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Internet # 316935330

Model # RY401160US

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40V HP Brushless 21 in. Cordless Battery Walk Behind Push Lawn Mower with 7.5 Ah Battery and Charger

$469.00
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  • Brushless motor for longer runtime and long life
  • Up to 50 minutes of Run Time with 40-Volt Rapid Charger included
  • 7 position single point height adjustment from 1.5 in.-4in
  • View More Details

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Product Details

About This Product

RYOBI redefines power and convenience with the 40-Volt HP 21 in. Push Cordless Lawn Mower. The premium HP brushless motor provides more power, longer runtime, and a longer motor life. It starts with just a push of a button, without the hassle of gas, oil, or maintenance. This mower is ideal for yards up to 1/2 acre, featuring dual active battery ports and a 40-Volt 7.5Ah battery that provide up to 50-minutes of runtime. The 21 in. durable polypropylene deck is lightweight, resists corrosion, and is covered by a lifetime warranty. The mower has a 10 in. high wheel design and the deck features 7 position single point height adjustment to easily select your grass height between 1.5 in. and 4 in. With the 3-in-1 mowing functions you can choose between bagging, mulching, or side discharge functions. The easy lift single motion bag removal allows you to quickly and easily empty the grass catcher bag and get back to work. When the job is done, the 1 touch aluminum handles fold for compact, vertical storage. This mower includes a 40-Volt rapid charger, which charges your RYOBI 40-Volt batteries 4X faster than the standard charger. The RYOBI 40-Volt HP 21 in. Push Lawn Mower, batteries, and rapid charger are all compatible with 50 plus RYOBI 40-Volt products. This mower is proudly made in the USA with global materials and is backed by a 5-Year Tool Warranty.

Highlights

  • High performance brushless motor delivers maximum performance and GAS-LIKE POWER
  • Push button for hassle free starting
  • Up to 50-minutes of runtime, ideal for 1/2 acre or less
  • Dual active battery ports
  • Deck is covered by a lifetime warranty
  • 7-position, single-point height adjustment from 1.5 in. To 4 in.
  • 3-in-1 mowing functions, mulching, bagging and side discharge
  • Easy lift single motion bag removal
  • 1 touch aluminum handles for compact, vertical storage
  • High-intensity LED headlights
  • Includes a RYOBI 40V 7.5 Ah battery and rapid charger
  • Works with all RYOBI 40-Volt lithium batteries
  • 5-year tool warranty, 3-year battery warranty
  • Click here for more information on Electronic Recycling Programs
  • Return Policy
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Product Information

Internet # 316935330

Model # RY401160US

Specifications

Dimensions

Cutting Width (in.)

21 inches

Mower Deck Width (in.)

21 in

Details

Battery Amp Hours

7.5 Ah

Battery Run Time (min.)

50

Battery Voltage (V)

40V

Battery/Charger

(1) 7.5 Ah Battery & Charger Included

Charge Time (hours)

1.25

Charger Included

Charger Included

Cutting Height Options

7-position

Cutting Options

Bag, Mulch, Side-Discharge

Deck Material

Polymer Composite

Engine Make

Ryobi Engine

Features

No Additional Features

Included

Bagger, Battery(s), Charger, Wheels

Lawn Mower Type

Push Mower

Maximum Cutting Height (in.)

4 in

Minimum Cutting Height (in.)

1.5 in

Mower Size Type

Standard

Number of Blades

1

Number of Total Batteries Included

1

Outdoor Power Combo

Single

Power Type

Battery

Recommended Terrain

Flat

Returnable

90-Day

Size of Yard

1/4 - 1/2 Acre

Start Type

Push Button Start

Walk Behind Mower Type

Manual Push

Warranty / Certifications

Manufacturer Warranty

5-Year Limited Tool Warranty, 3-Year Limited Battery Warranty

Questions & Answers

Does the mower react to mowing conditions and adjust blade speed ?
ByOct 29, 2026
2 Answers | 
Answer This Question

I’m looking at this model to purchase as well. According to what everything I’ve read says, this indeed does adjust speed, according to the amount of grass it’s cutting. The oversized battery reduces the possibility of engine stall in thick grass.

By|Oct 29, 2026

    Hello, Eddie - No, this lawnmower does not have that feature. If you need further support, then feel free to ask another question. You can also contact us by phone at 1.800.525.2579, Monday - Friday from 9am to 6pm (EST), or via email when you visit us at https://www.ryobitools.com/support/contact. This question is from RYOBI 21 in. 40V Brushless Lithium Ion Push Mower (RY401160US).

    By|Nov 1, 2026


      What does the mower weigh?
      BySep 26, 2026
      1 Answer | 
      Answer This Question

      Hello, Eddie - This lawnmower weighs approximately 58 pounds. If you need further support, then feel free to ask another question. You can also contact us by phone at 1.800.525.2579, Monday - Friday from 9am to 6pm (EST), or via email when you visit us at https://www.ryobitools.com/support/contact. This question is from RYOBI 21 in. 40V Brushless Lithium Ion Push Mower (RY401160US).

      By|Oct 23, 2026

        (1)

        Is handle bar height adjustable
        ByMay 6, 2026
        1 Answer | 
        Answer This Question

        Hello, Robert - Yes, the handle can be adjusted to two heights for mowing. If you need further support, then feel free to ask another question. You can also contact us by phone at 1.800.525.2579, Monday - Friday from 9am to 6pm (EST), or via email when you visit us at https://www.ryobitools.com/support/contact. This question is from RYOBI 21 in. 40V Brushless Lithium Ion Push Mower (RY401160US).

        By|Oct 23, 2026

          (2)

          Viewing 1-3 of 3

          Customer Reviews

          4.1 out of 5

          • 4.1 out of 181 reviews
          • 63% recommend this product
          Filter by:
          Showing 1-10 of 181 reviews
          We’ll see if it holds up… last one was a pice of
          I can’t give it a 5 because the last Ryobi mower I bought fell apart in less than 2 years. It had so many safety sensors that kept triggering that would shut off motor that I had to bypass them, duct tape the arms, add screws all over the place to hold it together… frankly the only reason I bought Ryobi again was because I already had 4 batteries from other Ryobi tools. Fingers crossed this one is reliable… works great so far…. 1 month in.
          by
          • Verified Purchase
          Broke after 2 years
          Owned the mower for 2 years and it stopped working, not a battery problem, something to do with the blade not spinning. Now I will have to jump through hoops to get it fixed under warranty. Super disappointed.
          by
            Caught on fire due to overheating motor
            Lawnmower lasted almost 3 years. It always struggled with cutting even when sharpened. Finally today it struggled even more and caught on fire. How is there not a temperature regulator inside to shut it down when the motor gets too hot.
            by
              Impressed but some flaws
              Reasobly impressed. I bought a dewalt originally however after two failing on me in a three month period and the third return at home depot I found out they are all on recall. So I was torn as I have all dewalt tools and having the extra batteries would be great. I was thinking then as the next best alternative to go with this ryobi or the Bowers and Wilkins and go bank to gas. I chose thw ryobi and was really impressed with the first cut. My only complaints are the mouth of the bag is too wide to fit in standard grass bag and the battery is one massive battery I don't see using in other tools. I thought dewalt was smart with two batteries that had more universal use. This cuts and picks up grass afterwards better than the dewalt though.
              by
                • Recommended
                Cuts great but battery life is very poor
                Cuts great. Battery life is highly disappointing. First time using it, I got 33 minutes and probably covered 1/3 of what I need to do. When it abruptly died, I couldn’t believe that was all I would get from it. If it doesn’t do better on the next charge, it’s going back. I would imagine that the 6.0Ah battery would be pretty much useless
                by
                  Blades Failed After Limited Use
                  I bought this mower two years ago and only used it a few times over two summers. Now, the blades have stopped working even though it still moves forward. Very disappointing for such limited use.
                  by
                    Terrible battery life, cuts ok
                    I was really excited to move from a gas to electric mower, and this mower ruined it. The cut is OK. There are areas I had to repeat cut, even where the grass wasn't thick. It does have good maneuverability. Now here's where i am disappointed. This model of mower claims to have up to 70 minutes of battery life, and I get just over 43 minutes from a full charge, leaving 1/4 of my full yard uncut. I will be taking it back and going back to gas if this is the best a 40v 7.5 ah battery can do.
                    by
                      Awesome machine 5 Star Plus
                      I had really long grass on my lawn. A regular gas mower would have died a thousand deaths trying to mow that mess. Then I went to my friends at Home Depot and took a look at all of their mowers. I am of the old school notion that you get more power with gasoline then battery power. I was so wrong. I went with the electric because I was tired of trying to pull start that pig even one last time. I took that Ryobi home. Charged up overnight. Keep in mind that the grass was really long and wet(rained overnight) I took the very first pass down the middle of the lawn with extreme caution. I thought that maybe this mower wouldn’t be able to handle it. Actually it was the direct opposite. This mower cut through the grass like it was just stubble. I am a believer. Thank you Ryobi. This is my first Ryobi but certainly not my last.
                      by
                        • Recommended
                        Great machine. It has exceeded my expectation.
                        by
                        • Verified Purchase
                        Mower cuts pretty good, and is super quiet. I'm still on the fence whether I should have bought the self propelled one. I'm hoping to get the max life out of the battery because they're ridiculously expensive.
                        by
                        • Verified Purchase
                        Showing 1-10 of 181 reviews

                        Compare Key Features

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                        Product Snapshot

                        Ideal for customers who want powerful, cordless mowing with versatile 3-in-1 functions.
                        Ideal for customers who want gas-like power, ensuring efficient mowing and trimming.
                        Ideal for homeowners wanting gas-like power, cordless freedom, and versatile cutting options.
                        Ideal for homeowners wanting gas power without the hassle, with multi-blade cutting and long runtime.

                        Cutting Width

                        21 in.
                        21 in.
                        21 in.
                        20 in.

                        Battery Runtime

                        50 minutes
                        55 minutes
                        55 minutes
                        Up to 80 minutes

                        Battery Voltage

                        40V
                        40V
                        40V
                        40V

                        Adjustable Cutting Height

                        Power Source Cordless