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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.

  • Yamaha EF6300iSDE
  • Cat INV2000
  • Model EF6300iSDE
    Model EF6300iSDE

    Yamaha 5,500W Gas Generator

    5500W
    Running
    58 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
SpecificationYamaha EF6300iSDECat INV2000
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterYesYes
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 5500 W
1800 W
Starting watts
Winner: Winner: 6300 W
2250 W
Noise (lower limit)
58 dB
Winner: Winner: 52 dB
Weight
216 lbs
Winner: Winner: 48.8 lbs
Run time @50% load
5 h
Winner: Winner: 6 h
Run time @25% load
13.3 h
10 h
Fuel tank
4.5 gal
1 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
30.7 x 24.3 x 27.2
19.6 x 12.5 x 18.1
Electrical
Voltage (AC)
120/240
120V 60 Hz
Voltage (DC)
Not available—
12
GFCI outletsYesYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
<4.0% %
<3% %
Engine
Engine
357 cc Yamaha MZ360 OHV 4-stroke
OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Electric
Recoil
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
5500 W
1800 W
Starting watts
6300 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
Not available—
6 h
Run time @25% load
13.3 h
10 h
Other
Data center
Not available—
Not available—
Indicators
true
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
true
true
UPC
765053849371
815683024881
Core / High-priority specs
Running Watts (Gasoline)
5500
1800
Starting Watts (Gasoline)
6300
2250
Runtime @ 50% Load (Gasoline)
Not available—
6
Runtime @ 25% Load (Gasoline)
13.3
10
AC Outlet Types
1x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R) GFCI
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
357
79.7
Engine Oil Type
Not available—
SAE 30 or 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
13.3
10
Runtime @ 50% Load (Gasoline)
Not available—
6
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Battery
Tool kit
Warranty & identification
Commercial Warranty
Not available—
2
Part Number
EF63ISDEX
Not available—
Additional specs
Summary
The Yamaha EF6300iSDE is a powerful and advanced inverter generator, ideal for emergency backup, recreational use, and DIY projects. It offers a maximum output of 6300 watts and operates quietly between 58 to 64 decibels.
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
    Yamaha EF6300iSDE
    5500W running
  • Quietest
    Cat INV2000
    52 dB
  • Longest Runtime
    Cat INV2000
    6h at 50% load
Where to buy
Prices can change. We update these automatically.
Yamaha EF6300iSDE
Store links
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Cat INV2000
Store links
No links yet.
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