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Internet # 324141413

Model # RY40720-C

40V HP Brushless 18 in. Battery Powered Rear Tine Tiller & 18V ONE+ 8 in. Cordless Cultivator - 40V & 18V 4 Ah Batteries

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  • 40V HP 18" Rear Tine Tiller for Large Gardens, Small Farms, Etc.
  • Includes 18V 8" Cultivator for Maintenance in Smaller Areas
  • Includes (4) 40V Batteries, (1) 18V Battery, 40V and 18V Chargers
  • View More Details
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Product Details

About This Product

The RYOBI 40V HP Brushless 18 in. Rear Tine Tiller is the industry's first cordless rear tine tiller, delivering cordless convenience and ultimate power to your gardens. Equipped w/2 brushless motors and counter rotating tines, it is powerful enough to take on even the toughest terrain. 18 in. tilling width and 10 in. tilling depth make this tiller ideal for large gardens, deep tilling, small farms and breaking new ground. The integrated transport mode allows for faster transport speeds than gas tillers to help you get the job done quicker. The variable speed self-propelled drive, 9-position depth stake and 14 in. pneumatic wheels provide ultimate control when tilling. Unlike most rear tine tillers, use self-propelled in reverse while tilling. 1-touch pivoting folding handles allow for compact storage. Add more weight to the removable sand ballast or bull bar to dig deeper. Adjust the tine shield to protect surrounding plants and deliver precise crop rows. It has 4 active battery ports for ultimate power and runtime. The RYOBI 18V ONE+ Cultivator is the ideal tool for use in flower beds and raised gardens. The 4 heavy-duty steel tines are adjustable, allowing for a 6 in.- 8 in. tilling width, making garden preparation quick and easy. Use this cultivator for maintenance between garden rows, garden preparation or loosening of soil in small areas. The kit includes 40V Tiller, 18V cultivator, (4) 40V batteries, 18V battery, 40V charger and 18V charger.


  • Rear Tine Tiller: 40-Volt HP technology and 2 brushless motors provide increased power and efficiency
  • Rear tine tiller: 18 in. tilling width and 10 in. tilling depth
  • Rear tine tiller: ideal for large gardens, landscaping, deep tilling, small farms and breaking new ground
  • Rear Tine Tiller: Transport mode allowed for faster transport speeds than gas tillers
  • Rear Tine Tiller: Variable speed self-propelled forward and power reverse drive for ultimate control
  • Rear Tine Tiller: 9-position adjustable depth stake for precise tilling depth
  • Rear Tine Tiller: Bull bar handle to add additional weight for deeper tilling
  • Rear Tine Tiller: Counter rotating tines for cultivating new garden plots
  • Cultivator: Ideal for Garden Rows, Flower Beds, and other light cultivation applications
  • Cultivator: Heavy-Duty Steel Tines for Increased Durability
  • Cultivator: 6"-8" Adjustable Tilling Width
  • Cultivator: 4" Tilling Depth
  • Cultivator: 3 Modes of Operation: Low, Medium, High
  • Cultivator: Lightweight and compact for comfortable use
  • Cultivator: Works with all RYOBI ONE+ 18V lithium batteries
  • 40V dual-port charger: 4X faster charging, charges two 40V 6.0Ah batteries simultaneously in less than 60-minutes
  • Includes: 40V rear tine tiller, 18V 8 in. cultivator, (4) 40V batteries, 40V dual port charger, (1) 18V battery, 18V charger
  • 40V rear tine tiller covered by 5-year limited warranty18V cultivator covered by 3-year limited warranty
  • Click here for more information on Electronic Recycling Programs
  • Return Policy
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Product Information

Internet # 324141413

Model # RY40720-C


Dimensions: H 61 in, W 20 in, D 70 in


Assembled Depth (in.)

70 in

Assembled Height (in.)

61 in

Assembled Width (in.)

20 in

Handle Length (in.)

21 in

Maximum extension cord length (ft.)

0 ft

Product Depth (in.)

70 in

Product Height (in.)

61 in

Product Width (in.)

22 in

Tine length (in.)



Adjustable Forward Speed


Adjustable Handle


Amperage (A)

0 A

Assembly Required








Cord lock



Adjustable Forward Speed, Brushless Motor, Foldable handle, Power Reverse, Self-Propelled, Variable Speed

Foldable handle


Maximum Till Depth (in.)


Maximum Till Width (in.)


Number of Tines

4 Tines

Number of tines


Power Type


Product Weight (lb.)

165 lb



Required extension cord rating

Cordless Operation





Start Type


Tine Material


Tine Position

Rear Tine

Warranty / Certifications

Certifications and Listings

UL Listed

Manufacturer Warranty

5 year tool warranty, 3 year battery warranty

Questions & Answers

Q:Are Ryobi batteries interchangeable with Greenworks 40V batteries?
by|Apr 19, 2024
1 Answer
Answer This Question

A:  Hello, Mike - No, they are not. If you need further support, then feel free to ask another question. You can also contact us by phone or text at 1.800.525.2579, Monday - Friday from 9 am to 5 pm (EST), or via email when you visit us at https://www.ryobitools.com/support/contact.

by|Apr 23, 2024
    Q:Has Ryobi solved the shear pin issue? I am thinking about purchasing this rototiller but I will not if they haven't solved the problem (that looks like it has been around for over a year). Thank you for your help.
    by|Dec 5, 2023
    1 Answer
    Answer This Question

    A:  Hello, Rich - Thank you for your question. The shear pin is designed to break. A shear pin is a weak bolt that connects your tines / auger to a rotating shaft. The pin will break if the rotating parts contacts a hard object during the rotating action and prevents that force from being transferred to the transmission. I apologize for any inconvenience this may be. I hope this helps! Additionally, if you need further support, then a RYOBI Customer Experience Professional is here for you, Monday - Friday from 9 am to 6 pm (EST) when you call us at 1.800.525.2579 or through email when you visit us at https://www.ryobitools.com/support/contact. And thank you again for your interest in the 40V HP Brushless 18 in. Battery Powered Rear Tine Tiller with (4) 6.0 Ah Batteries and Charger. - Lydia

    by|Apr 27, 2024
      2 found this answer helpful
      Q:Do I still get the RYOBI warranty when buying through Home Depot?
      by|Sep 26, 2023
      1 Answer
      Answer This Question

      A:  Hello, Kora - Thank you for your question. Yes. Home Depot is our authorized seller. I hope this helps! Additionally, if you need further support, then a RYOBI Customer Experience Professional is here for you, Monday - Friday from 9 am to 6 pm (EST) when you call or text us at 1.800.525.2579 or through email or live chat when you visit us at https://www.ryobitools.com/support/contact. And thank you again for your interest in the 40V HP Brushless 18 in. Battery Powered Rear Tine Tiller with (4) 6.0 Ah Batteries and Charger. - Jewel

      by|Sep 29, 2023
        Q:The exploded parts diagram shows these shear pins that reportedly fail but they are not numbered and listed in the parts inventory. Can Ryobi please give the part number and how to obtain this part? Worried about this purchase?
        by|Sep 17, 2023
        2 Answers
        Answer This Question

        A:  I have this problem as well, and the answer provided appears to be intentionally unhelpful. Everyone who has touched this tiller more than once knows which pin it is. It's the one attaching the tines that breaks easily, and doesn't have a part number.

        by|Dec 5, 2023
          2 found this answer helpful

          A:  Hello, Gemi - Thank you for your question. I'm sorry, there are a few pins in the parts list you could be referring to. To see if there is a part number for the pins I would recommend contacting us directly. A RYOBI Customer Experience Professional is here for you, Monday - Friday from 9 am to 6 pm (EST) when you call or text us at 1.800.525.2579 or through email or live chat when you visit us at https://www.ryobitools.com/support/contact. And thank you again for your interest in the 40V HP Brushless 18 in. Battery Powered Rear Tine Tiller with (4) 6.0 Ah Batteries and Charger. - Jewel

          by|Mar 10, 2024
            2 found this answer helpful
            Showing 1-4 of 31

            Customer Reviews

            4.1 out of 5

            • 4.1 out of 222 reviews
            • 73% recommend this product
            Filter by:
            Showing 1-10 of 222 reviews
            Effective and easy to use
            Ryobi's 18" 40V tiller met all expectations. Assembly was straightfoward, although it did require two sets of hands at some steps. My husband and I got it assembled in an afternoon. I am 5 ft and 100 lbs and wanted a tiller I could use on my own. This one fit the bill. Push button start, self-propelled, and an adjustable handle made it possible (one notch lower on the handle would have been absolutely perfect). I tilled about 700 sq ft, in stages, all on my own.
              • Recommended
              Sheer pins faulty; batteries bounce out. Unusable
              I had high hopes. Very few electric tiller options. Wish I read the other reviews. My sheer pins broke after a few feet of use. The batteries bounce out of their weakly locked in position even with ballast. That means not hitting any bumps (spoiler, it's a tiller, there are bumps), so it could only run for a few seconds. Even ran a tractor over to strip the sod. Still can't work. Very disappointed. Preparing a return.
              Response from RYOBIDec 4, 2023
              Hello, Mike - It sounds like you've had a disappointing experience and we're sorry to hear that! And we'd like to try and move this in a more positive direction. Would you mind sending us an email at Reviews@RYOBItools.com? RYOBIOutdoorTools
                5 found this review helpful
                Tilled a 40’ X 40’ garden - No pull cord, just go
                It took about an hour of high-speed run time to till the 40’ x 40’ garden. Real world use, each battery powered the tiller on high (tilling and propulsion) for approx. 10mins I’m very pleased at the battery run time and power (torque) of this tiller. I would use it again and recommend its use to others. My wife ran it for about 20 mins and found it very easy to operate and understand. Overall, this thing worked great!
                  • Recommended
                  1 found this review helpful
                  Better than my old gas Craftsman!
                  All I can say is WOW!!! This thing is a BEAST! Plenty of power and is so much quicker to start and easier to use than my Craftsman rear tine that this replaced! I was a bit skeptical of switching to battery on a piece of equipment like this, but this has definitely changed my mind. It came with 4 batteries and a dual charger, which provided me more than enough runtime for my projects and it feels like it is built to last!
                  • Verified Purchase
                  • Recommended
                  1 found this review helpful
                  I picked up this tiller yesterday at Home Depot and Thought it should wait until today to try it after I mowed the lawn. It turns out the tiller broke on the first try on the right hand side of the tiller bolt. I’m surprised it didn’t fly off. The thing didn’t last 2 minutes before it snapped. So dangerous! These bolts are cheaply made and although I have hard soil, I thought I might give it a try. Don’t be mislead. This is a cheap product and steep product. Will never buy again.
                  Response from RYOBIApr 26, 2023
                  Hello, JayLuv - Please email us at Reviews@RYOBItools.com. We'd like to discuss your feedback further. RYOBIOutdoorTools
                    8 found this review helpful
                    Second use tine pins sheared.
                    Third use tine shaft broke at shear pin hole. Ryobi support chat not functional. This does a great job but the engineering doesn't appear to be up to the motors power. I'll check with home depot if I can return assembled and used.
                    Response from RYOBIMar 28, 2023
                    Hello, Lks1955 - We are very sorry to read that your tiller has broken! If you would, will you please email us at Reviews@RYOBItools.com? Let's connect so we can work on getting you back on track! RYOBIOutdoorTools
                      7 found this review helpful
                      A Real Game Changer
                      Being female, retired, 5’2”, reasonably fit and having owned and operated a garden services business for over 10 yrs I had occasion to use a couple different rototillers – gas operated, rear and front tine models as well as cordless cultivators in renovating/rejuvenating vegetable and flower gardens, rototilling in new garden areas and tilling in landscape areas for installation of shrubs, trees, hardscape and lawn islands/berms. All I can say is if we had this Ryobi tiller 15 years ago, our jobs would have been much easier and a breeze to load onto a trailer and move around job site. From unboxing to test, assembly took me just under 2 hrs. I took my time but struggled with what should have been a 5 minute job that took nearly a half an hour – I found attaching the dirt flap to be tedious and unnecessarily cumbersome. Each of the other assembly steps were easy – follow the user manual instructions and quick start assembly diagrams. My review is based on a landscape project – a shallow landscape berm to address surface water drainage issues and improve curb appeal. I spent the time to remove the grass with a string trimmer exposing the bare soil. I then made multiple passes in 4 strips the length of the berm with the goal of lifting the clay layer to the surface to marry with top soil to be added on top forming the raised portion of the berm. This step is important because it stabilizes the berm structure and avoids erosion causing the berm to sink and exposing the top roots of the shrubbery planted. You can’t simply dump a bunch of dirt down and expect it to stay put. Below are pics of various stages of the project. Edging, landscape cloth and gravel mulch still need to be done but already you can see the improvement to my front entry landscape. I did experience a battery popping up shutting the tiller down when I hit a patch of hard compacted soil. I just opened the battery case and push it down and off you go. It’s a safety feature should you run into hard pan soil like me or hit a root or a rock. It’s a nice safety feature – you won’t pull your arms out of joint like with some gas operated models. And if the impact is great enough to damage tines, gearbox or even the motor, a second safety feature kicks in with sheer pins designed to break. It’s an engineering safety feature, not a failure of the machine. Be happy when a sheer pin breaks, you didn’t trash your tiller. The 13-1/2in tires are rugged with deep treads for great traction. With 3 level handle adjustments lets you customize the tiller for comfort. The front ballast tank can hold sand, rocks or pieces of lead - any weight that helps to balance the tiller when lifting the handle and tines off the ground to transport and initial tilling. Typical to most rear tine tillers the depth bar allows you to choose till depth – pull the bar up and the tines dig deeper. I’ve always made it a practice to take multiple shallower swaths on deep till jobs rather than trying to get there with one pass. And removing surface vegetative growth with a string trimmer helps to get there faster. Takes more time but you get a much better till. The two pair of 2X40V 6Ah batteries provide more than enough power and with the rapid dual port charger, it’s a matter of an hour or so to fully recharge the two battery pair so you’ll have continuous battery power for any job. I found the power to be equal to gas powered units I’ve used, especially breaking new ground with thick matted grass roots. The power doesn’t back off when you hit tough ground. I really like the whole unit tines over the traditional bolo tines. You cannot switch tine rotation like some gas operated tillers allow. My test project I did manage to kick up a 7x5 inch rock – I think granite. The sheer pin didn’t break probably because the condition of the soil was easily workable. Even though it’s a powerful piece of equipment with big torque sufficient to easily chew up the ground, this machine handles well even for me a smaller woman – but it’s still a tiller – not the easiest machines to maneuver. The construction of the tiller parts are all steel – quality for a long lasting machine. Controls are straight forward and simple. T the “Transport” feature disengages the tines making it possible to drive the unit to/from your project area. Like your riding mower, after a few uses, you’ll settle in on a comfortable speeds for different jobs - using the controls will come second nature. Overall I’m really impressed with the performance of the Ryobi cordless rear tine tiller. It’s powerful, beefy yet very easy to handle - and hey, no gas, oil/filter changes, exhaust fumes – just simple batteries that quickly charge. Depending on the tilling job, the batteries will likely last through the project and even beyond. The Whisper Series adds a bonus feature of quiet operation. I’m so happy to not have to wear ear protection. If you’re accustomed to gas powered tillers, you won’t find deficiencies with this machine and if you have no experience with tillers you’ll find this machine easy to operate. Everything about this machine is quality, power and strength. Based on my landscape project and from experience with tillers, I can wholeheartedly recommend the Ryobi Rear Tine tiller and being cordless makes it a game changer.
                      • Recommended
                      9 found this review helpful
                      Nice power. Heavy enough to do the job.
                      I like the amount of power from this tiller. The battery life is more than expected. The problem is the pin that holds the blades in place. One sheared off after a couple hours use. The other is bent. Now I have to find bolts that may work instead.
                        4 found this review helpful
                        The Future of tilling is here!
                        Can't say enough about this rear tine tiller. All I can say is, it packs a serious punch and you will not regret it! No Gas, fumes, oil, filter, spark plug, pull cords, choke, prime, pollution, carburetor, to deal with PERIOD! ALL ELECTRIC is a game changer. Holds (4) 40 volt 6 Amp batteries, and run 2 batteries at a time, to Create 80volts of power, which should tell you this thing is POWERFUL! It will run for approx. 15 minutes & just switch the red key to use the 2nd set of batteries for a total of approx 30 minutes of tilling. Love the feature where the tines do not have to turn while in transport mode, its wayyyy quiter than a gas tiller, you dont have to use earplugs (but thats to your own discretion). If your vested in the ryobi 40 volt line up, it's a no Brainer to invest in this tiller if your in the market for it. With the dual charger, and multiple 40volt batteries, you LITERALLY, will never run out of Power (Electric power that is). Do yourself a favor, and get it! You'll thank me later.
                          • Recommended
                          1 found this review helpful
                          Definitely not a toy.
                          The minute that you grab the handlebar, you know that this is not a toy, it feels like a serious machine compared to smaller electric powered Tillers. This works great tilling a new garden area by chewing up the grass sod. This will leave some large chunks, but after letting the ground rest for a couple of days and then going over it again the results are a fine soil base for planting. Because of the size and weight, I would not recommend using it on a garden plot that is less than a 4x6 area, but it worked great on the first plot that I tried it on that was 3x10.It was a bit difficult for me the first time that I used it but that was before I added about 25lbs of play sand to the front ballast tank. This made a world of difference in the balance and made it a lot easier to use and move it under power. While there is a small assembly required (Handle, brush bar, Ballast tank, side shields and depth adjustment) the require tools are supplied.
                          • Recommended
                          4 found this review helpful
                          Showing 1-10 of 222 reviews