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  • Cat INV2000
  • AIVOLT VS12000411
  • Model INV2000
    Model INV2000

    Cat 1,800W Gas Generator

    1800W
    Running
    52 dB
    Noise
    View details
  • Model VS12000411
    Model VS12000411

    AIVOLT 9,000W Dual-Fuel Inverter Generator

    9000W
    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
SpecificationCat INV2000AIVOLT VS12000411
General
Product type
Generator
Not available
Fuel
Gasoline
Dual-Fuel
InverterYesYes
Parallel capableNoYes
RV readyNoNo
Running watts
1800 W
Winner: Winner: 9000 W
Starting watts
2250 W
Winner: Winner: 11250 W
Noise (lower limit)
Winner: Winner: 52 dB
60 dB
Weight
Winner: Winner: 48.8 lbs
220 lbs
Run time @50% load
Winner: Winner: 6 h
Not available
Run time @25% load
10 h
19 h
Fuel tank
1 gal
Not available
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
19.6 x 12.5 x 18.1
28.43L x 26.38W x 29.65H
Electrical
Voltage (AC)
120V 60 Hz
120V/240V
Voltage (DC)
12
Not available
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
<3% %
3 %
Engine
Engine
OHV 4-stroke
459cc 4-strokes OHV air-cooled
Alternator
Not available
Not available
Starting system
Recoil
Not available
Warranty
Warranty
2 years
Not available
Power by fuel
GasolineNot availableNot available
Running watts
1800 W
9000 W
Starting watts
2250 W
11250 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
10 h
19 h
PropaneNot availableNot available
Running watts
Not available
8450 W
Starting watts
Not available
10570 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
true
Compliance
CARB, EPA
Approved by the EPA and CARB
Security
Not available
Not available
Spark arrestorYesNo
Neutral
true
Not available
UPC
815683024881
Not available
Core / High-priority specs
Running Watts (Gasoline)
1800
9000
Running Watts (Propane)
Not available
8450
Starting Watts (Gasoline)
2250
11250
Starting Watts (Propane)
Not available
10570
Runtime @ 50% Load (Gasoline)
6
Not available
Runtime @ 25% Load (Gasoline)
10
19
AC Outlet Types
1x Duplex 120V 20A (5-20R) GFCI
2 120V 20A 5-20R GFCI outlets, 1 120V 30A L5-30R, 1 120V/240V 30A L14-30R, 1 120V/240V 50A 14-50R
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
4 Stroke
Engine Displacement
79.7
459
Alternator Winding Material
Not available
100% copper
Engine Oil Type
SAE 30 or 10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
10
19
Runtime @ 50% Load (Gasoline)
6
Not available
Outlets & connections
Transfer Switch Compatibility
Not available
Yes
Controls & display
Display Type
Not available
LED display
Idle Control System
Not available
Eco switch
Safety & compliance
Overload Protection System
Low oil and overload protection
Built-in overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Fuel Connection Components
Not available
LPG hose with regulator
Included Accessories
Tool kit
Remote controller, battery charger, oil funnel, tool kits
Warranty & identification
Commercial Warranty
2
Not available
Additional specs
Summary
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.
The AIVOLT VS12000411 is a dual-fuel generator with a rated wattage of 9000 and a peak wattage of 11250. It features a 459cc 4-stroke OHV engine and includes electric and remote start options.
  • Most Powerful
    AIVOLT VS12000411
    9000W running
  • Quietest
    Cat INV2000
    52 dB
  • Longest Runtime
    Cat INV2000
    6h at 50% load
Where to buy
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Cat INV2000
Store links
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AIVOLT VS12000411
Store links
No links yet.
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