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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.

  • Powerhorse s8000id
  • Powermate PM4500
  • Model s8000id
    Model s8000id

    Powerhorse 6,000W Dual-Fuel Generator

    6000W
    Running
    62 dB
    Noise
    View details
  • Model PM4500
    Model PM4500

    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 s8000idPowermate PM4500
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterYesNo
Parallel capableYesNo
RV readyNoNo
Running watts
Winner: Winner: 6000 W
3600 W
Starting watts
Winner: Winner: 8000 W
4500 W
Noise (lower limit)
Winner: Winner: 62 dB
0 dB
Weight
135.7 lbs
Winner: Winner: 105 lbs
Run time @50% load
8 h
Winner: Winner: 14 h
Run time @25% load
Not available—
19 h
Fuel tank
3.78 gal
5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
27.2 x 20.3 x 21.7
26.3 x 22.9 x 21.5
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
5
Not available—
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
3 %
Not available—
Engine
Engine
298 cc OHV 4-stroke
Generac OHV 4-stroke 224 cc
Alternator
Not available—
Not available—
Starting system
Recoil, Electric, Remote
Recoil
Warranty
Warranty
2 years
3 years
Power by fuel
GasolineNot available—Not available—
Running watts
6000 W
3600 W
Starting watts
8000 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
8 h
14 h
Run time @25% load
Not available—
19 h
PropaneNot available—Not available—
Running watts
5400 W
Not available—
Starting watts
7200 W
Not available—
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
7 h
Not available—
Run time @25% load
Not available—
Not available—
Other
Data center
Not available—
Not available—
Indicators
true
false
Compliance
EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available—
Not available—
Spark arrestorYesYes
Neutral
true
true
UPC
Not available—
696471080346
Core / High-priority specs
Running Watts (Gasoline)
6000
3600
Running Watts (Propane)
5400
Not available—
Starting Watts (Gasoline)
8000
4500
Starting Watts (Propane)
7200
Not available—
Runtime @ 50% Load (Gasoline)
8
14
Runtime @ 50% Load (Propane)
7
Not available—
Runtime @ 25% Load (Gasoline)
Not available—
19
AC Outlet Types
1x Duplex 120V 20A (5-20R) GFCI; 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
Engine Displacement
298
224
Engine Oil Type
10W-30
10W-30 / SAE 30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available—
19
Runtime @ 50% Load (Gasoline)
8
14
Runtime @ 50% Load (Propane)
7
Not available—
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Recoil, Electric, Remote
Not available—
Included Accessories
Funnel, tool kit, key fob, battery charger, propane hose, and battery
Oil and wheel kit
Warranty & identification
Commercial Warranty
Not available—
3
Part Number
6075644
P0081200
Additional specs
Summary
The Powerhorse s8000id is an 8000-watt dual fuel inverter generator designed for quiet and reliable power, suitable for various applications including home backup and outdoor events.
The Powermate PM4500 is a 4500-watt portable generator featuring COsense® Technology for carbon monoxide protection, a Generac® 224CC OHV Engine, and a 19-hour run time at 25% load.
  • Most Powerful
    Powerhorse s8000id
    6000W running
  • Quietest
    Powerhorse s8000id
    62 dB
  • Longest Runtime
    Powermate PM4500
    14h at 50% load
Where to buy
Prices can change. We update these automatically.
Powerhorse s8000id
Store links
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Powermate PM4500
Store links
No links yet.
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