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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.

  • DuroMax XP13000EH
  • NorthStar c8000s
  • Model XP13000EH
    Model XP13000EH

    DuroMax 10,500W Dual-Fuel Generator

    10500W
    Running
    74 dB
    Noise
    View details
  • Model c8000s
    Model c8000s

    NorthStar 6,600W Gas Generator

    6600W
    Running
    73 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
SpecificationDuroMax XP13000EHNorthStar c8000s
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyYesNo
Running watts
Winner: Winner: 10500 W
6600 W
Starting watts
Winner: Winner: 13000 W
8000 W
Noise (lower limit)
74 dB
Winner: Winner: 73 dB
Weight
Winner: Winner: 234 lbs
280 lbs
Run time @50% load
8 h
Winner: Winner: 10.6 h
Run time @25% load
17 h
Not available
Fuel tank
8.3 gal
8 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
29 x 30 x 26
41 x 32 x 29
Electrical
Voltage (AC)
120/240V 60 Hz
120/240
Voltage (DC)
12
Not available
GFCI outletsYesYes
Covered outletsNoYes
Automatic Voltage RegulationYesYes
THD
12 %
< 5% %
Engine
Engine
500 cc DuroMax OHV 4-stroke, cast iron sleeve
Honda GX390 OHV 4-stroke
Alternator
Not available
Not available
Starting system
Recoil, Electric
Recoil, Electric
Warranty
Warranty
3 years
4 years
Power by fuel
GasolineNot availableNot available
Running watts
10500 W
6600 W
Starting watts
13000 W
8000 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
10.6 h
Run time @25% load
17 h
Not available
PropaneNot availableNot available
Running watts
9975 W
Not available
Starting watts
Not available
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
3 h
Not available
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
true
false
Compliance
CARB, EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
Not available
true
UPC
811640015725
840321737618
Core / High-priority specs
Running Watts (Gasoline)
10500
6600
Running Watts (Propane)
9975
Not available
Starting Watts (Gasoline)
13000
8000
Runtime @ 50% Load (Gasoline)
8
10.6
Runtime @ 50% Load (Propane)
3
Not available
Runtime @ 25% Load (Gasoline)
17
Not available
AC Outlet Types
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
3x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke, cast iron sleeve
OHV 4-stroke
Engine Displacement
500
389
Cylinder Sleeve
cast iron sleeve
Not available
Alternator Winding Material
Copper
Not available
Engine Oil Type
10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
17
Not available
Runtime @ 50% Load (Gasoline)
8
10.6
Runtime @ 50% Load (Propane)
3
Not available
Safety & compliance
Overload Protection System
Not available
Low oil and overload protection.
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringNoYes
Included equipment
Mobility Components
Yes
Not available
Included Accessories
Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit
Funnel, Battery, and Wheel Kit
Warranty & identification
Commercial Warranty
3
Not available
Additional specs
Summary
The DuroMax XP13000EH is a 10,500-watt dual-fuel generator built to handle serious backup power demands. Running on gasoline or propane, it delivers enough sustained output to power multiple household appliances simultaneously, including refrigerators, water heaters, and air conditioning units during extended outages. The 13,000-watt peak capacity means it can start high-inrush devices like compressors and pumps without strain. This wattage class sits at the threshold between portable and semi-stationary power, making it suitable for homeowners who need whole-home backup rather than just essential circuits.
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.
  • Most Powerful
    DuroMax XP13000EH
    10500W running
  • Quietest
    NorthStar c8000s
    73 dB
  • Longest Runtime
    NorthStar c8000s
    10.6h at 50% load
Where to buy
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DuroMax XP13000EH
Store links
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NorthStar c8000s
Store links
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