MTD 490-100-0056
MTD 490-100-0056
Hover to zoom
1 Of 5

MTD (21"/22") Universal Dethatching Blade For Walk Behind Mowers



Write a Review
Only 2 In-Stock
Ships Wednesday, Apr 14th
Shipping to60601
Shipping Details
  • Expedited Shipping Available - Shipping rates calculated at Checkout. Learn More
*We currently CANNOT ship this product to Canada or any destination outside of the United States
MTD (21
MTD (21"/22") Universal Dethatching Blade For Walk Behind Mowers
Model: 490-100-0056
Product Q&A
How-To Articles


  • Use Your Lawn Mower To Dethatch Your Lawn
  • Easily installed on your walk behind lawn mower
  • .170" thick nylon lines lift the thatch out of your lawn
  • Detaches, scalps, rakes, cuts, mulches, and bags
  • Loosens And Lifts Thatch For A Healthier Lawn
  • Promotes continued healthy lawn growth
  • Not as effective as a powered dethatcher or tow-behind dethatcher
  • Contains Blade, Hardware Pack And Dethatching Line
  • All steel blade with 7/8" diameter round center hole
  • 3/8", 7/16" & 5/8" center hole adapters are included
  • Replacement nylon line sold separately (order #490-040-0016)
  • Compatability:
  • Fits most 21" and 22" walk-behind mowers
  • Including AYP/EHP/Sears/Craftsman, Bolens, Honda, Huskee, Husqvarna,
  • MTD, Murray, Poulan, Snapper, Toro, Troy-Bilt, Yard Machine
  • Does not fit Honda Harmony, Lawn Boy or Toro Recycler models
  • 20047, 20064, 20076, 20079, 20086, 20087, 20089, 20096, 20070
  • Does not fit any riding mowers or zero turn mowers
California residents see
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm..
For more information go to:


Product Length
16.5 Inches
Product Width
2.25 Inches
Product Height
0.20 Inches


MTD 490-100-0056 Reviews & Ratings

Product Q&A

Be the First to Ask A Question Answered by Jake, the Lawn Mower Expert

Recommended Accessories

Expert Recommended Accessories Selected by Jake, our Expert
Required Accessories 9
These accessories are required to properly setup/install this product.
Optional Accessories 10

How-To Articles

Lawn Mower Blade Sharpening and Replacement
For the homeowner or property owner who’s been looking forward to green s...
How to Tune-Up a Walk-Behind Lawn Mower
After six months of cold storage, your lawn mower might need a little jump star...
The Simple Solution to Healthy, Dethatched Grass
Go outside and look at your lawn. Does everything look fine? Take a closer look...
Mowers How-To Library
Articles, Tips and Buying Guides from Our Experts
Media Gallery
MTD (21"/22") Universal Dethatching Blade For Walk Behind Mowers
MTD 490-100-0056
Reset View
Customer Review Images