Skip to content

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.

  • Cummins Onan P9500df
  • DEWALT DXGNR7000
  • Model Onan P9500df
    Model Onan P9500df

    Cummins 7,500W Dual-Fuel Generator

    7500W
    Running
    74 dB
    Noise
    View details
  • Model DXGNR7000
    Model DXGNR7000

    DEWALT 7,000W Gas Generator

    7000W
    Running
    0 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 P9500dfDEWALT DXGNR7000
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 7500 W
7000 W
Starting watts
Winner: Winner: 9500 W
8750 W
Noise (lower limit)
Winner: Winner: 74 dB
0 dB
Weight
194 lbs
Winner: Winner: 192 lbs
Run time @50% load
Winner: Winner: 11 h
Winner: Winner: 11 h
Run time @25% load
16 h
Not available
Fuel tank
6.6 gal
7.5 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
27.3 x 26.3 x 26.3
27.2 x 27.4 x 28.5
Electrical
Voltage (AC)
120/240
120/240V 60 Hz
Voltage (DC)
Not available
Not available
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
23 %
Not available
Engine
Engine
420 cc Ducar OHV 4-stroke
Dewalt OHV 4-stroke
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
7000 W
Starting watts
9500 W
8750 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
Not available
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
Not available
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
true
UPC
690781007932
696471619331
Core / High-priority specs
Running Watts (Gasoline)
7500
7000
Running Watts (Propane)
6750
Not available
Starting Watts (Gasoline)
9500
8750
Starting Watts (Propane)
8550
Not available
Runtime @ 50% Load (Gasoline)
11
11
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)
2x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Ducar OHV 4-stroke
OHV 4-stroke
Engine Displacement
420
420
Engine Oil Type
SAE 10W-30
SAE 30 above 40°F, 10W-30 between -10 and 40°F, and synthetic 5W-30 for all temperatures
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
16
Not available
Runtime @ 50% Load (Gasoline)
11
11
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit
Oil, tool kit, battery charger, battery, wheel kit
Warranty & identification
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 DEWALT DXGNR7000 is a 7000-watt gasoline generator built for job sites and home backup power. With 8750 starting watts, it can spin up heavy tools like air compressors and table saws while simultaneously powering multiple devices. The 7.5-gallon fuel tank stretches runtime to 11 hours at 50% load, meaning a full day of work or an extended outage without refueling. This is a stationary workhorse, not a portable weekend unit. The dual electric and recoil starting system removes the guesswork from cold-weather startups. DEWALT's OHV 4-stroke engine and three-year commercial warranty signal a tool built to earn its keep on active job sites.
  • Most Powerful
    Cummins Onan P9500df
    7500W running
  • Quietest
    Cummins Onan P9500df
    74 dB
  • Longest Runtime
    Cummins Onan P9500df
    11h at 50% load
Where to buy
Prices can change. We update these automatically.
Cummins Onan P9500df
Store links
No links yet.
DEWALT DXGNR7000
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.