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  • Cummins Onan P9500DF EFI
  • Aceup Energy AG1000
  • Model Onan P9500DF EFI
    Model Onan P9500DF EFI

    Cummins 7,500W Dual-Fuel Generator

    7500W
    Running
    74 dB
    Noise
    View details
  • Model AG1000
    Model AG1000

    Aceup Energy 800W Gas Generator

    800W
    Running
    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 EFIAceup Energy AG1000
General
Product type
Generator
Not available
Fuel
Dual-Fuel
Gasoline
InverterNoNo
Parallel capableNoNo
RV readyNoNo
Running watts
Winner: Winner: 7500 W
800 W
Starting watts
Winner: Winner: 9500 W
1000 W
Noise (lower limit)
Winner: Winner: 74 dB
Not available
Weight
211.6 lbs
Winner: Winner: 35.3 lbs
Run time @50% load
Winner: Winner: 9.6 h
6 h
Run time @25% load
14.4 h
Not available
Fuel tank
6.6 gal
1.1 gal
Fuel gaugeYesNo
Approx. dimensions (L × W × H)
27.3 x 20.6 x 22.6
Not available
Electrical
Voltage (AC)
120/240
120
Voltage (DC)
5
Not available
GFCI outletsYesNo
Covered outletsYesNo
Automatic Voltage RegulationYesNo
THD
23 %
Not available
Engine
Engine
420 cc OHV 4-stroke
Aceup Single Cylinder, 2 Cycle Engine
Alternator
Not available
Not available
Starting system
Recoil, Electric, Remote
Recoil start
Warranty
Warranty
3 years
Not available
Power by fuel
GasolineNot availableNot available
Running watts
7500 W
800 W
Starting watts
9500 W
1000 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
6 h
Run time @25% load
14.4 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
10.8 h
Not available
Other
Data center
Not available
Not available
Indicators
false
Not available
Compliance
CARB, EPA, ANSI/PGMA G300-2023
Not available
Security
Not available
Not available
Spark arrestorYesNo
Neutral
true
Not available
UPC
Not available
Not available
Core / High-priority specs
Running Watts (Gasoline)
7500
800
Running Watts (Propane)
6750
Not available
Starting Watts (Gasoline)
9500
1000
Starting Watts (Propane)
8550
Not available
Runtime @ 50% Load (Gasoline)
9.6
6
Runtime @ 25% Load (Gasoline)
14.4
Not available
Runtime @ 25% Load (Propane)
10.8
Not available
AC Outlet Types
2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R)
120V AC outlet
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
OHV 4-stroke
2-stroke
Engine Displacement
420
71
Engine Oil Type
SAE10W30
Mixing oil (50:1)
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
14.4
Not available
Runtime @ 50% Load (Gasoline)
9.6
6
Safety & compliance
Overload Protection System
Low oil and overload protection
Not available
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesNo
Included equipment
Mobility Components
Yes
Not available
Included Accessories
Oil, funnel, tool kit, key fob, propane hose, battery, and wheel kit
1000W Generator, User Manual, Spark Plug Wrench, Oil Measuring Cup, Handle
Warranty & identification
Residential Warranty
Not available
2
Commercial Warranty
3
Not available
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 Aceup Energy AG1000 is a gasoline-powered generator with a rated wattage of 800 watts and a peak wattage of 1000 watts. It features a recoil start and is designed for portable use.
  • Most Powerful
    Cummins Onan P9500DF EFI
    7500W 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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Aceup Energy AG1000
Store links
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