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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.

  • Honda EB5000X
  • Cat RP5500
  • Model EB5000X
    Model EB5000X

    Honda 4,500W Gas Generator

    4500W
    Running
    63 dB
    Noise
    View details
  • Model RP5500
    Model RP5500

    Cat 5,500W Gas Generator

    5500W
    Running
    0 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
SpecificationHonda EB5000XCat RP5500
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
4500 W
Winner: Winner: 5500 W
Starting watts
5000 W
Winner: Winner: 6875 W
Noise (lower limit)
Winner: Winner: 63 dB
0 dB
Weight
210.8 lbs
Winner: Winner: 178 lbs
Run time @50% load
10.5 h
Winner: Winner: 15 h
Run time @25% load
10.5 h
Not available
Fuel tank
6.2 gal
7.9 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
41.1 x 27.8 x 30.4
32.9 x 27.4 x 24.7
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
10 %
Not available
Engine
Engine
Honda iGX390 OHV 4-stroke, cast iron sleeve
300 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil
Recoil
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
4500 W
5500 W
Starting watts
5000 W
6875 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
10.5 h
15 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Not available
UPC
786102007368
815683020036
Core / High-priority specs
Running Watts (Gasoline)
4500
5500
Starting Watts (Gasoline)
5000
6875
Runtime @ 50% Load (Gasoline)
10.5
15
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R) GFCI, 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke, cast iron sleeve
OHV 4-stroke
Engine Displacement
389
300
Cylinder Sleeve
Cast iron sleeve
Not available
Engine Oil Type
10W-30
SAE 30 or 10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
10.5
15
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Wheel kit
Oil, funnel, tool kit, and wheel kit
Warranty & identification
Part Number
EB5000XK3AN
502-3686
Additional specs
Summary
The Honda EB5000X is a 4,500-watt gasoline generator built for job sites and extended outages. Its 389cc Honda engine delivers 5,000 peak watts with a 6.2-gallon tank that runs 10.5 hours at 50% load. The recoil-start design and GFCI outlets handle most household and light commercial loads without inverter complexity.
The Cat RP5500 is a 5500-watt gasoline generator built for homeowners, contractors, and outdoor enthusiasts who need reliable backup power without the complexity of larger units. This wattage tier handles most household circuits simultaneously, meaning you can run a refrigerator, well pump, and power tools at the same time, but not your entire home's air conditioning system. The 6875-watt peak capacity gives it the muscle to start high-inrush devices like compressors and sump pumps without stalling. Because the RP5500 runs on gasoline, fuel is available at any gas station, eliminating the supply chain friction of propane or diesel models. The 7.9-gallon tank paired with 15-hour runtime at half load means you refuel roughly once per day under typical use, not every few hours.
  • Most Powerful
    Cat RP5500
    5500W running
  • Quietest
    Honda EB5000X
    63 dB
  • Longest Runtime
    Cat RP5500
    15h at 50% load
Where to buy
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Honda EB5000X
Store links
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Cat RP5500
Store links
No links yet.
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