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  • Powerhorse 9000ES
  • Powermate PM4500E
  • Model 9000ES
    Model 9000ES

    Powerhorse 7,250W Gas Generator

    7250W
    Running
    75 dB
    Noise
    View details
  • Model PM4500E
    Model PM4500E

    Powermate 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 9000ESPowermate PM4500E
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
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: 114 lbs
Run time @50% load
9.6 h
Winner: Winner: 14 h
Run time @25% load
Not available
20 h
Fuel tank
6.6 gal
5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29.3 x 26.6 x 26.4
26.3 x 22.9 x 21.6
Electrical
Voltage (AC)
120/240V 60 Hz
120
Voltage (DC)
12
Not available
GFCI outletsNoYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
Less than 5% %
Not available
Engine
Engine
420 cc OHV 4-stroke
224 cc Generac OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric
Warranty
Warranty
2 years
3 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
14 h
Run time @25% load
Not available
20 h
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
EPA
EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Floating
Bonded to frame.
UPC
Not available
696471080353
Core / High-priority specs
Running Watts (Gasoline)
7250
3600
Starting Watts (Gasoline)
9000
4500
Runtime @ 50% Load (Gasoline)
9.6
14
Runtime @ 25% Load (Gasoline)
Not available
20
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) GFCI1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
420
224
Engine Oil Type
Not available
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
20
Runtime @ 50% Load (Gasoline)
9.6
14
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringNoYes
Included equipment
Starting Components
Recoil, Electric
Not available
Included Accessories
Wheel kit
Oil, battery, and wheel kit
Warranty & identification
Commercial Warranty
Not available
3
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 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.
  • Most Powerful
    Powerhorse 9000ES
    7250W running
  • Quietest
    Powerhorse 9000ES
    75 dB
  • Longest Runtime
    Powermate PM4500E
    14h at 50% load
Where to buy
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Powerhorse 9000ES
Store links
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Powermate PM4500E
Store links
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