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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.

  • Powermate PM4500E
  • Cat RP3600
  • Model PM4500E
    Model PM4500E

    Powermate 3,600W Gas Generator

    3600W
    Running
    0 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
SpecificationPowermate PM4500ECat RP3600
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 3600 W
Winner: Winner: 3600 W
Starting watts
Winner: Winner: 4500 W
Winner: Winner: 4500 W
Noise (lower limit)
0 dB
0 dB
Weight
Winner: Winner: 114 lbs
125 lbs
Run time @50% load
Winner: Winner: 14 h
13.5 h
Run time @25% load
20 h
Not available—
Fuel tank
5 gal
4.5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
26.3 x 22.9 x 21.6
28.4 x 25.2 x 23
Electrical
Voltage (AC)
120
120V 60 Hz
Voltage (DC)
Not available—
Not available—
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
Not available—
Not available—
Engine
Engine
224 cc Generac OHV 4-stroke
212 cc OHV 4-stroke
Alternator
Not available—
Not available—
Starting system
Recoil, Electric
Recoil
Warranty
Warranty
3 years
2 years
Power by fuel
GasolineNot available—Not available—
Running watts
3600 W
3600 W
Starting watts
4500 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
14 h
13.5 h
Run time @25% load
20 h
Not available—
Other
Data center
Not available—
Not available—
Indicators
false
false
Compliance
EPA
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
Bonded to frame.
true
UPC
696471080353
815683020005
Core / High-priority specs
Running Watts (Gasoline)
3600
3600
Starting Watts (Gasoline)
4500
4500
Runtime @ 50% Load (Gasoline)
14
13.5
Runtime @ 25% Load (Gasoline)
20
Not available—
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI1x 120V 30A (L5-30R)
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
224
212
Engine Oil Type
10W-30
SAE 30 or 10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
20
Not available—
Runtime @ 50% Load (Gasoline)
14
13.5
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionNoYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Not available—
Oil, funnel, tool kit, and wheel kit
Included Accessories
Oil, battery, and wheel kit
Oil, funnel, tool kit, and wheel kit
Warranty & identification
Commercial Warranty
3
Not available—
Part Number
Not available—
502-3684
Additional specs
Summary
The Powermate PM4500E is a portable generator offering 4500 starting watts and 3600 running watts, featuring an electric start and a 224cc Generac OHV engine, suitable for various applications.
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
    Powermate PM4500E
    3600W running
  • Quietest
    dB
  • Longest Runtime
    Powermate PM4500E
    14h at 50% load
Where to buy
Prices can change. We update these automatically.
Powermate PM4500E
Store links
No links yet.
Cat RP3600
Store links
No links yet.
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