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Select up to 4 generators to compare specs, power output, noise levels, runtime and more. Your compare URL is shareable.

  • Generac #8063 GP9500ETF
  • Westinghouse iGen8200TFc
  • Model #8063 GP9500ETF
    Model #8063 GP9500ETF

    Generac 9,500W Tri-Fuel Generator

    9500W
    Running
    0 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
SpecificationGenerac #8063 GP9500ETFWestinghouse iGen8200TFc
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Tri-Fuel
InverterNoYes
Parallel capableNoYes
RV readyYesYes
Running watts
Winner: Winner: 9500 W
6600 W
Starting watts
Winner: Winner: 12500 W
8200 W
Noise (lower limit)
0 dB
Winner: Winner: 60 dB
Weight
219 lbs
Winner: Winner: 134.5 lbs
Run time @50% load
Winner: Winner: 9.5 h
8.5 h
Run time @25% load
14 h
17 h
Fuel tank
7.5 gal
3.96 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
27.5 x 27.1 x 27.6
27 x 20.9 x 21.7
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
Not available
5
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
3 %
Engine
Engine
OHV 4-stroke
298 cc OHV 4-stroke, cast iron sleeve.
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
9500 W
6600 W
Starting watts
12500 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
9.5 h
Not available
Run time @25% load
14 h
17 h
Natural gasNot availableNot available
Running watts
7000 W
5280 W
Starting watts
9000 W
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 availableNot available
Running watts
8550 W
5940 W
Starting watts
11250 W
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
4.5 h
Not available
Run time @25% load
6 h
9.8 h
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
EPA, ANSI/PGMA G300-2023
EPA, ANSI/PGMA G300-2023
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
true
UPC
696471104523
850060639784
Core / High-priority specs
Running Watts (Gasoline)
9500
6600
Running Watts (Propane)
8550
5940
Running Watts (Natural Gas)
7000
5280
Starting Watts (Gasoline)
12500
8200
Starting Watts (Propane)
11250
7380
Starting Watts (Natural Gas)
9000
6560
Runtime @ 50% Load (Gasoline)
9.5
Not available
Runtime @ 50% Load (Propane)
4.5
Not available
Runtime @ 25% Load (Gasoline)
14
17
Runtime @ 25% Load (Propane)
6
9.8
AC Outlet Types
1x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
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
OHV 4-stroke
OHV 4-stroke
Engine Displacement
400
298
Cylinder Sleeve
Not available
Cast iron
Alternator Winding Material
Not available
Copper windings
Engine Oil Type
10W-30 / SAE 30
SAE 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
17
Runtime @ 50% Load (Gasoline)
9.5
Not available
Runtime @ 50% Load (Propane)
4.5
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
Mobility Components
Yes
Not available
Starting Components
Recoil, Electric
Not available
Fuel Connection Components
propane hose
Not available
Included Accessories
Oil, propane hose, battery, and wheel kit
Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery
Warranty & identification
Residential Warranty
3
Not available
Additional specs
Summary
The Generac GP9500ETF is a 9,500-watt tri-fuel generator built for whole-house backup and job site power. Its ability to run on gasoline, propane, or natural gas means users gain real fuel flexibility when one source becomes scarce during extended outages. The 12,500 starting watts provide enough surge capacity to handle motor-driven loads like well pumps and air handler fans without tripping breakers. This is a stationary workhorse, not a portable unit.
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
    Generac #8063 GP9500ETF
    9500W running
  • Quietest
    Westinghouse iGen8200TFc
    60 dB
  • Longest Runtime
    Generac #8063 GP9500ETF
    9.5h at 50% load
Where to buy
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Generac #8063 GP9500ETF
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Westinghouse iGen8200TFc
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