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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
  • Westinghouse WGen5300DFc
  • Model Onan P9500df
    Model Onan P9500df

    Cummins 7,500W Dual-Fuel Generator

    7500W
    Running
    74 dB
    Noise
    View details
  • Model WGen5300DFc
    Model WGen5300DFc

    Westinghouse 5,300W Dual-Fuel Generator

    5300W
    Running
    68 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 P9500dfWestinghouse WGen5300DFc
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Dual-Fuel
InverterNoNo
Parallel capableNoNo
RV readyNoYes
Running watts
Winner: Winner: 7500 W
5300 W
Starting watts
Winner: Winner: 9500 W
6600 W
Noise (lower limit)
74 dB
Winner: Winner: 68 dB
Weight
194 lbs
Winner: Winner: 135.6 lbs
Run time @50% load
Winner: Winner: 11 h
Not available
Run time @25% load
16 h
14.5 h
Fuel tank
6.6 gal
4.7 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
27.3 x 26.3 x 26.3
23.4 x 20.6 x 19.5
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available
Not available
GFCI outletsYesNo
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
23 %
23 %
Engine
Engine
420 cc Ducar OHV 4-stroke
274 cc OHV 4-stroke, cast iron sleeve
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil, Electric, Remote
Warranty
Warranty
3 years
3 years
Power by fuel
GasolineNot availableNot available
Running watts
7500 W
5300 W
Starting watts
9500 W
6600 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
11 h
11 h
Run time @25% load
16 h
Not available
PropaneNot availableNot available
Running watts
6750 W
4800 W
Starting watts
8550 W
5900 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
Not available
9 h
Run time @25% load
8 h
Not available
Other
Data center
Not available
Not available
Indicators
false
false
Compliance
EPA
CARB, EPA
Security
Not available
Not available
Spark arrestorYesYes
Neutral
true
Floating
UPC
690781007932
850011336717
Core / High-priority specs
Running Watts (Gasoline)
7500
5300
Running Watts (Propane)
6750
4800
Starting Watts (Gasoline)
9500
6600
Starting Watts (Propane)
8550
5900
Runtime @ 50% Load (Gasoline)
11
11
Runtime @ 50% Load (Propane)
Not available
9
Runtime @ 25% Load (Gasoline)
16
Not available
Runtime @ 25% Load (Propane)
8
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R)
1x Duplex 120V 20A (5-20R); 1x 120/240V 30A (L14-30R); 1x 120V 30A (TT-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Ducar OHV 4-stroke
274 cc OHV 4-stroke, cast iron sleeve
Engine Displacement
420
274
Cylinder Sleeve
Not available
Cast iron
Engine Oil Type
SAE 10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
16
Not available
Runtime @ 50% Load (Gasoline)
11
11
Runtime @ 50% Load (Propane)
Not available
9
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesYes
Included equipment
Starting Components
Not available
Recoil, Electric, Remote
Included Accessories
Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit
Oil, funnel, tool kit, key fob, battery charger, propane hose, and battery
Warranty & identification
Residential Warranty
Not available
3
Commercial Warranty
3
3
Part Number
A074Z438
Not available
Additional specs
Summary
The Cummins Onan P9500df is a 7500-watt dual-fuel generator built for users who need sustained power across multiple scenarios. Running on either gasoline or propane, it delivers 9500 peak watts, enough to start large air conditioning units or power multiple job site tools simultaneously. The dual-fuel architecture means users can switch between fuel sources based on availability and storage constraints. Propane tanks store longer without degradation, while gasoline offers wider accessibility. This flexibility makes the unit valuable for both seasonal backup power and year-round work environments. The 194-pound weight and 27.3 x 26.3 x 26.3 inch footprint define this as a semi-portable unit. The included wheel kit enables movement across job sites or between storage locations, but this is not a grab-and-go machine. Users planning frequent relocation should factor in the logistical demands. The three-year commercial warranty covers manufacturing defects, giving buyers defined ownership support across the critical early-use period.
The Westinghouse WGen5300DFc is a dual fuel portable generator designed for home backup and RV use, offering 6,600 peak watts and 5,300 running watts on gasoline, and 5,900 peak watts and 4,800 running watts on propane. It features a 274cc 4-Stroke OHV engine, push-button electric start with remote key fob, and runs up to 14.5 hours on a 4.7-gallon fuel tank. The generator includes automatic low oil and carbon monoxide shutdown, voltage regulation, and overload protection.
  • Most Powerful
    Cummins Onan P9500df
    7500W running
  • Quietest
    Westinghouse WGen5300DFc
    68 dB
  • Longest Runtime
    Cummins Onan P9500df
    11h at 50% load
Where to buy
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Cummins Onan P9500df
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Westinghouse WGen5300DFc
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