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

  • NorthStar c8000s
  • Powermate PM4500
  • Model c8000s
    Model c8000s

    NorthStar 6,600W Gas Generator

    6600W
    Running
    73 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
SpecificationNorthStar c8000sPowermate PM4500
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 6600 W
3600 W
Starting watts
Winner: Winner: 8000 W
4500 W
Noise (lower limit)
Winner: Winner: 73 dB
0 dB
Weight
280 lbs
Winner: Winner: 105 lbs
Run time @50% load
10.6 h
Winner: Winner: 14 h
Run time @25% load
Not available
19 h
Fuel tank
8 gal
5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
41 x 32 x 29
26.3 x 22.9 x 21.5
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
< 5% %
Not available
Engine
Engine
Honda GX390 OHV 4-stroke
Generac OHV 4-stroke 224 cc
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil
Warranty
Warranty
4 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
6600 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
10.6 h
14 h
Run time @25% load
Not available
19 h
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
true
UPC
840321737618
696471080346
Core / High-priority specs
Running Watts (Gasoline)
6600
3600
Starting Watts (Gasoline)
8000
4500
Runtime @ 50% Load (Gasoline)
10.6
14
Runtime @ 25% Load (Gasoline)
Not available
19
AC Outlet Types
3x 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
Engine Displacement
389
224
Engine Oil Type
Not available
10W-30 / SAE 30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
19
Runtime @ 50% Load (Gasoline)
10.6
14
Safety & compliance
Overload Protection System
Low oil and overload protection.
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Funnel, Battery, and Wheel Kit
Oil and wheel kit
Warranty & identification
Commercial Warranty
Not available
3
Part Number
Not available
P0081200
Additional specs
Summary
The NorthStar c8000s is a commercial-grade portable generator designed for demanding job sites, featuring a Honda GX390 OHV engine and Quiet Armor Technology for reduced noise.
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
    NorthStar c8000s
    6600W running
  • Quietest
    NorthStar c8000s
    73 dB
  • Longest Runtime
    Powermate PM4500
    14h at 50% load
Where to buy
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NorthStar c8000s
Store links
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Powermate PM4500
Store links
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