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  • Generac #8063 GP9500ETF
  • Cat INV2000
  • Model #8063 GP9500ETF
    Model #8063 GP9500ETF

    Generac 9,500W Tri-Fuel Generator

    9500W
    Running
    0 dB
    Noise
    View details
  • Model INV2000
    Model INV2000

    Cat 1,800W Gas Generator

    1800W
    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
SpecificationGenerac #8063 GP9500ETFCat INV2000
General
Product type
Generator
Generator
Fuel
Tri-Fuel
Gasoline
InverterNoYes
Parallel capableNoNo
RV readyYesNo
Running watts
Winner: Winner: 9500 W
1800 W
Starting watts
Winner: Winner: 12500 W
2250 W
Noise (lower limit)
0 dB
Winner: Winner: 52 dB
Weight
219 lbs
Winner: Winner: 48.8 lbs
Run time @50% load
Winner: Winner: 9.5 h
6 h
Run time @25% load
14 h
10 h
Fuel tank
7.5 gal
1 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
27.5 x 27.1 x 27.6
19.6 x 12.5 x 18.1
Electrical
Voltage (AC)
120/240
120V 60 Hz
Voltage (DC)
Not available
12
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available
<3% %
Engine
Engine
OHV 4-stroke
OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
9500 W
1800 W
Starting watts
12500 W
2250 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
6 h
Run time @25% load
14 h
10 h
Natural gasNot availableNot available
Running watts
7000 W
Not available
Starting watts
9000 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 availableNot available
Running watts
8550 W
Not available
Starting watts
11250 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
4.5 h
Not available
Run time @25% load
6 h
Not available
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
true
UPC
696471104523
815683024881
Core / High-priority specs
Running Watts (Gasoline)
9500
1800
Running Watts (Propane)
8550
Not available
Running Watts (Natural Gas)
7000
Not available
Starting Watts (Gasoline)
12500
2250
Starting Watts (Propane)
11250
Not available
Starting Watts (Natural Gas)
9000
Not available
Runtime @ 50% Load (Gasoline)
9.5
6
Runtime @ 50% Load (Propane)
4.5
Not available
Runtime @ 25% Load (Gasoline)
14
10
Runtime @ 25% Load (Propane)
6
Not available
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
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
400
79.7
Engine Oil Type
10W-30 / SAE 30
SAE 30 or 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14
10
Runtime @ 50% Load (Gasoline)
9.5
6
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 MonitoringYesNo
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
Tool kit
Warranty & identification
Residential Warranty
3
Not available
Commercial Warranty
Not available
2
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 Cat INV2000 is an 1800-watt inverter generator built for users who need portable, clean power without the noise. At 48.8 pounds and measuring 19.6 x 12.5 x 18.1 inches, this unit bridges the gap between lightweight portability and genuine load capacity. It runs on standard gasoline and produces less than 3% THD, meaning laptops, phones, and sensitive electronics stay safe from voltage spikes. The recoil start fires up quickly, and the 52 dBA noise level keeps it quiet enough for residential areas and campgrounds. With 10 hours of runtime at 25% load and 6 hours at 50% load, users can power essential devices through a full day or night without refueling. The 1-gallon fuel tank and automatic low-oil shutdown mean less maintenance worry. This is a grab-and-go generator for camping, tailgating, emergency backup, and light outdoor work where portability matters as much as power.
  • Most Powerful
    Generac #8063 GP9500ETF
    9500W running
  • Quietest
    Cat INV2000
    52 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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Cat INV2000
Store links
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