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

  • Cummins Onan P9500DF EFI
  • DuroMax XP13000EH
  • Model Onan P9500DF EFI
    Model Onan P9500DF EFI

    Cummins 7,500W Dual-Fuel Generator

    7500W
    Running
    74 dB
    Noise
    View details
  • Model XP13000EH
    Model XP13000EH

    DuroMax 10,500W Dual-Fuel Generator

    10500W
    Running
    74 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
SpecificationCummins Onan P9500DF EFIDuroMax XP13000EH
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
7500 W
Winner: Winner: 10500 W
Starting watts
9500 W
Winner: Winner: 13000 W
Noise (lower limit)
Winner: Winner: 74 dB
Winner: Winner: 74 dB
Weight
Winner: Winner: 211.6 lbs
234 lbs
Run time @50% load
Winner: Winner: 9.6 h
8 h
Run time @25% load
14.4 h
17 h
Fuel tank
6.6 gal
8.3 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
27.3 x 20.6 x 22.6
29 x 30 x 26
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
5
12
GFCI outletsYesYes
Covered outletsYesNo
Automatic Voltage RegulationYesYes
THD
23 %
12 %
Engine
Engine
420 cc OHV 4-stroke
500 cc DuroMax OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil, Electric
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
7500 W
10500 W
Starting watts
9500 W
13000 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
9.6 h
8 h
Run time @25% load
14.4 h
17 h
PropaneNot availableNot available
Running watts
6750 W
9975 W
Starting watts
8550 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
Not available
3 h
Run time @25% load
10.8 h
Not available
Other
Data center
Not available
Not available
Indicators
false
true
Compliance
CARB, EPA, ANSI/PGMA G300-2023
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Not available
UPC
Not available
811640015725
Core / High-priority specs
Running Watts (Gasoline)
7500
10500
Running Watts (Propane)
6750
9975
Starting Watts (Gasoline)
9500
13000
Starting Watts (Propane)
8550
Not available
Runtime @ 50% Load (Gasoline)
9.6
8
Runtime @ 50% Load (Propane)
Not available
3
Runtime @ 25% Load (Gasoline)
14.4
17
Runtime @ 25% Load (Propane)
10.8
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R); 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
OHV 4-stroke, cast iron sleeve
Engine Displacement
420
500
Cylinder Sleeve
Not available
cast iron sleeve
Alternator Winding Material
Not available
Copper
Engine Oil Type
SAE10W30
10W-30
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14.4
17
Runtime @ 50% Load (Gasoline)
9.6
8
Runtime @ 50% Load (Propane)
Not available
3
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Mobility Components
Yes
Yes
Included Accessories
Oil, funnel, tool kit, key fob, propane hose, battery, and wheel kit
Funnel, tool kit, propane hose, battery charging cables, battery, and wheel kit
Warranty & identification
Commercial Warranty
3
3
Part Number
A075C509
Not available
Additional specs
Summary
The Cummins Onan P9500DF EFI is a 7,500-watt dual-fuel generator built for users who need sustained power across multiple load types. On gasoline, it delivers 7,500 running watts and 9,500 peak watts. On propane, it drops to 6,750 running watts and 8,550 peak watts, which means propane users sacrifice roughly 10 percent of output but gain extended storage life and cleaner emissions. The electronic fuel injection engine handles high-altitude operation up to 13,123 feet without modification, making it viable for mountain jobsites, remote cabins, and RV camps where carbureted engines would struggle. At 211.6 pounds with an included wheel kit, this generator demands stationary placement or two-person handling, but the 6.6-gallon fuel tank stretches runtime to 14.4 hours at 25 percent load on gasoline. This is a workhorse for contractors, emergency backup, and off-grid scenarios where fuel flexibility and durability matter more than portability.
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.
  • Most Powerful
    DuroMax XP13000EH
    10500W running
  • Quietest
    Cummins Onan P9500DF EFI
    74 dB
  • Longest Runtime
    Cummins Onan P9500DF EFI
    9.6h at 50% load
Where to buy
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Cummins Onan P9500DF EFI
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DuroMax XP13000EH
Store links
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