All GeneratorsDealsCompareMy PicksGenerator Finder
All GeneratorsDealsCompareMy PicksGenerator Finder
  • Guides
  • Blog
  • FAQ
  • Rankings

Helping you find the right generator for your needs with objective specs and clear comparisons.

Categories

  • Quiet Generators
  • Inverter Generators
  • Dual-Fuel
  • Home Backup
  • Portable
  • All Brands

Resources

  • Rankings
  • Compare Generators
  • Generator Finder
  • Deals
  • Buying Guides
  • Blog
  • FAQ
  • About Us

Legal

  • Terms of Service
  • Privacy Policy
  • DMCA
  • Disclosures

Disclosure

RightGenerator is reader-supported. When you buy through links on our site, we may earn an affiliate commission at no cost to you.

© 2026 RightGenerator. All rights reserved.

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
  • VEVOR GF9700E-A2
  • Model Onan P9500df
    Model Onan P9500df

    Cummins 7,500W Dual-Fuel Generator

    7500W
    Running
    74 dB
    Noise
    View details
  • Model GF9700E-A2
    Model GF9700E-A2

    VEVOR 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 P9500dfVEVOR GF9700E-A2
General
Product type
Generator
Generator
Fuel
Dual-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 7500 W
7000 W
Starting watts
9500 W
Winner: Winner: 9625 W
Noise (lower limit)
Winner: Winner: 74 dB
0 dB
Weight
194 lbs
Winner: Winner: 185.2 lbs
Run time @50% load
Winner: Winner: 11 h
Not available—
Run time @25% load
16 h
Not available—
Fuel tank
6.6 gal
8.7 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
27.3 x 26.3 x 26.3
Not available—
Electrical
Voltage (AC)
120/240
Not available—
Voltage (DC)
Not available—
Not available—
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
23 %
0 %
Engine
Engine
420 cc Ducar OHV 4-stroke
Not available—
Alternator
Not available—
Not available—
Starting system
Recoil, Electric, Remote
Not available—
Warranty
Warranty
3 years
0 years
Power by fuel
GasolineNot available—Not available—
Running watts
7500 W
7000 W
Starting watts
9500 W
9625 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
Not available—
Run time @25% load
16 h
Not available—
PropaneNot available—Not 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
Not available—
Compliance
EPA
Not available—
Security
Not available—
Not available—
Spark arrestorYesNo
Neutral
true
Not available—
UPC
690781007932
Not available—
Core / High-priority specs
Generator Type
Not available—
Generator
Running Watts (Gasoline)
7500
7000
Running Watts (Propane)
6750
Not available—
Starting Watts (Gasoline)
9500
9625
Starting Watts (Propane)
8550
Not available—
Runtime @ 50% Load (Gasoline)
11
Not available—
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)
Not available—
Electrical & power
Frequency
60
Not available—
Engine & construction
Engine Type
Ducar OHV 4-stroke
Not available—
Engine Displacement
420
Not available—
Engine Oil Type
SAE 10W-30
Not available—
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
16
Not available—
Runtime @ 50% Load (Gasoline)
11
Not available—
Outlets & connections
Transfer Switch ReadyNoNo
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available—
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesNo
Included equipment
Included Accessories
Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit
Not available—
Warranty & identification
Commercial Warranty
3
Not available—
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 VEVOR GF9700E-A2 is a gasoline-powered generator rated at 7,000 running watts. This output level positions it to run multiple household circuits simultaneously, power job site tools, or serve as backup for a mid-sized home during an outage. The 9,625 peak wattage gives it headroom to start high-inrush appliances like air compressors and refrigeration units without stalling. With an 8.7 gallon fuel tank, the generator holds enough gasoline for extended operating sessions. The large tank capacity means fewer refueling interruptions during extended use, a practical advantage for remote job sites or emergency backup scenarios where frequent fuel runs are inconvenient.
  • 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.
VEVOR GF9700E-A2
Store links
No links yet.
Disclosure: Some links may be affiliate links. Specs and comparisons are never hidden.