21 Vs. 22-Inch Mower Deck: What Size Mower is Right for Your Lawn?

Mowing your lawn is a summer ritual for many people. The task can be enjoyable, but it’s also important to have the right tools for the job.

If you’re shopping for a new lawn mower, you’ll likely come across models with different deck sizes.

There is a lot of debate in the lawn mower community about the ideal deck size. Some people swear by a 21-inch deck, while others think a 22-inch deck offers the best results.

So what’s the difference between a 21-inch and 22-inch mower deck size?

And which one should you choose for your garden? Let’s take a closer look at both options to help you make the best decision for your yard.

Difference Between 21 Inch and 22-inch Mower Deck

According to a different brand, a 21-inch mower deck and a 22-inch mower deck have a few differences. Here are some of the key 21 vs. 22-inch mower deck differences:

21 Inch Mower Deck

This size mower deck is ideal for tight spaces and maneuverability.


  1. The small size makes it easier to maneuver, especially around tight corners and obstacles.
  2. It is also lighter weight and generally less expensive than a wider model.
  3. 21-inch decks are easier to clean since there is less surface area.


  1. You have to make more passes over the lawn to cover the same amount of ground, which can take more time.
  2. The smaller cutting width also means that the 21-inch mower will discharge clippings more often.

22 Inch Mower Deck

A 22-inch mower deck is a great choice for those who want more cutting power and versatility. This size deck also provides more bagging capacity, making it ideal for larger lawns.


  1. A wider cutting width means you can cover more ground in less time.
  2. The 22-inch deck also provides a better cut quality, especially if your lawn is on the longer side.
  3. You won’t have to empty the grass catcher often with a 22-inch mower.


  1. A wider mower deck can be more difficult to maneuver, especially around tight corners and obstacles.
  2. These models are also generally heavier and more expensive than a narrower models.

How Does Each Size Impact Your Ability To Cut the Grass?

The 21-inch mower will offer you a much smaller cutting area than the 22-inch model. This means cutting your lawn with a 21-inch mower will take longer. This may not be a big deal if you have a smaller yard. But it’s definitely something to consider if you have a larger yard.

The other thing to consider is how each size impacts your ability to maneuver around obstacles. The 21-inch mower will be much easier maneuvering around obstacles than the 22-inch model. So, if you have a lot of obstacles in your yard, the 21-inch mower may be the better option.

Can You Put a 21 Inch Blade on a 22 Inch Mower

Yes, it will work, but the 21-inch blade is designed for a 21-inch mower, so you will lose some cutting power and performance. The 21-inch blade will also stress the 22-inch mower, leading to premature wear or failure. It is not recommended to use a 21-inch blade on a 22-inch mower.

In the end, deck size is a personal preference. If you have a small yard, you may not need the extra cutting width that a 22-inch mower offers. On the other hand, if you have a large yard or lots of obstacles, a 21-inch mower may not be able to handle the job. Ultimately, the best lawn mower for you is the one that fits your specific needs and lawn size.

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