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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 c13000s
  • Yamaha EF4500iSE
  • Model c13000s
    Model c13000s

    NorthStar 10,500W Gas Generator

    10500W
    Running
    72 dB
    Noise
    View details
  • Model EF4500iSE
    Model EF4500iSE

    Yamaha 4,000W Gas Generator

    4000W
    Running
    58 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 c13000sYamaha EF4500iSE
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoYes
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 10500 W
4000 W
Starting watts
Winner: Winner: 13000 W
4500 W
Noise (lower limit)
72 dB
Winner: Winner: 58 dB
Weight
387 lbs
Winner: Winner: 209 lbs
Run time @50% load
Winner: Winner: 10.9 h
Not available
Run time @25% load
Not available
15.2 h
Fuel tank
12 gal
4.5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
43 x 36 x 35
30.7 x 24.3 x 27.2
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
Not available
Not available
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
<5% %
3 %
Engine
Engine
Honda GX630 OHV V-Twin
Yamaha MZ360 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Electric
Electric
Warranty
Warranty
4 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
10500 W
4000 W
Starting watts
13000 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
10.9 h
Not available
Run time @25% load
Not available
15.2 h
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
Floating
UPC
840321737458
765053833196
Core / High-priority specs
Running Watts (Gasoline)
10500
4000
Starting Watts (Gasoline)
13000
4500
Runtime @ 50% Load (Gasoline)
10.9
Not available
Runtime @ 25% Load (Gasoline)
Not available
15.2
AC Outlet Types
3x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
1x Duplex 120V 20A (5-20R)1x 120V 30A (L5-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV V-Twin
OHV 4-stroke
Engine Displacement
688
357
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
Not available
15.2
Runtime @ 50% Load (Gasoline)
10.9
Not available
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection, CO monitoring
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Included Accessories
Funnel, battery, and wheel kit
Battery
Warranty & identification
Part Number
Not available
EF45ISEZ
Additional specs
Summary
The NorthStar c13000s is a commercial-grade portable generator designed for demanding jobsites, offering 13,000 surge watts and 10,500 rated watts of power.
The Yamaha EF4500iSE is a 4500-watt inverter generator designed for maximum efficiency and minimal noise, suitable for emergency backup, recreational use, and DIY projects.
  • Most Powerful
    NorthStar c13000s
    10500W running
  • Quietest
    Yamaha EF4500iSE
    58 dB
  • Longest Runtime
    NorthStar c13000s
    10.9h at 50% load
Where to buy
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NorthStar c13000s
Store links
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Yamaha EF4500iSE
Store links
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