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

  • Cat INV2000
  • VEVOR R2000iSP
  • Model INV2000
    Model INV2000

    Cat 1,800W Gas Generator

    1800W
    Running
    52 dB
    Noise
    View details
  • Model R2000iSP
    Model R2000iSP

    VEVOR 1,800W Gas Generator

    1800W
    Running
    67 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 INV2000VEVOR R2000iSP
General
Product type
Generator
Not available
Fuel
Gasoline
Gasoline
InverterYesNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 1800 W
Winner: Winner: 1800 W
Starting watts
2250 W
Winner: Winner: 2900 W
Noise (lower limit)
Winner: Winner: 52 dB
67 dB
Weight
48.8 lbs
Winner: Winner: 48.5 lbs
Run time @50% load
Winner: Winner: 6 h
Winner: Winner: 6 h
Run time @25% load
10 h
Not available
Fuel tank
1 gal
1.1 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
19.6 x 12.5 x 18.1
19.6 x 11.4 x 18.1
Electrical
Voltage (AC)
120V 60 Hz
120
Voltage (DC)
12
Not available
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
<3% %
Not available
Engine
Engine
OHV 4-stroke
Not available
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
1800 W
Starting watts
2250 W
2900 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
6 h
Run time @25% load
10 h
Not available
Other
Data center
Not available
Not available
Indicators
true
Not available
Compliance
CARB, EPA
Not available
Security
Not available
Not available
Spark arrestorYesNo
Neutral
true
Not available
UPC
815683024881
Not available
Core / High-priority specs
Running Watts (Gasoline)
1800
1800
Starting Watts (Gasoline)
2250
2900
Runtime @ 50% Load (Gasoline)
6
6
Runtime @ 25% Load (Gasoline)
10
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R) GFCI
Not available
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
Not available
Engine Displacement
79.7
79.7
Engine Oil Type
SAE 30 or 10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
10
Not available
Runtime @ 50% Load (Gasoline)
6
6
Safety & compliance
Overload Protection System
Low oil and overload protection
Overload protection
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringNoYes
Included equipment
Included Accessories
Tool kit
Not available
Warranty & identification
Commercial Warranty
2
Not available
Part Number
Not available
R2000iSP
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 VEVOR R2000iSP is a 1,800W gasoline inverter generator built for portability and selective-load backup. Its 2,900W starting surge handles refrigerators, window AC units, and power tools, while the 1,800W continuous rating anchors everyday use like camping, tailgating, and short-duration home outages. At 48.5 lbs and 19.6 x 11.4 x 18.1 inches, it prioritizes grab-and-go convenience over extended runtime.
  • Most Powerful
    Cat INV2000
    1800W 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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VEVOR R2000iSP
Store links
No links yet.
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