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Internet # 308102487

Model # 45-0544

Top Rated

40 in. Tow Spike Aerator

$199.99
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  • 40 in. weight tray holds 100 lbs. for deeper penetration
  • Folding universal hitch for easy hook-up and storage
  • Made in USA with a 3 year warranty
  • View More Details

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Return this item within 90 days of purchase.

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Product Details

About This Product

Make the most of your mower with an Agri-Fab spike aerator. Spike aerators use a series of rotating star-shaped tines that slice into the soil. This allows seed, fertilizer, water, air, light and nutrients to reach the grass roots. Aerating should be done when the lawn's moisture content is high. the 40 in. spike aerator provides up to 2.5 in. of aeration depth by adding up to 100 lbs. to the weight tray. When you aerate your lawn, you are opening up the soil surface to let grass roots get the air and moisture they need for healthy growth.

Highlights

  • 40 in. weight tray
  • Additional weight up to 100 lbs. may be added to the weight tray for increased soil penetration
  • Up to 2.5 in. aeration depth
  • 10 galvanized spike disks for thorough aeration
  • Folding hitch for easy storage
  • Flat free tires roll everywhere and do not need filled
  • 3-Year Limited warranty
  • Assembled dimensions: 31"L x 48"W x 18"H
  • Universal hitch fits any tractor regardless of brand
  • 8-galvanized steel spike discs for thorough aeration
  • Need help with assembly? Check out the step-by-step assembly videos on the Agri-Fab YouTube brand page
  • Made in USA
  • Return Policy
  • California residents
     see Prop 65 WARNINGS

Product Information

Internet # 308102487

Model # 45-0544

Specifications

Dimensions: H 18 in, W 48 in, D 31 in

Dimensions

Assembled Depth (in.)

31 in

Assembled Height (in.)

18 in

Assembled Width (in.)

48 in

Clearing Width (in.)

40 in

Maximum Penetration (in.)

2.5

Details

Features

Adjustable pressure, Assembly Required, Built-in Hitch, Collapsible, Portable, Rotating, Rust Resistant, Rust resistant deck, Single-lever height adjustment, Towable

Fits Brands

All Power, Compatible with Multiple Brands, Craftsman, Cub Cadet, DeWalt, John Deere, MTD, Murray, Toro, Troy-Bilt, Universal, Yard Machines, Yard-Man

Fits Models

Universal

Material

Steel

Product Weight (lb.)

42 lb

Returnable

90-Day

Warranty / Certifications

Manufacturer Warranty

3-Year Limited Warranty

Questions & Answers

I need 2 missing components
ByJul 17, 2024
1 Answer | 
Answer This Question

We at Agri-Fab value you as a customer and your opinions are important. Missing/ defective parts are as frustrating to us as they are to you. As a company we take this very seriously and work with our quality and production control team to get any issues corrected. Agri-Fab customer care team is available Monday - Friday between 7 am to 5 pm CST at 800-448-9282 to assist you. Please give us a call before returning the unit as to hopefully we can help you get it up and going. I will need a little information in order to fully assist you. Every Agri-Fab product has a silver and black sticker. This sticker will have your complete model number and date code.

By|Aug 27, 2025


    Hi, i have a  45-0544kd modelo.  I need to buy the shaft and two wheels but didn’t find at the website.  Could you please give me some advice on how to buy them?
    ByFeb 4, 2024
    1 Answer | 
    Answer This Question

    The part numbers you need are axle #28309 wheels #43021 . You can go on line to www.speedepart.com to order or call 800-448-9282 customer care would be happy to assist you in placing your order. Thank you.

    By|Aug 27, 2025


      Can the tow behind aerator be used on an incline/decline 15%
      ByJul 1, 2023
      1 Answer | 
      Answer This Question

      When using the unit on a sloped lawn you should always go up and down. Never follow the contour of the ground.You want to make sure when backing up that the knives are out of the ground. You can find the operations of the unit in the manual on page 10. I would suggest looking over the operations before using the unit. Thank you.

      By|Jul 5, 2023


        The axel won?t fit into plastic parts that go on tines - thoughts ?
        ByApr 5, 2023
        1 Answer | 
        Answer This Question

        You need to go the the manual and get the part numbers and the model number you are having a problem with. Please call 800-448-9282 and customer care can assist you. Thank you.

        By|Apr 6, 2023


          The axel is too big for the place pieces  Thoughts 
          ByApr 5, 2023
          1 Answer | 
          Answer This Question

          Please call 800-448-9282 with the correct model number and the part numbers you are trying to explain. Customer care will be happy to assist you.

          By|Aug 27, 2025


            When backing up will it still rotate the spikes into my yard . Will it spin in reverse
            BySep 11, 2022
            2 Answers | 
            Answer This Question

            It is not recommended to back up with the knives in the ground. You risk bending the tongue. The knives should also be out of the ground when turning. Thank you.

            By|Sep 12, 2022

              It will spin in reverse. The tines are touching the ground and will spin in both directions. This aerator works best when it has a decent amount of weight on it.

              By|Sep 13, 2022


                Can I buy the smart link plug aerator insert and assemble it into the frame of this spike aerator?
                ByMay 5, 2022
                1 Answer | 
                Answer This Question

                No it is designed to be used with the multi-tool platform. Thank you for your interest in Agri-Fab products.

                By|Aug 27, 2025


                  I live in Georgia and my yard is hard clay. Will this work on this hard clay
                  ByMay 1, 2022
                  3 Answers | 
                  Answer This Question

                  You’ll need some rain or water it to make the ground softer or put 2 to 3 8x16 construction blocks on it. When the ground is hard it won’t go deep enough.

                  By|Apr 24, 2026

                    (1)

                    We recommend that the ground be moist not soaked but if to dry it will not do the job that it should. Thank you.

                    By|May 2, 2022

                      Yes it is if you water the day before or if it rained in the last couple of days. My worked better with (2) 8x16 blocks on for deeper aeration.

                      By|Apr 24, 2026

                        (1)

                        Viewing 1-8 of 15

                        Customer Reviews

                        4.1 out of 5

                        • 4.1 out of 243 reviews
                        • 80% recommend this product
                        Filter by:
                        Showing 1-10 of 243 reviews
                        Functional yet plastic wheels not up for the job
                        We bought this a few days ago and after just a couple of hours using it, one of the wheels started failing. The plastic spokes on the inside of one of the wheels started crumbling. Eventually the wheel started wobbling. We only used one cinder block to weight it down & it was placed in the center of the tray.
                        by
                        Response from Customer Care BackupSep 12, 2023
                        We at Agri-Fab value you as a customer and your opinions are important. Missing/ defective parts are as frustrating to us as they are to you. As a company we take this very seriously and work with our quality and production control team to get any issues corrected. Agri-Fab customer care team is available Monday - Friday between 7 am to 5 pm CST at 800-448-9282 to assist you. Please give us a call before returning the unit as to hopefully we can help you get it up and going. I will need a little information in order to fully assist you. Every Agri-Fab product has a silver and black sticker. This sticker will have your complete model number and date code. agrifab_brand
                          • Recommended
                          Just what I need
                          Work very well. easy to assemble. very solid. Top quality
                          by
                            • Recommended
                            Best investment in your yard!
                            Absolutly perfect for my yard! I have a southern hard pack yard, 1 acre, that i got this for. I had to make a couple passes, but the spikes held up, nothing bent, even going over large above ground tree roots. Very sturdy, I expect to get 10+ years out of it. Local lawn service wanted the same $$ for one aeration as this thing cost. I will recommend to anyone!
                            by
                            • Verified Purchase
                            Strong, can’t wait
                            It came UPS yesterday and I’ve got the parts all laid out and putting it together. It feels to be strong and I can’t wait to try it later today.
                            by
                              Great equipment
                              [This review was collected as part of a promotion.]  I was waiting for a good weather with right texture of the soil before I tried this nice 40" Agri-Fab spike Aerator. I have used it for more than a week and I am pretty impressed with its performance. The equipment was very easy to assemble and took my husband about 25 minutes to assemble from opening the box to getting it attached to riding mower. We watched some videos and followed the instructions and it was a very quick and easy installation. I like growing vegetables in my garden and this aerator has made my job so easier. I am hoping that the plant food that I use in my garden will be absorbed more sufficiently. We also used it to aerate the lawn before applying weed and feed for this year. We get a lot of weed in half an acre land. Because of deep penetration of weed and feed we are hoping to get less weed and greener lawn this year. So far, I am very pleased with this equipment for making our lawn care easy.
                              by
                                • Recommended
                                Works great on our large lawn!
                                [This review was collected as part of a promotion.] The Agri-Fab spike Aerator has been a wonderful addition to our lawn care and maintainence equipemnt. The equipment was very easy to assemble out of the box with the step by step instructions that were clear and understandable. The product seems to be made of quality, sturdy materials that should last. Once assembled, hooking it up to our lawn tractor was also very effortless. The aerator moved smoothly behind the lawn tractor, creating even spiking in the lawn. I did add a couple of blocks to have some additional weight, creating a deeper penetration into the soil. Overall, I’m very pleased with the performance and quality of this product.
                                by
                                  • Recommended
                                  Instructions need work - Expect missing parts
                                  Purchased this hoping to use it before upcoming rain and plant grass seed. Irritated to find key parts missing.. the company sent them free of charge but the quality control definitely needs improvement. Dont plan to use the item you purchase the day you use it because a key part you need will be missing from inside the package.
                                  by
                                  Response from Customer Care BackupSep 9, 2026
                                  We at Agri-Fab value you as a customer and your opinions are important. Missing/ defective parts are as frustrating to us as they are to you. As a company we take this very seriously and work with our quality and production control team to get any issues corrected. Agri-Fab customer care team is available Monday - Friday between 7 am to 5 pm CST at 800-448-9282 to assist you. Please give us a call before returning the unit as to hopefully we can help you get it up and going. I will need a little information in order to fully assist you. Every Agri-Fab product has a silver and black sticker. This sticker will have your complete model number and date code. agrifab_brand
                                    • Recommended
                                    This customer chose to rate the product and not provide text.
                                    by
                                    • Verified Purchase
                                    easy to use and does great job
                                    Just got it and very happy with it..Used the same day and got great results.
                                    by
                                      May have been an old stock from somewhere, a few of the plastic parts were broken in the box. Improvised with a piece of schedule 40 PVC so I could get it together
                                      by
                                      Response from Agri-FabProductExpertApr 10, 2026
                                      We at Agri-Fab value you as a customer and your opinions are important. Missing/ defective parts are as frustrating to us as they are to you. As a company we take this very seriously and work with our quality and production control team to get any issues corrected. Agri-Fab customer care team is available Monday - Friday between 7 am to 5 pm CST at 800-448-9282 to assist you. Please give us a call before returning the unit as to hopefully we can help you get it up and going. I will need a little information in order to fully assist you. Every Agri-Fab product has a silver and black sticker. This sticker will have your complete model number and date code. Agri-FabInc.
                                      Showing 1-10 of 243 reviews

                                      Compare Key Features

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                                      Product Snapshot

                                      Great for homeowners looking for thorough aeration, making lawn care easier with 10 galvanized spike disks and 2.5 in. aeration depth.
                                      Built for durability and performance, this 40 in. tow-behind spike aerator ensures effective soil penetration with 100 steel spikes.
                                      Great for homeowners looking for tow-behind aeration, making lawn care easier and more efficient.
                                      Great for homeowners looking for durable aerators, making lawn care easier and more efficient.

                                      Spike Depth Adjustment

                                      Self-Propelled Mechanism

                                      Spike Count

                                      10
                                      100
                                      132

                                      Working Width

                                      40 in.
                                      40 in.
                                      40 in.

                                      Weight Capacity

                                      100 lbs.
                                      110 lbs.
                                      150 lbs.