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Description
Zoom on the Cummins Onan P9500df
In a nutshell, the Cummins Onan P9500df is a portable generator mostly geared towards:
- 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 be able to deliver results, even during a power failure
In the following paragraphs, we shall explore the power characteristics, available outlets, portability, and any additional features of the device, along with its emission compliance information.
Power & Run Time
The Cummins Onan P9500df
The dual-fuel technology of the Cummins Onan P9500df allows for an output of 120/240V and provides superb power and versatility. If gasoline-powered, the device provides a running wattage of 7500W and a starting wattage of 9500W. If propane-powered, it gives 6750 rated watts and 8550 starting watts.
At a noise rating of 74 dBA (just slightly more noisy than a dishwasher), this generator can be started via a conventional pull-start mechanism, or a simple and elegant electric starter (battery included). Moreover, to offer you even more convenience, the Onan P9500df can also be remotely started (key fob included).
As for its running time, the Onan P9500df, along with its 6.6 gallons fuel capacity, can run for up to 16 hours with a full tank filled with gasoline (fuel consumption around 0.41 GPH). If propane is used, it can operate for up to 8 hours (on a 20 lbs tank - propane consumption around 0.59 GPH).
As the Onan P9500df has a relatively high THD (<23%), it is not recommended to use it to power sensitive electronic devices.
Outlets
The control panel includes the following 5 AC outlets:
Because the Onan P9500df is equipped with a twist-lock L14-30R receptacle, it is transfer switch ready: it can power your home during a power outage, as it can be easily connected to your breaker box to power your household.
Cummins' Smart Switch Outlet
The Onan P9500df has an identical outlet, but with a different name
The Onan P9500df features a special outlet that allows an automatic power transfer in case of a power outage.
To benefit from this feature, you'll need Cummins' Automatic Transfer Switch, which is not included with the generator.
As mentioned further up, since this unit is simply a Westinghouse generator in disguise, you can absolutely use the Westinghouse ST Switch (opens in a new tab) instead. It serves the exact same purpose.
Simply put, the ST Switch is a cost-effective and versatile portable automatic transfer switch, which can be installed quickly and easily, without the assistance of an electrician.
Plug the ST Switch into one of your household 120V outlets, plug your appliances to the ST Switch, and connect the Onan P9500df to the ST Switch via the special outlet and a 120V cord. The generator will automatically turn on when the power goes out, and automatically turn off when the power returns.
Portability
The dimensions of the Cummins Onan P9500df, which are L27.3 x W26.3 x H26.3 in, and its typical, open frame design provides stability and enables the generator to be raised above ground level. The featured design is ideal for the outdoors and all tough environments.
Since the generator weighs 194 lbs, it will be incredibly difficult to manually lift it and transport it, even though it is technically considered to 'be portable' (in the sense that it is movable). However, its challenging mobility is solved by its wheel kit (⌀10") and its folding handle, which will ease its displacement, once it is on the floor.
Features
The Onan P9500df's control panel
The Onan P9500df's control center features a convenient meter, which displays voltage, frequency and lifetime hours to aid you with the monitoring of its status and activity.
The fuel level of the generator can be determined quickly, easily, and conveniently with the help of its built-in fuel gauge.
Security-wise, this product benefits from an overload protection (circuit breaker) and an automatic low oil shut-off, which gives you a complete peace of mind when using it.
Besides the classic documentation and an owner's manual (opens in a new tab) to get you promptly started, the Cummins Onan P9500df also comes with some accessories: tool kit, oil, funnel, key fob, battery charger and propane hose are included.
Emissions
The Cummins Onan P9500df is EPA-approved and CARB-compliant. Thus, selling and purchasing this generator is allowed in each of the 50 states, including California.
Moreover, it features a spark arrestor, making it usable in forested areas.
Product Video
The Cummins Onan P9500df 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 compare to generators of similar power (between 7000 and 8000 W).
- Since the generator weighs in at a dry weight of 194 lbs, the Cummins Onan P9500df belongs in the expected weight range for devices which can produce between 7000 and 8000 rated watts. If you are concerned by weight, one of the champions in the above mentioned power range is the Sportsman GEN85KIDF, with a dry weight of just 133 pounds.
- Since the generator's noise is rated at 74 dBA, it has the roughly average expected noise for a device of similar power. For those who are looking for a less noisy device, we suggest the A-iPower SUA8000iSF. With just 65 dBA, it is one of the most quiet devices in this power range.
- As the Onan P9500df features an autonomy of up to 16 hours at 25% load, it has one of the highest run times in comparison to the other generators of its power range.
- The run time is important, but also hugely depends on the capacity of the fuel tank and doesn't mean much if we don't talk about fuel consumption as well. This generator has an average fuel consumption among comparably powerful devices, as it reaches 0.41 GPH (gallon per hour) at a 25% load. If fuel consumption is your top priority, we suggest to check out the Champion 100520, which has a fuel consumption of only 0.4 GPH and thus, is one of the most efficient devices in our database.
Price comparison
As you can see from this interactive chart, when compared to other 7000-8000W generators, the Cummins Onan P9500df is on the average side of the price range.
Therefore, this generator nicely fits in the expected budget for this kind of product.
The bottom line
- In the expected price range
- Several accessories included
- GFCI Outlets
- Remote start
- Dual Fuel
- Compatible with Westinghouse ST Switch
- High run time
- Decent weight (194 lbs)
- Acceptable noise (74 dBA)
- Decent fuel efficiency
The Cummins Onan P9500df doesn't have any notably low specs.
Features and Specifications
| Inverter | No |
|---|---|
| Portable | Yes |
| Parallel capable | No |
| RV ready | No |
| Fuel | Dual Fuel (gasoline/propane) |
| Engine | 420 cc Ducar OHV 4-stroke |
| Starting system | Recoil, Electric, Remote |
| Voltage | AC: 120/240V 60 Hz |
| Gasoline | Propane | |
|---|---|---|
| Running watts | 7500 W | 6750 W |
| Starting watts | 9500 W | 8550 W |
| Running amps (@120/240V) | 62.5/31.3 amps | 56.3/28.1 amps |
| Peaks amps (@120/240V) | 79.2/39.6 amps | 71.3/35.6 amps |
| Run time @50% load | 11 h | Unknown |
| Run time @25% load | 16 h | 8 h |
| GFCI outlets | Yes |
|---|---|
| Covered outlets | Yes |
| Automatic Voltage Regulation | Yes |
| AC outlets |
|
| DC outlets | No |
| Data center | VFT |
| Indicators | No |
| Fuel tank | Steel, 6.6 gal |
| Fuel gauge | Yes |
| Weight | 194 lbs |
|---|---|
| Approx. dimensions (L x W x H) | 27.3 x 26.3 x 26.3 in |
| Noise (lower limit) | 74 dBA |
| THD | < 23% |
| Emissions | CARB, EPA |
| Security | Low oil and overload protection |
| Spark arrestor | Yes |
| Neutral | Bonded to frame |
| Accessories included | Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and wheel kit |
| Warranty | 3 years |
| Other model numbers | A058U967 |
Unlike many websites, we did our best to research each of the specs above. That being said, we are not immune to making the occasional mistake or omission. Should you notice any missing or incorrect values, don't hesitate to suggest improvements so we can address the issue.
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 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?
| Item | Running Watts | Starting Watts | |
|---|---|---|---|
| At home | Sump pump (1/2 hp) | 1050 | 2150 |
| Furnace fan (1/2 hp) | 875 | 2350 | |
| Refrigerator (energy star) | 192 | 1192 | |
| Electric range | 2100 | 2100 | |
| Electric grill | 1650 | 1650 | |
| Radio | 100 | 100 | |
| Total | 5967 W | 7442 W | |
| For camping | Radiant heater | 1300 | 1300 |
| RV refrigerator | 180 | 600 | |
| Hair dryer | 1800 | 1900 | |
| Electric grill | 1650 | 1650 | |
| RV AC (11,000 BTU) | 1010 | 1600 | |
| 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 |
Couldn't find the right answer for you? Ask your own question.
