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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 GM3500iAED
  • Westinghouse iGen5000DF
  • Model GM3500iAED
    Model GM3500iAED

    Genmax 3,200W Dual-Fuel Generator

    3200W
    Running
    62 dB
    Noise
    View details
  • Model iGen5000DF
    Model iGen5000DF

    Westinghouse 3,900W Dual-Fuel Generator

    3900W
    Running
    52 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 GM3500iAEDWestinghouse iGen5000DF
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterYesYes
Parallel capableYesYes
RV readyNoYes
Running watts
3200 W
Winner: Winner: 3900 W
Starting watts
3500 W
Winner: Winner: 5000 W
Noise (lower limit)
62 dB
Winner: Winner: 52 dB
Weight
Winner: Winner: 56.2 lbs
104.7 lbs
Run time @50% load
Not available—
Winner: Winner: 15 h
Run time @25% load
9 h
18 h
Fuel tank
1.7 gal
3.4 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
20.9 x 12.2 x 19.7
24.5 x 17.5 x 20
Electrical
Voltage (AC)
120
120
Voltage (DC)
5
5
GFCI outletsNoNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
≤3% %
3 %
Engine
Engine
145 cc OHV 4-stroke
224 cc Westinghouse OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric, Remote
Recoil, Electric, Remote
Warranty
Warranty
1 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
3200 W
3900 W
Starting watts
3500 W
5000 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—
15 h
Run time @25% load
8 h
18 h
PropaneNot available—Not available—
Running watts
2800 W
3500 W
Starting watts
3100 W
4500 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
16 h
22 h
Other
Data center
Not available—
Not available—
Indicators
true
true
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
true
Floating
UPC
713424639021
850011336540
Core / High-priority specs
Running Watts (Gasoline)
3200
3900
Running Watts (Propane)
2800
3500
Starting Watts (Gasoline)
3500
5000
Starting Watts (Propane)
3100
4500
Runtime @ 50% Load (Gasoline)
Not available—
15
Runtime @ 25% Load (Gasoline)
8
18
Runtime @ 25% Load (Propane)
16
22
AC Outlet Types
1x Duplex 120V 20A (5-20R) 1x 120V 30A (L5-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
145
224
Engine Oil Type
10W-30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
8
18
Runtime @ 50% Load (Gasoline)
Not available—
15
Safety & compliance
Overload Protection System
Not available—
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Not available—
Recoil, Electric, Remote
Included Accessories
Funnel, tool kit, key fob, propane hose, RV adapter, and battery
Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery
Warranty & identification
Commercial Warranty
Not available—
3
Additional specs
Summary
The Genmax GM3500iAED is a 3,200-watt dual-fuel inverter generator that runs on gasoline or propane. At 56.2 lbs, it handles essential household loads like refrigerators and small power tools while remaining portable enough for camping or job sites. The 62 dB noise level keeps it residential-friendly.
The Westinghouse iGen5000DF is a dual fuel inverter generator that offers 5,000 peak watts and 3,900 rated watts on gasoline, and 4,500 peak watts and 3,500 rated watts on propane. It features a remote start, LED display, and operates quietly, making it suitable for camping, tailgating, RVs, and home backup.
  • Most Powerful
    Westinghouse iGen5000DF
    3900W running
  • Quietest
    Westinghouse iGen5000DF
    52 dB
  • Longest Runtime
    Westinghouse iGen5000DF
    15h at 50% load
Where to buy
Prices can change. We update these automatically.
Genmax GM3500iAED
Store links
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Westinghouse iGen5000DF
Store links
No links yet.
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