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Compare key features and find out which option offers the best value and reliability. See how the Cummins Onan P9500DF measures up with 144 key specs & features. Start with product type, running wattage, starting wattage & fuel type and go deep into what makes this tool tick.
1.73 dB lower noise level Measures the generator’s operating noise output in decibels, representing how loud the unit is during normal operation. 65.0 dB vs 66.7 dB
A fast snapshot of the Cummins Onan P9500DF, covering its standout specification and what you can expect right out of the box.
Cummins Onan P9500DF
The Cummins Onan P9500DF is a powerful dual-fuel generator capable of running on gasoline or propane. It delivers high output suitable for home backup and heavy-duty applications. Built with durability and versatility in mind, it ensures reliable power during outages or remote use.
Quick Specs Breakdown
The key specs that actually matter—no fluff, no guesswork
Here’s a streamlined view of the Cummins Onan P9500DF key specifications. Compare critical features at a glance before exploring the full specs and hands-on insights below.
General Information
Product Type
What type of generator is this?
Portable Generator
Power & Electrical Output
Running Wattage
What is the running wattage?
7500 Watt
Starting Wattage
What is the starting wattage?
9500 Watt
Engine & Fuel System
Fuel Type
What fuel does it use?
Dual Fuel
Fuel Tank Capacity
How large is the fuel tank?
6.6 gal
Noise & Emissions
Noise Level
What is the noise level of the generator?
65 dB
Dimensions & Weight
Weight
How much does the generator weigh?
200 lbs
Controls & Connectivity
Display Type
What type of display is included?
LED
Remote Start Capability
Can it be started remotely?
Yes
Specifications & Facts 144
Specs measured. Drama avoided.
Not just numbers on a box. We looked at how the Cummins Onan P9500DF actually performs with specs like product type, running wattage, starting wattage & fuel type and others that users rely on daily.
0 Generators in this range 120V, 240V, Twist Lock, 12V
Cummins Onan P9500DF
Outlet types include 120V, 240V, GFCI outlets for safety, and a 12V outlet for battery charging or DC loads.
Describes the types of electrical outlets supported.
When it comes to Outlet Types, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Outlet Types on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Voltage Output
What voltage does it output?
240 Volt 0Votes
213.02 Volt (Average)
Cummins Onan P9500DF
Voltage output is 240 Volts, enabling use of higher power appliances and tools.
Specifies the electrical voltage produced by the generator.
When it comes to Voltage Output, Cummins Onan P9500DF ◉ is better than generator in this range ◉ , delivering higher 27.0 Volt measurement.
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Cummins Onan P9500DF Power Factor
What is the power factor level?
0 Cummins Onan P9500DF 0 Votes Standard
0 Generators in this range Standard
Cummins Onan P9500DF
A standard power factor indicates typical efficiency in converting input power to usable electrical power.
Indicates the efficiency of power delivery from the generator to connected loads, expressed as a qualitative performance level rather than a numeric ratio.
When it comes to Power Factor, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
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Cummins Onan P9500DF Automatic Voltage Regulation
Does it regulate voltage automatically?
Yes 0Votes Cummins Onan P9500DF
Yes Generators in this range
Maintains consistent voltage under varying loads.
When it comes to Automatic Voltage Regulation, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
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Cummins Onan P9500DF Amperage Output
What is the amperage output?
31.25 Amp 0Votes
57.84 Amp (Average)
Indicates the maximum current the generator can supply.
When it comes to Amperage Output, Cummins Onan P9500DF ◉ is worse than generator in this range ◉ , delivering equal 26.6 Amp measurement.
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Cummins Onan P9500DF Total Harmonic Distortion (THD)
When it comes to Total Harmonic Distortion (THD), Cummins Onan P9500DF ◉ is worse than generator in this range ◉ , delivering equal 1.1 % measurement.
Don’t keep it to yourself — be the first to react and review the Total Harmonic Distortion (THD) on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Number of Power Outlets
How many outlets are available?
0 Cummins Onan P9500DF 0 Votes 6
0 Generators in this range 3
Counts the total available electrical outlets on the generator.
When it comes to Number of Power Outlets, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Number of Power Outlets on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF DC Output
Does it support DC output?
Yes 0Votes Cummins Onan P9500DF
generator in this range Who knows? (Help us out by suggesting one!)
Indicates whether the generator provides DC power output.
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Cummins Onan P9500DF USB Output
Are USB outputs included?
No 0Votes Cummins Onan P9500DF
generator in this range Who knows? (Help us out by suggesting one!)
Shows if USB ports are available for small devices.
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Cummins Onan P9500DF Parallel Capability
Can it run in parallel?
No 0Votes Cummins Onan P9500DF
generator in this range Who knows? (Help us out by suggesting one!)
Allows multiple generators to be connected together for more power.
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Cummins Onan P9500DF Continuous Load Capacity
What continuous load can it handle?
80 % 0Votes
133.34 % (Average)
The percentage of load the generator can handle continuously.
When it comes to Continuous Load Capacity, Cummins Onan P9500DF ◉ is worse than generator in this range ◉ , delivering equal 53.3 % measurement.
Don’t keep it to yourself — be the first to react and review the Continuous Load Capacity on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Surge Handling Capability
How much surge can it handle?
9,500 Watt 0Votes
12,865.18 Watt (Average)
Describes how well the generator manages sudden power surges.
When it comes to Surge Handling Capability, Cummins Onan P9500DF ◉ is worse than generator in this range ◉ , delivering equal 3,365.2 Watt measurement.
Don’t keep it to yourself — be the first to react and review the Surge Handling Capability on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Power Stability Rating
How stable is the power output?
0 Cummins Onan P9500DF 0 Votes Standard
0 Generators in this range Stable
Qualitative assessment of output consistency.
When it comes to Power Stability Rating, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Power Stability Rating on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Inverter Technology
Does it use inverter technology?
No 0Votes Cummins Onan P9500DF
generator in this range Who knows? (Help us out by suggesting one!)
Indicates whether inverter-based power generation is used.
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When it comes to Fuel Tank Capacity, Cummins Onan P9500DF ◉ is worse than generator in this range ◉ , delivering equal 7.5 gal measurement.
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Cummins Onan P9500DF Engine Type
What type of engine does it use?
0 Cummins Onan P9500DF 0 Votes OHV
0 Generators in this range OHV
Cummins Onan P9500DF
Overhead valve (OHV) engine type is more efficient and durable than flathead designs.
Defines the mechanical engine design used to generate power.
When it comes to Engine Type, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
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Cummins Onan P9500DF Engine Brand Type
What engine brand type is used?
0 Cummins Onan P9500DF 0 Votes OEM
0 Generators in this range OEM
Cummins Onan P9500DF
The engine is OEM branded, meaning it's made by the original equipment manufacturer for quality assurance.
Indicates whether the engine is in-house or externally sourced.
When it comes to Engine Brand Type, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
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Cummins Onan P9500DF Fuel Injection Type
Is it carbureted or fuel injected?
0 Cummins Onan P9500DF 0 Votes Carbureted
0 Generators in this range Carbureted
Cummins Onan P9500DF
Uses a carbureted fuel injection system, a traditional and easy-to-maintain design.
Indicates how fuel is delivered to the engine.
When it comes to Fuel Injection Type, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Fuel Injection Type on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Oil Capacity
How much oil does it hold?
1.1 qt 0Votes
2.08 qt (Average)
Cummins Onan P9500DF
Oil capacity is 1.1 quarts (1.04 liters), indicating the engine's lubricant volume needed for operation.
Shows how much oil the engine requires.
When it comes to Oil Capacity, Cummins Onan P9500DF ◉ is worse than generator in this range ◉ , delivering equal 1.0 qt measurement.
Don’t keep it to yourself — be the first to react and review the Oil Capacity on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Fuel Consumption Rate
How much fuel does it consume?
0.5 gal 0Votes
1.53 gal (Average)
Shows how quickly fuel is consumed during operation.
When it comes to Fuel Consumption Rate, Cummins Onan P9500DF ◉ is better than generator in this range ◉ , delivering higher 1.0 gal measurement.
Don’t keep it to yourself — be the first to react and review the Fuel Consumption Rate on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Low Oil Shutdown
Does it have low-oil shutdown?
Yes 0Votes Cummins Onan P9500DF
Yes Generators in this range
Automatically shuts down the engine if oil is low.
When it comes to Low Oil Shutdown, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Low Oil Shutdown on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Displacement
What is the engine displacement?
420 cc 0Votes
898.67 cc (Average)
Measures the engine’s cylinder volume, influencing power potential.
When it comes to Displacement, Cummins Onan P9500DF ◉ is worse than generator in this range ◉ , delivering equal 478.7 cc measurement.
Don’t keep it to yourself — be the first to react and review the Displacement on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Number of Cylinders
How many cylinders does it have?
0 Cummins Onan P9500DF 0 Votes 1
0 Generators in this range 1
States how many cylinders the engine has.
When it comes to Number of Cylinders, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Number of Cylinders on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Runtime Performance
How is the runtime performance?
0 Cummins Onan P9500DF 0 Votes Long
0 Generators in this range Long
Describes the generator’s overall operating duration on a full fuel tank across typical load conditions, expressed as a qualitative runtime level.
When it comes to Runtime Performance, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Runtime Performance on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Carburetor Type
What carburetor type is included?
0 Cummins Onan P9500DF 0 Votes Standard
0 Generators in this range Standard
Describes the carburetor configuration used.
When it comes to Carburetor Type, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Carburetor Type on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Oil Type
What oil type is recommended?
0 Cummins Onan P9500DF 0 Votes SAE 10W-30
0 Generators in this range SAE 10W-30
Specifies the recommended engine oil type.
When it comes to Oil Type, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Oil Type on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Fuel Gauge
Is there a fuel gauge?
Yes 0Votes Cummins Onan P9500DF
Yes Generators in this range
Displays the current fuel level in the tank.
When it comes to Fuel Gauge, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Fuel Gauge on Cummins Onan P9500DF ◉ and help others decide!
Performance & Efficiency 13
Cummins Onan P9500DF Load Response Time
How fast does it respond to load changes?
2 sec 0Votes
2.68 sec (Average)
Cummins Onan P9500DF
Load response time of 2 seconds shows how quickly the generator adjusts to changes in load demand.
Time taken to stabilize output when load changes suddenly.
When it comes to Load Response Time, Cummins Onan P9500DF ◉ is better than generator in this range ◉ , delivering higher 0.7 sec measurement.
Don’t keep it to yourself — be the first to react and review the Load Response Time on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Energy Conversion Type
What energy conversion type is used?
0 Cummins Onan P9500DF 0 Votes Electromechanical
0 Generators in this range Electromechanical
Cummins Onan P9500DF
Uses electromechanical energy conversion, typical for many conventional generators, balancing performance and cost.
Describes how energy is converted into electricity.
When it comes to Energy Conversion Type, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Energy Conversion Type on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Cold Start Performance
How does it perform in cold starts?
0 Cummins Onan P9500DF 0 Votes Standard
0 Generators in this range Enhanced
Cummins Onan P9500DF
The cold start performance is standard, meaning it operates reliably under typical temperature conditions but may need caution in extreme cold environments.
Indicates ease of starting in low temperatures.
When it comes to Cold Start Performance, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Cold Start Performance on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Maximum Continuous Operation Time
How long can it run continuously?
11 hours 0Votes
14.43 hours (Average)
Longest duration the generator can run continuously.
When it comes to Maximum Continuous Operation Time, Cummins Onan P9500DF ◉ is worse than generator in this range ◉ , delivering equal 3.4 hours measurement.
Don’t keep it to yourself — be the first to react and review the Maximum Continuous Operation Time on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Fuel Efficiency Rating
How fuel-efficient is the generator?
0 Cummins Onan P9500DF 0 Votes Moderate
0 Generators in this range Moderate
Overall assessment of how efficiently fuel is converted into power.
When it comes to Fuel Efficiency Rating, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Fuel Efficiency Rating on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Voltage Stability Under Load
How stable is voltage under load?
0 Cummins Onan P9500DF 0 Votes Good
0 Generators in this range Excellent
Indicates how well voltage remains steady under varying loads.
When it comes to Voltage Stability Under Load, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Voltage Stability Under Load on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Frequency Stability
How stable is the frequency output?
0 Cummins Onan P9500DF 0 Votes Stable
0 Generators in this range Stable
Measures consistency of output frequency during operation.
When it comes to Frequency Stability, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Frequency Stability on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Power to Weight Ratio
What is the power-to-weight ratio?
40 Watt 0Votes
79.63 Watt (Average)
Compares power output relative to generator weight.
When it comes to Power to Weight Ratio, Cummins Onan P9500DF ◉ is worse than generator in this range ◉ , delivering equal 39.6 Watt measurement.
Don’t keep it to yourself — be the first to react and review the Power to Weight Ratio on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Eco Mode
Does the generator have eco mode?
No 0Votes Cummins Onan P9500DF
generator in this range Who knows? (Help us out by suggesting one!)
Automatically adjusts engine speed based on power demand to improve fuel efficiency, reduce noise, and extend runtime during low-load operation.
Don’t keep it to yourself — be the first to react and review the Eco Mode on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Thermal Efficiency
What is the thermal efficiency?
30 % 0Votes
29.95 % (Average)
Indicates how well heat energy is converted into mechanical power.
When it comes to Thermal Efficiency, Cummins Onan P9500DF ◉ is better than generator in this range ◉ , delivering higher 0.1 % measurement.
Don’t keep it to yourself — be the first to react and review the Thermal Efficiency on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Overload Recovery Time
How quickly does it recover from overload?
5 sec 0Votes
3.84 sec (Average)
Time required to recover normal output after overload.
When it comes to Overload Recovery Time, Cummins Onan P9500DF ◉ is worse than generator in this range ◉ , delivering equal 1.2 sec measurement.
Don’t keep it to yourself — be the first to react and review the Overload Recovery Time on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Start Reliability Rating
How reliable is starting?
0 Cummins Onan P9500DF 0 Votes Good
0 Generators in this range Excellent
Likelihood of successful starts under normal conditions.
When it comes to Start Reliability Rating, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
Don’t keep it to yourself — be the first to react and review the Start Reliability Rating on Cummins Onan P9500DF ◉ and help others decide!
Cummins Onan P9500DF Altitude Performance Rating
How does it perform at altitude?
0 Cummins Onan P9500DF 0 Votes Sea Level
0 Generators in this range Sea Level
Describes performance effectiveness at higher elevations.
When it comes to Altitude Performance Rating, Cummins Onan P9500DF ◉ is same as generator in this range ◉ .
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Moderator 
