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Sun Joe 15-in Spike Lawn Aerator

10 Reviews
  • Ideal for revitalizing small to mid-sized lawns
  • Powerful 13-amp motor rakes a 15 in. wide path to get your job done faster
  • Scarifier function to cut grass roots for thicker growth, healthier lawns


Get a picture-perfect lawn with the 15-inch electric scarifier + Dethatcher from Sun Joe®. Noticing dry, browning patches on your lawn; and watering just isn’t cutting it? You’ve probably got thatch build-up! Scarifying your lawn at regular intervals cuts grass roots and encourages growth for thicker, healthier turf. And regularly using a dethatcher helps cut down on dense masses of roots, stems, and grass clipping that build-up over time. While ordinary manual rakes are tiresome to use and not very effective, the electric dethatcher starts instantly with the push of a button and easily gets the job done without polluting the atmosphere with toxic carbon emissions. Powered by a robust 13-amp motor, Sun Joe rakes a 15-inch wide path in a single pass to get your job done fast. Featuring enhanced air boost technology, the raking spring steel tines maximize thatch pick-up and stay sharper, longer for maximum performance. Equipped with a 5-position depth control knob, Sun Joe let’s you tailor the raking depth from 0 in. (0 mm below the soil) to 0.4″ in. (10 mm above the soil), and your scarifying depth from -0.4 in. (10 mm below the soil) to 0 in. (0 mm above the soil). No gas, oil or tune-ups make the Sun Joe® dethatcher your green choice for greening your lawn. Plus, every Sun Joe is backed by our complete 2-year warranty.
  • Ideal for revitalizing small to mid-sized lawns
  • Powerful 13-amp motor rakes a 15 in. wide path to get your job done faster
  • Scarifier function to cut grass roots for thicker growth, healthier lawns
  • Air boost technology – spring steel tines for maximum thatch pickup
  • Maintenance free – no gas, oil or tune-ups
  • Tailor raking depth with 5-position depth control
  • Detachable thatch collection bag for easy disposal
  • ETL approved with a full 2-year warranty
Weight 28.1 lbs
Dimensions 48 × 19.9 × 11.1 in

Latest reviews

  1. Outside Therapy

    I loved that it was very light weight and that it was self propelled. It does however have a very small bag which fills up quickly. And also because it is so lightweight, it does not really dig deep down into the yard like I had hoped. I have a 6000 sq ft yard and I thatched it, then scarified it and then seeded.
    What I did not like about , they said it was next day delivery, and it took 8 days later to get to me. I was counting on the next day delivery to get my yard done during the rain weather, but instead, I had to work in 90 degree heat and water my yard for a week.

  2. ks2106

    The pieces that hold the door in place were broken

  3. DTS419

    The motor failed on the first unit I received about 3/4 through doing my lawn. Sun Joe customer service was great and sent me a warranty replacement. The second star is for Sun Joe’s great customer service. However, the replacement unit had a broken hinge on the grass chute cover and the grass catching basket tore open during first use. As the price point indicates, you get what you pay for. Basically this thing is a plastic toy that is made as cheap as possible. For the cost of renting a professional grade model, it might still be cost effective to buy a new one of these each year, but the frustration this has caused is not worth it.

  4. Mike

    This little Sunjoe did a great job! It is light but powerful enough to do the job. It did a really good job at both de-thatching and scaraffing. Just know that you will have to empty the bag about every 10 to 15 feet. And that it will create a ton of lawn debris. Which is fine for me cause I have 6 acres and can dispose of it on my property. But we arnt talking about a few trash cans worth. It was probably about (20) 55 gallon trash cans worth. It was crazy. But im glad. My lawn needed it!

  5. Gadawson

    Reviews for this product were good and I had a similar experience. Despite how simple it seems it pulled out dead grass in huge bundles. I ran it a little to low and did thin it out too much in places but no concern about re-growth.

    I usually fill one mower bag with grass clippings. I filled three mower bags of dead grass. Very little green grass was removed. I did not try the scarper. That looks to be much more than i need. Great value for the price.

  6. MexGardener

    The machine worked well when it came to removing dead grass. The only problem I have with this product is the cover door pin broke when I lifted it to install the bag. I believe in hindsight it should have been made with steel since it’s part of the machine that requires consistent movement.

  7. kris

    The tool itself works great. It will de-thatch a lawn without issue if used correctly. The problem is, like most things these days, is that the parts are plastic and cannot be fixed or replaces as they originate in China. The pin that holds the chute cover was broken upon arrival. I called the mfg to send a part, they wanted to initiate a return which would have taken 6 weeks, and the inconvenience of dissassemly and somehow puzzle piecing back into the box for shipment. We ended up using gorilla tape to attach the cover to keep the thatch from shooting skyward and will come up with a more permanent solution at a later time. I have grown weary of a manufacturer that uses the cheapest solutions to create an otherwise good product.

  8. Biigjohnson

    The Sun Joe Electric Lawn Dethatcher is just what our yard needed this year. The machine game with a 13.2-gallon collection bag for the clippings. The machine was easy to set up, and a breeze to run. The height can be adjusted, and I was able to get it to just the right height to maximize the thatch depth. I highly recommend if someone has been renting dethatcher machines. The bagger can be taken off if you prefer to just rake the clippings, and dry grass. I like that it is electric, with nothing to refill or change. We can keep the machine in our garage without a lawn smell.I will be using it again in a few weeks, just to get the lawn ready for full growing season.

  9. MissyReviewed

    This piece of equipment is very useful and has really decent power considering it is electric. It did a great job on our established bermuda grass in the areas where it was thick with dead grass. I do think this machine may struggle with thicker yards meaning it would run out of power more quickly. This machine is easy to setup and even easier to use. It it fairly compact making it easy to store in the garage as well. I was worried it may tear up the existing grass but it did not and now the grass coming up where we have used it is great and coming in a lot thicker. In all a really good piece of equipment!

  10. DocHoz

    This machine is a beast. It will absolutely do a good job at dethatching your lawn. However, make sure that you cut your lawn low as possible otherwise you will clog the tines with longer grass and rip out patches of your lawn – not fun. Start out at the highest setting on the machine and lower to what is appropriate for your lawn. I also recommend checking underneath the dethatcher after several passes to make sure the grass is not entwining around the silver collar of the tine apparatus otherwise you will overheat the unit (like I did) and then you’ll have to wait until it cools down to use it again. The biggest con is the extension cord that you constantly have to fight with…that sucks. I wish they would come out with a gas version, that would be worth every penny! All in all its a good machine that will dethatch the crap out of your lawn.

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