Ryobi RY909500 - 8000/9500W Portable Generator
The Ryobi RY909500 is a portable open frame generator with a rated wattage of 8,000 W and a starting wattage of 9,500 W. (Read full specs)
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Description
This generator delivers 8000 running watts and 9500 starting watts, allowing you to run everything from large appliances and A/C units to heaters and heavy-duty corded power tools. Ideal for use on jobsites and for storm backup, this generator is a reliable source of power for demanding job site tasks and home power outages.
Zoom on the Ryobi RY909500
To sum up, the Ryobi RY909500 is a portable generator tailored for:
- Food van owners who know that just a short power outage could lose them hundreds of dollars
- Homeowners who want to be able to use the most necessary devices in their household, even during a blackout
- Professionals who want to be able to deliver results, even during a power failure
The subsequent sections will explore in detail its power characteristics, the diverse outlets it provides, its overall portability, and the supplementary features it offers.
Power & Run Time
The Ryobi RY909500's core is the 500 cc OHV 4-stroke engine, which runs on gasoline. With an output of 120/240V, it provides a running wattage of 8,000W and a peak wattage of 9,500W.
With a noise rating of 85 dBA (just slightly more noisy than garbage disposal), the generator features a traditional recoil pull-start mechanism.
The RY909500's fuel tank holds 6 gallons, ensuring uninterrupted operation for around 7.5 hours at 50% load with a full tank (fuel consumption approximately 0.8 GPH).
Given the RY909500's high Total Harmonic Distortion (THD) of less than 20%, it is advisable to avoid using it to power sensitive electronic devices.
Outlets
The control panel features 5 AC outlets as follows:
Equipped with a twist-lock L14-30R receptacle, the RY909500 is engineered to be transfer switch ready, enabling simple hookup to your breaker box to provide backup power for your home during blackouts.
Portability
Measuring L31 x W29 x H24 in, the classic open frame construction of the Ryobi RY909500 provides stability while enabling convenient maintenance access to components and adequate air cooling. The featured design is ideal for the outdoors and all tough environments.
Since the generator weighs 198 lbs, it could be potentially be 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, the lack of maneuverability can be offset with its wheel kit (⌀10") and its folding handle, which allows for convenient shifting once the generator is placed on the ground.
Features
To help you monitor the RY909500's status and activity, its control panel is equipped with a convenient meter, providing voltage, frequency, and lifetime hours data.
Regarding security, the generator comes with an automatic low oil shut-off and an overload protection (circuit breaker), providing peace of mind during operation.
It also benefits from Ryobi's CO DETECT technology, which 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.
Besides the usual set of documentation and owner's manual (opens in a new tab) to get you promptly started, Ryobi also included some oil in the RY909500's packaging.
The Ryobi RY909500 versus other generators
The following charts are provided to give you an idea of how some of the key specs of the Ryobi RY909500 compare to generators of similar power (between 7500 and 8500 W).
- At 198 lbs dry, the Ryobi RY909500 is consistent with the standard weight profile for devices ranging from 7500 to 8500 rated watts. In terms of weight, one of the champions in their power range is the Genmax GM10500XiT, standing at just 123.5 lbs.
- When comparing it to devices with a similar running wattage, this generator's lowest noise level of 85 dBA puts it alongside the noisier units. If noise is a concern for you, you could consider the DuroMax XP9500iHT, which is one of the least noisy generators in its power range, rated at 61 dBA.
- Regarding its runtime, the RY909500 operates for around 7.5 hours at a 50% load, positioning it at the lower spectrum among comparable products. If you wish to prioritize autonomy, the Firman H07553 shines as one of the top contenders, offering one of the highest run times among generators with similar power output, totaling around 12 hours.
- Run time is crucial, but it heavily relies on the fuel tank's capacity. Thus, considering fuel efficiency alongside is essential. Compared to similar devices, this generator is less fuel-efficient than most: it burns around 0.8 gallons of gasoline per hour at a 50% load. If you wish to get a unit of similar power, but with one of the best fuel efficiency, you could consider the Powerhorse s10500id, which has an impressively low fuel consumption of 0.59 GPH.
Price comparison
As you can see from these interactive charts, when compared to other 7500-8500W generators, the Ryobi RY909500 is on the cheap side of the price range.
It can therefore be a really good buy if you're looking to acquire a budget generator.
The bottom line
- Inexpensive
- CO DETECT technology
- GFCI Outlets
- Decent weight (198 lbs)
- No 50-amp output
- No electric start
- On the noisy side (85 dBA)
- Relatively low run time
- Low fuel efficiency
Features and Specifications
| Inverter | No |
|---|---|
| Parallel capable | No |
| RV ready | No |
| Fuel | Gasoline |
| Engine | 500 cc OHV 4-stroke |
| Starting system | Recoil |
| Warranty | 3 years |
| Voltage | AC: 120/240V 60 Hz |
|---|---|
| Running watts | 8,000 W |
| Starting watts | 9,500 W |
| Running amps (@120/240V) | 66.7/33.3 amps |
| Peak amps (@120/240V) | 79.2/39.6 amps |
| Run time @50% load | 7.5 h |
| Run time @25% load | Unknown |
| GFCI outlets | Yes |
|---|---|
| Covered outlets | Yes |
| Automatic Voltage Regulation | Yes |
| AC outlets |
|
| DC outlets | No |
| Data center | VFT |
| Indicators | No |
| Fuel tank | 6 gal |
| Fuel gauge | No |
| Weight | 198 lbs |
|---|---|
| Approx. dimensions (L x W x H) | 31 x 29 x 24 in |
| Noise (lower limit) | 85 dBA |
| THD | < 20% |
| Compliance | EPA |
| Security | Low oil and overload protection, CO monitoring |
| Spark arrestor | Yes |
| Neutral | Bonded to frame |
| Accessories included | Oil and wheel kit |
| UPC | 046396058553 |
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.
About Ryobi
Founded in 1943, Ryobi Limited is a Japanese based manufacturer that throughout its history mainly focused on electrical and automotive components. However, their quite recent power tool branch has proven to be popular for the quality and reliability of its products, which are nowadays found globally on the shelves of popular retailers. Ryobi products are listed to be produced in various locations globally, mainly US, Germany, Japan and China.
Warranty Information
The Ryobi RY909500 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 Ryobi generators, please consult Ryobi's warranty policies (opens in a new tab). Alternatively, you can also contact their Customer Support: 1-800-525-2579.
Questions & Answers
What can it power?
| Item | Running Watts | Starting Watts | |
|---|---|---|---|
| At home | Dish washer | 1500 | 3000 |
| Microwave (1000 watts) | 1500 | 1500 | |
| Electric fry pan | 1500 | 1500 | |
| AC (10,000 BTU) | 1500 | 2200 | |
| Refrigerator (energy star) | 192 | 1192 | |
| Security system | 180 | 180 | |
| Total | 6372 W | 7872 W | |
| For camping | RV AC (11,000 BTU) | 1010 | 1600 |
| RV refrigerator | 180 | 600 | |
| Hair dryer | 1800 | 1900 | |
| Electric grill | 1650 | 1650 | |
| Electric fry pan | 1500 | 1500 | |
| Satelite receiver | 250 | 250 | |
| Total | 6390 W | 6980 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.



