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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 GM2200i
  • Westinghouse iGen8200TFc
  • Model GM2200i
    Model GM2200i

    Genmax 1,800W Gas Generator

    1800W
    Running
    58 dB
    Noise
    View details
  • Model iGen8200TFc
    Model iGen8200TFc

    Westinghouse 6,600W Tri-Fuel Generator

    6600W
    Running
    60 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 GM2200iWestinghouse iGen8200TFc
General
Product type
Generator
Generator
Fuel
Gasoline
Tri-Fuel
InverterYesYes
Parallel capableYesYes
RV readyNoYes
Running watts
1800 W
Winner: Winner: 6600 W
Starting watts
2200 W
Winner: Winner: 8200 W
Noise (lower limit)
Winner: Winner: 58 dB
60 dB
Weight
Winner: Winner: 41.9 lbs
134.5 lbs
Run time @50% load
6 h
Winner: Winner: 8.5 h
Run time @25% load
8 h
17 h
Fuel tank
1 gal
3.96 gal
Fuel gaugeNoYes
Approx. dimensions (L × W × H)
18.9 x 11.4 x 17.3
27 x 20.9 x 21.7
Electrical
Voltage (AC)
120
120/240V 60 Hz
Voltage (DC)
5
5
GFCI outletsNoYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
<3% %
3 %
Engine
Engine
79.7 cc Dinking OHV 4-stroke
298 cc OHV 4-stroke, cast iron sleeve.
Alternator
Not available—
Not available—
Starting system
Recoil
Recoil, Electric, Remote
Warranty
Warranty
1 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
1800 W
6600 W
Starting watts
2200 W
8200 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
6 h
Not available—
Run time @25% load
8 h
17 h
Natural gasNot available—Not available—
Running watts
Not available—
5280 W
Starting watts
Not available—
6560 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
Not available—
5940 W
Starting watts
Not available—
7380 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—
9.8 h
Other
Data center
Not available—
Not available—
Indicators
true
true
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Not available—
true
UPC
738349925141
850060639784
Core / High-priority specs
Running Watts (Gasoline)
1800
6600
Running Watts (Propane)
Not available—
5940
Running Watts (Natural Gas)
Not available—
5280
Starting Watts (Gasoline)
2200
8200
Starting Watts (Propane)
Not available—
7380
Starting Watts (Natural Gas)
Not available—
6560
Runtime @ 50% Load (Gasoline)
6
Not available—
Runtime @ 25% Load (Gasoline)
8
17
Runtime @ 25% Load (Propane)
Not available—
9.8
AC Outlet Types
1x Duplex 120V 20A (5-20R)
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (TT-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Dinking OHV 4-stroke
OHV 4-stroke
Engine Displacement
79.7
298
Cylinder Sleeve
Not available—
Cast iron
Alternator Winding Material
Not available—
Copper windings
Engine Oil Type
10W-30
SAE 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
8
17
Runtime @ 50% Load (Gasoline)
6
Not available—
Safety & compliance
Overload Protection System
Low oil and overload protection, CO monitoring
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Funnel and tool kit
Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery
Additional specs
Summary
The GENMAX GM2200i is a 2200-watt gasoline inverter generator featuring a 79.7cc engine, CO detection, and parallel capability, designed for quiet and efficient power supply.
The Westinghouse iGen8200TFc is a 6,600-watt tri-fuel inverter generator built for homeowners and RV users who need flexible fuel sourcing and clean power for sensitive electronics. Its 8,200-watt starting capacity handles motor loads and air conditioning startup surges, while 3 percent THD protects laptops, TVs, and medical equipment from voltage spikes.
  • Most Powerful
    Westinghouse iGen8200TFc
    6600W running
  • Quietest
    Genmax GM2200i
    58 dB
  • Longest Runtime
    Westinghouse iGen8200TFc
    8.5h at 50% load
Where to buy
Prices can change. We update these automatically.
Genmax GM2200i
Store links
No links yet.
Westinghouse iGen8200TFc
Store links
No links yet.
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