,500W Tri-Fuel Generator

    8500W
    Running
    64 dB
    Noise
    View details
  • Model GF12000E-A2
    Model GF12000E-A2

    VEVOR 9,000W Tri-Fuel Generator

    9000W
    Running
    0 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 GM10500iETCVEVOR GF12000E-A2
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Tri-Fuel
InverterYesNo
Parallel capableYesNo
RV readyYesNo
Running watts
8500 W
Winner: Winner: 9000 W
Starting watts
10500 W
Winner: Winner: 13500 W
Noise (lower limit)
Winner: Winner: 64 dB
0 dB
Weight
244.7 lbs
Winner: Winner: 234.8 lbs
Run time @50% load
Not available—
Winner: Winner: 9.5 h
Run time @25% load
14 h
Not available—
Fuel tank
6.9 gal
9.2 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
30.9 x 22.6 x 29.3
29.9 x 28.7 x 27.4
Electrical
Voltage (AC)
120/240
AC120V/AC240V
Voltage (DC)
12
Not available—
GFCI outletsNoNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
≤3% %
0 %
Engine
Engine
458 cc OHV 4-stroke
Four-Stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric, Remote
Not available—
Warranty
Warranty
1 years
0 years
Power by fuel
GasolineNot available—Not available—
Running watts
8500 W
9000 W
Starting watts
10500 W
13500 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—
9.5 h
Run time @25% load
14 h
Not available—
Natural gasNot available—Not available—
Running watts
6800 W
7200 W
Starting watts
8400 W
11000 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—
Not available—
Run time @25% load
Not available—
Not available—
PropaneNot available—Not available—
Running watts
8000 W
8100 W
Starting watts
9500 W
12000 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—
Not available—
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
Not available—
Compliance
CARB, EPA, ANSI/PGMA G300-2023
Not available—
Security
Not available—
Not available—
Spark arrestorYesNo
Neutral
Floating
Not available—
UPC
742332650842
Not available—
Core / High-priority specs
Generator Type
Not available—
Generator
Running Watts (Gasoline)
8500
9000
Running Watts (Propane)
8000
8100
Running Watts (Natural Gas)
6800
7200
Starting Watts (Gasoline)
10500
13500
Starting Watts (Propane)
9500
12000
Starting Watts (Natural Gas)
8400
11000
Runtime @ 50% Load (Gasoline)
Not available—
9.5
Runtime @ 25% Load (Gasoline)
14
Not available—
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Not available—
Electrical & power
Frequency
60
Not available—
Engine & construction
Engine Type
458 cc OHV 4-stroke
Not available—
Engine Displacement
458
500
Engine Oil Type
SAE 10W/30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
Not available—
Runtime @ 50% Load (Gasoline)
Not available—
9.5
Outlets & connections
Transfer Switch ReadyNoNo
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available—
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Recoil, Electric, Remote
Not available—
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
Not available—
Warranty & identification
Residential Warranty
1
Not available—
Commercial Warranty
1
Not available—
Part Number
Not available—
GF12000E-A2
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 VEVOR GF12000E-A2 is a tri-fuel generator with a rated wattage of 9000 and a peak wattage of 13500.
  • Most Powerful
    VEVOR GF12000E-A2
    9000W running
  • Quietest
    Genmax GM10500iETC
    64 dB
  • Longest Runtime
    VEVOR GF12000E-A2
    9.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Genmax GM10500iETC
Store links
No links yet.
VEVOR GF12000E-A2
Store links
No links yet.
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