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

  • Powerhorse 9000ES
  • Cat RP3600
  • Model 9000ES
    Model 9000ES

    Powerhorse 7,250W Gas Generator

    7250W
    Running
    75 dB
    Noise
    View details
  • Model RP3600
    Model RP3600

    Cat 3,600W Gas Generator

    3600W
    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
SpecificationPowerhorse 9000ESCat RP3600
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 7250 W
3600 W
Starting watts
Winner: Winner: 9000 W
4500 W
Noise (lower limit)
Winner: Winner: 75 dB
0 dB
Weight
260 lbs
Winner: Winner: 125 lbs
Run time @50% load
9.6 h
Winner: Winner: 13.5 h
Run time @25% load
Not available
Not available
Fuel tank
6.6 gal
4.5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29.3 x 26.6 x 26.4
28.4 x 25.2 x 23
Electrical
Voltage (AC)
120/240V 60 Hz
120V 60 Hz
Voltage (DC)
12
Not available
GFCI outletsNoNo
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
Less than 5% %
Not available
Engine
Engine
420 cc OHV 4-stroke
212 cc OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil
Warranty
Warranty
2 years
2 years
Power by fuel
GasolineNot availableNot available
Running watts
7250 W
3600 W
Starting watts
9000 W
4500 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
9.6 h
13.5 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
true
UPC
Not available
815683020005
Core / High-priority specs
Running Watts (Gasoline)
7250
3600
Starting Watts (Gasoline)
9000
4500
Runtime @ 50% Load (Gasoline)
9.6
13.5
AC Outlet Types
4x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R) 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
420
212
Engine Oil Type
Not available
SAE 30 or 10W-30
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
9.6
13.5
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Included equipment
Starting Components
Recoil, Electric
Oil, funnel, tool kit, and wheel kit
Included Accessories
Wheel kit
Oil, funnel, tool kit, and wheel kit
Warranty & identification
Part Number
Not available
502-3684
Additional specs
Summary
The Powerhorse 9000ES is a dual-fuel portable generator offering 9,000 surge watts and 7,250 rated watts, suitable for various applications including farm work, outdoor recreation, and home backup power.
The Cat RP3600 is a 3600-watt gasoline generator built for job sites and RV camping. Its 4500-watt peak output handles startup surges for power tools and air conditioners, while the 3600-watt running capacity sustains multiple household circuits or a single large appliance continuously.
  • Most Powerful
    Powerhorse 9000ES
    7250W running
  • Quietest
    Powerhorse 9000ES
    75 dB
  • Longest Runtime
    Cat RP3600
    13.5h at 50% load
Where to buy
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Powerhorse 9000ES
Store links
No links yet.
Cat RP3600
Store links
No links yet.
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