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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 c5500
  • Yamaha EF5500D
  • Model c5500
    Model c5500

    NorthStar 4,500W Gas Generator

    4500W
    Running
    70 dB
    Noise
    View details
  • Model EF5500D
    Model EF5500D

    Yamaha 4,500W Gas Generator

    4500W
    Running
    74.1 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 c5500Yamaha EF5500D
General
Product type
Generator
Generator
Fuel
Gasoline
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 4500 W
Winner: Winner: 4500 W
Starting watts
Winner: Winner: 5500 W
Winner: Winner: 5500 W
Noise (lower limit)
Winner: Winner: 70 dB
74.1 dB
Weight
227 lbs
Winner: Winner: 216.1 lbs
Run time @50% load
Winner: Winner: 15.1 h
13.5 h
Run time @25% load
Not available
Not available
Fuel tank
8 gal
6.9 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
41 x 32 x 29
29.1 x 29 x 31.5 in
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
5 %
Not available
Engine
Engine
270 cc Honda GX270 OHV 4-stroke
Yamaha MZ360 OHV 4-stroke
Alternator
Not available
Not available
Starting system
true
Recoil
Warranty
Warranty
4 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
4500 W
4500 W
Starting watts
5500 W
5500 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
15.1 h
13.5 h
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
true
UPC
840321737519
Not available
Core / High-priority specs
Running Watts (Gasoline)
4500
4500
Starting Watts (Gasoline)
5500
5500
Runtime @ 50% Load (Gasoline)
15.1
13.5
AC Outlet Types
3x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R)
2x Duplex 120V 20A (5-20R) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke
Engine Displacement
270
358
Runtime & fuel system
Runtime @ 50% Load (Gasoline)
15.1
13.5
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Mobility Components
Not available
Yes
Included Accessories
Funnel and wheel kit
Tool kit and wheel kit
Warranty & identification
Commercial Warranty
4
Not available
Part Number
1654400
EF55DZ1
Additional specs
Summary
The NorthStar c5500 is a commercial-grade portable generator designed for demanding job sites, featuring a Honda GX270 OHV engine and Quiet Armor Technology for reduced noise levels.
The Yamaha EF5500D is a 5500-watt generator designed for emergency backup, recreational use, and DIY projects. It features a 358cc OHV engine, dual voltage output, and offers up to 9 hours of continuous operation at rated load.
  • Most Powerful
    NorthStar c5500
    4500W running
  • Quietest
    NorthStar c5500
    70 dB
  • Longest Runtime
    NorthStar c5500
    15.1h at 50% load
Where to buy
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NorthStar c5500
Store links
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Yamaha EF5500D
Store links
No links yet.
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