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  • Cummins Onan P9500df
  • ECHO EG-10000
  • Model Onan P9500df
    Model Onan P9500df

    Cummins 7,500W Dual-Fuel Generator

    7500W
    Running
    74 dB
    Noise
    View details
  • Model EG-10000
    Model EG-10000

    ECHO 7,500W Gas Generator

    7500W
    Running
    84 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 P9500dfECHO EG-10000
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 7500 W
Winner: Winner: 7500 W
Starting watts
9500 W
Winner: Winner: 10000 W
Noise (lower limit)
Winner: Winner: 74 dB
84 dB
Weight
Winner: Winner: 194 lbs
212 lbs
Run time @50% load
Winner: Winner: 11 h
8 h
Run time @25% load
16 h
Not available
Fuel tank
6.6 gal
6.6 gal
Fuel gaugeYesYes
Approx. dimensions (L × W × H)
27.3 x 26.3 x 26.3
29 x 27 x 24
Electrical
Voltage (AC)
120/240
120/240
Voltage (DC)
Not available
12
GFCI outletsYesYes
Covered outletsYesYes
Automatic Voltage RegulationYesYes
THD
23 %
Not available
Engine
Engine
420 cc Ducar OHV 4-stroke
420 cc Rato 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
7500 W
Starting watts
9500 W
10000 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
8 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
Bonded to frame
UPC
690781007932
743184017593
Core / High-priority specs
Running Watts (Gasoline)
7500
7500
Running Watts (Propane)
6750
Not available
Starting Watts (Gasoline)
9500
10000
Starting Watts (Propane)
8550
Not available
Runtime @ 50% Load (Gasoline)
11
8
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) GFCI; 1x 120V 30A (L5-30R); 1x 120/240V 30A (L14-30R)
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
Ducar OHV 4-stroke
Rato OHV 4-stroke
Engine Displacement
420
420
Engine Oil Type
SAE 10W-30
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
16
Not available
Runtime @ 50% Load (Gasoline)
11
8
Safety & compliance
Overload Protection System
Low oil and overload protection
Low oil and overload protection
Low Oil ProtectionYesYes
Carbon Monoxide MonitoringYesNo
Included equipment
Starting Components
Not available
Recoil, Electric
Included Accessories
Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit
Battery and wheel kit
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 ECHO EG-10000 is a 7,500-watt running generator built around a 420 cc Rato OHV 4-stroke engine. Peak output reaches 10,000 watts, making it capable of powering multiple heavy appliances and job site tools simultaneously. A 6.6-gallon fuel tank delivers 8 hours of runtime at 50% load, which means users can sustain mid-range power draws through a full workday without refueling. The gasoline engine and dual starting system (recoil and electric) give users flexibility in how they bring the unit online. This is a stationary or semi-portable workhorse, not a grab-and-go unit.
  • 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
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Cummins Onan P9500df
Store links
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ECHO EG-10000
Store links
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