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Cummins Onan P9500DF EFI - 7500/9500W Dual Fuel Generator With Remote Start And EFI Engine

The Cummins Onan P9500DF EFI is a portable open frame dual fuel generator with a rated wattage of 7,500 W and a starting wattage of 9,500 W. (Read full specs)

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Cummins Onan P9500DF EFI
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Price history for the Cummins Onan P9500DF EFI

Current price is in the high range.
Lowest price $1,399.99
Highest price $1,700
Current price $1,700
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Description

Zoom on the Cummins Onan P9500DF EFI

In summary, the Cummins Onan P9500DF EFI is a portable generator especially useful for:

  • Food truck owners who want to ensure that their business is fully self-contained and does not rely on potentially unreliable external power
  • Homeowners who want to be sure of their ability to power their fridges, cooking tools, heating and lighting equipment during power failures
  • Professionals who want to ensure that a power failure will not prevent them from working

In the forthcoming sections, you'll delve into its power characteristics, the various outlets it offers, its overall portability, and the additional features it boasts.

Power & Run Time

Delivering 120/240V, the Cummins Onan P9500DF EFI is enhanced by dual-fuel technology, providing power and versatility. Running on gasoline, it boasts a running wattage of 7,500W and a starting wattage of 9,500W. Alternatively, when propane-powered, it delivers 6,750 running watts and 8,550 starting watts.

With a noise rating of 74 dBA (just slightly more noisy than a dishwasher), the generator features a simple traditional pull-start mechanism, but also a convenient and easy-to-use electric starter (battery included). Moreover, the Onan P9500DF EFI boasts remote starting functionality, adding another layer of convenience (key fob included).

The Electronic Fuel Injection (EFI) system enhances the engine's reliability, lowers fuel consumption, improves startup, reduces servicing, boosts stale fuel resistance, and offers better altitude adaptability.

In terms of running time, the Onan P9500DF EFI, equipped with a 6.6 gallons fuel tank, is capable of running continuously for up to 14.4 hours on a full gasoline tank (with fuel consumption estimated at around 0.46 gallons per hour). When utilizing propane, it provides up to 10.8 hours (on a 20 lbs tank - propane consumption around 0.44 GPH) of operation.

The quite high THD (<23%) of the Onan P9500DF EFI makes it unsuitable for powering sensitive electronic devices.

Outlets

The control panel is equipped with the following 5 AC outlets:

Two Duplexes 120V 20A (5-20R) GFCI
120/240V 30A (L14-30R) receptacle

It also sports 2 DC outlets: there's two 5V USB ports (USB-A) providing convenient charging capabilities for mobile phones, tablets, and other electronic devices.

Since it features a twist-lock L14-30R receptacle, the Onan P9500DF EFI is tailored to be transfer switch ready, making it easy to connect it to your breaker box for home power support during outages.

Portability

Measuring L27.3 x W20.6 x H22.6 in, the classic open frame build of the Cummins Onan P9500DF EFI delivers stability and easy maintenance access to components, facilitating air circulation. This type of design is ideal for tough environments and heavy outdoor use.

With a weight of 211.6 lbs, the generator is still labeled as 'portable,' denoting its ability to be moved, although its heaviness might restrict easy portability. Nevertheless, the restricted maneuverability is counteracted by its wheel kit (⌀10") and its folding handle, enabling easy shifting once the generator is set in place.

Features

To help you monitor the Onan P9500DF EFI's status and activity, its control panel is equipped with a convenient meter showing you voltage, frequency and lifetime hours.

A built-in fuel gauge allows for a quick, easy and convenient check of the fuel level of the generator.

From a security standpoint, the product offers an automatic low oil shut-off and an overload protection (circuit breaker), allowing you to use it with a peace of mind.

It also includes a carbon monoxide sensor. This sensor is designed to monitor the level of carbon monoxide present during the generator's operation. If the generator is positioned incorrectly and carbon monoxide levels rise to an unsafe level, the generator will automatically shut down.

Beyond the standard documentation and an owner's manual (opens in a new tab) to assist with setup, the Cummins Onan P9500DF EFI ships with supplementary accessories: tool kit, oil, funnel, propane hose and key fob.

The Cummins Onan P9500DF EFI versus other generators

The following charts are provided to give you an idea of how some of the key specs of the Cummins Onan P9500DF EFI compare to dual fuel generators of similar power (between 7000 and 8000 W).

  • With a dry weight of 211.6 lbs, the Cummins Onan P9500DF EFI sits comfortably within the expected weight range for dual fuel devices generating 7000 to 8000 rated watts. If weight is your top priority, one of the champions in this power category is the Sportsman GEN85KIDF, weighing just 133 pounds.
  • With noise emissions rated as low as 74 dBA, this generator falls within the typical noise range expected for devices of similar type and power. If you value reduced noise levels, the Champion 201175 could be worth considering. It's one of the quietest generators in its power range, rated at 61 dBA.
  • At a 50% load, the Onan P9500DF EFI offers around 9.6 hours of runtime on a full tank, placing it within the average autonomy range among dual fuel generators of similar power level. Concerning the run times, one of the several devices with a comparable output, offering the highest autonomy, is the Firman H07553, which is able to run for around 12 hours.
  • While the run time is an important parameter, it is dependent on the fuel tank's capacity and thus, doesn't say much on its own unless we consider fuel consumption as well. At a 50% load, the generator consumes an estimated 0.69 gallons of gasoline per hour, falling within the average consumption range of units with similar output. If gasoline efficiency is at the top of your list, you may want to have a look at the Cummins Onan P9500df, which has great fuel efficiency, with a gas consumption of only 0.6 gallons per hour.

Price comparison

As you can see from these interactive charts, when compared to other 7000-8000W dual fuel generators, the Cummins Onan P9500DF EFI is on the expensive side of the price range.

While certainly not the cheapest of its kind, purchasing it would most likely also mean enjoying the reliability of a high-end product.

The bottom line

STRENGTHS:
  • Dual fuel
  • CO sensor
  • Several accessories included
  • GFCI Outlets
  • Remote start
  • Electronic Fuel Injection
AVERAGE SPECS:
  • Decent weight (211.6 lbs)
  • Acceptable noise (74 dBA)
  • Decent run time
  • Decent fuel efficiency
WEAKNESSES:
  • On the expensive side
  • No 50-amp output

Do you own the Cummins Onan P9500DF EFI and agree (or disagree) with these strengths and weaknesses?

Let us know and write your own review.

Features and Specifications

General
InverterNo
Parallel capableNo
RV readyNo
FuelDual Fuel (gasoline/propane)
Engine420 cc OHV 4-stroke
Starting systemRecoil, Electric, Remote
Warranty3 years
VoltageAC: 120/240V 60 Hz, DC: 5V
Power
GasolinePropane
Running watts7,500 W6,750 W
Starting watts9,500 W8,550 W
Running amps (@120/240V)62.5/31.3 amps56.3/28.1 amps
Peak amps (@120/240V)79.2/39.6 amps71.3/35.6 amps
Run time @50% load9.6 hUnknown
Run time @25% load14.4 h10.8 h
Features
GFCI outletsYes
Covered outletsYes
Automatic Voltage RegulationYes
AC outlets
  • 2x Duplex 120V 20A (5-20R) GFCI
  • 1x 120/240V 30A (L14-30R)
DC outlets2x 5V USB port (USB-A)
Data centerVFT
IndicatorsNo
Fuel tank6.6 gal
Fuel gaugeYes
Misc
Weight211.6 lbs
Approx. dimensions (L x W x H)27.3 x 20.6 x 22.6 in
Noise (lower limit)74 dBA
THD< 23%
ComplianceCARB, EPA, ANSI/PGMA G300-2023
SecurityLow oil and overload protection, CO monitoring
Spark arrestorYes
NeutralBonded to frame
Accessories includedOil, funnel, tool kit, key fob, propane hose, battery, and wheel kit
Other model numbersA075C509

We've taken extra care to research and verify each of the specifications above. That said, occasional mistakes or omissions are still possible. If you spot any missing or inaccurate information, feel free to suggest a correction so we can address it.

Spec Improvement×

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About Cummins

Cummins is a NYSE publicly traded, Fortune 500 corporation dealing in the power sector and heavy industry. Founded in 1919 in Columbus, IN, by William Glanton Irwin and Clessie Cummings, Cummins focused on the development of diesel engines. However, the company truly came to bloom only after the WWII, with the nationwide road expansion and went finally global in the 1960s, with its heavy-duty trucks. Cummins has, over the years, offered a wide variety of power solutions, from actual power plants to RV generators. Yet, the company has only recently dipped its foot into the portable generator market. The company currently offers a small selection of both conventional and inverter generators under the Onan product line, formerly the Cummins Onan brand.

Warranty Information

The Cummins Onan P9500DF EFI is covered under a warranty for up to 3 years. This warranty may be limited and may not cover all parts of the generator.
For more information about the warranty of Cummins generators, please contact the Cummins Customer Support: 1-800-CUMMINS (800-286-6467).

Questions & Answers

What can it power?
Examples of items that can be simultaneously powered.
The examples below are based on a maximum load of 80% and estimated wattages. For a more accurate estimation, use our generator sizing calculator.
Item Running Watts Starting Watts
At home Microwave (1000 watts) 1500 1500
Dish washer 1500 3000
AC (10,000 BTU) 1500 2200
Sump pump (1/2 hp) 1050 2150
Refrigerator (energy star) 192 1192
Satelite receiver 250 250
Total 5992 W 7492 W
For camping RV AC (11,000 BTU) 1010 1600
RV refrigerator 180 600
Hair dryer 1800 1900
Electric grill 1650 1650
Radiant heater 1300 1300
Set of 5 LED light bulbs 55 55
Total 5995 W 6585 W
For work Table saw 1800 4500
Air compressor (1 hp) 1600 6100
Grinder 1400 2500
Bug zapper 80 80
Total 4880 W 9380 W

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