How Do I Know What Size Lawn Mower Blade I Need
Purchasing replacement blades for your lawn mower is a relatively like shooting fish in a barrel chore if you know your backyard mower bract's part number. If you have your lawn mower's model and serial number, referencing that mower's model and serial number parts diagram is another fool-proof way to buy the correct blade.
Simply, what if you don't have any of these part numbers to reference? How practice you determine which blades will fit your mower?
By the time you are finished reading our Ultimate Guide to Lawn Mower Blades article, you should take all the info y'all need to purchase a bract that volition work perfectly with your lawn mower.
How to measure lawn mower blades
We'll get into the various types of lawn mower blades further into the article (skip to view types of lawn mower blades). Showtime, we will walk you through measuring the blade on your lawn mower to make up one's mind which size blade you need.
Mensurate mower blades diagonally
The most common mistake nosotros run into when people are attempting to measure their lawn mower bract is measuring straight across the blade.This is going to requite you lot an inaccurate measurement!
To properly measure a backyard mower blade, measure the blade diagonally.
Center hole bore
The next measurement y'all will need is the diameter of the center hole of your lawn mower blade.
If your mower blade has 3 holes, brand certain you are measuring the center hole!
To measure the diameter, measure straight beyond.
If your mower blade does not have a circle for the eye hole, you will demand to determine what the shape in referred to. More on mower blades without circumvolve-shaped holes in simply a second...
If your mower blade has "outside holes"
If you observe ii holes on either side of the center pigsty in your lawn mower blade, you lot volition also need to have some measurements here.
Many push button lawn mowers and some other types of mowers employ these outer holes to ensure the blades practise not hit each other while in utilize. Many commercial lawn mowers use ii or iii blades, not merely 1 blade.
A perfect example of this is the Exmark Commercial 30. This is an oversized 30" broad commercial push button mower that utilizes the center holes to ensure each blade is mounted in the right position.
Over again, you will want to measure the diameter of these holes.
You will likewise demand to measure the distance betwixt the heart of these ii exterior holes. This measurement is referred to every bit center to heart.
Lawn mower blade center hole types
About lawn mower blades have circles as the center hole shape. If your blade does not, hither is a quick reference of other possible mower blade eye pigsty types.
Less mutual but not pictured center pigsty types include a foursquare and a vii-point star center pigsty.
Measuring your mower blades width
The width of a lawn mower bract is usually not relevant to the fitment of the blade but nosotros wanted to brand sure you knew where to measure out if this is applicable to your mower.
To accurately measure the width, make sure you are measuring straight beyond and measuring at the widest department of your bract.
Right-hand cut vs left-hand cutting blades
Believe it or not, the cutting border is non on the same side for all lawn mower blades.
Right-hand cutting lawn mower blades are overwhelmingly the most common type.
Left-hand cut blades tin can be found on some mower's manufactured by Kubota, Woods, Walker, and others.
Lawn Mower Bract Thickness
It is recommended to stick with the specs of the blade that came stock on your lawn mower. If for whatever reason you cannot decide the OEM blade part number, don't stress nearly the thickness of the blade. It is not a huge deal, although using a bract that is too thick could lower the RPMs to a point where cut quality is lost.
Equally you might expect, blade thickness is measured by measuring the top of the blade to the bottom.
If you are bending a lot of blades, you may want to purchase a thicker backyard mower blade or just terminate hitting rocks! Believe me, I've had 100+ employees in my lawn intendance business organization over the years and completely understand if y'all are non sure if your employees are looking at what they are cutting equally they are working! 🤣
Types of lawn mower blades
Now that yous understand how to measure backyard mower blades properly and the various types of center holes you may notice, let'due south take a look at the different types of lawn mower blades and when yous may want to consider each blazon.
We should mention y'all may see "standard blade" in the description of some lawn mower blades. This is basically the middle ground between high lift and low lift lawn mower blades. Information technology is pretty suitable for any type of cut.
High lift lawn mower blades
High elevator backyard mower blades create a lot of lift due to the exaggerated fin on the non-cutting edge side of the blade.
When to use high lift lawn mower blades:
- When you lot are cutting tall grass (Grass over 3" tall)
- When you are cutting flimsy grass such as turf-type tall fescue
When non to use high elevator backyard mower blades:
- In sandy soil weather condition
Lowliftlawnmowerblades
Low lift lawn mower blades create little lift due to the exaggerated fin on the non-cutting edge side of the bract.
When to employ low lift lawn mower blades:
- When you are cut short grass (Grass nether 3" tall)
- When you are cutting rigid grass such as Bermudagrass
- In sandy soil conditions (see flat blades likewise)
When not to use low lift backyard mower blades:
- When cut grass over 3.5"
Gator blades
Gator blades are also referred to as 3-in-1.Gator blades are often used by professional mowing companies in the fall to shred leaves equally they mow. Some companies run gator blades all year long.
Gator blades also shred longer grass blades before being discharged from the mower's deck. Gator blades do create some lift.
When to use gator blades:
- In the fall
- When mowing overgrown grass
When not to employ gator blades:
- Possible issues in sandy soil conditions
Mulchingblades
Mulching blades mulch the grass clippings to let for returning the grass clippings to the soil equally natural nutrients.
It is important to note, you can certainly discharge the clippings from the mower's deck dorsum into the lawn without mulching blades every bit long as you are cutting your grass on a frequent enough footing.
When to use mulching blades:
- When you are non discharging the clippings or bagging
- When you are following the 1/3 rule (simply remove 1/3 or less of the grass blade each time you mow)
When not to apply mulching blades:
- When cut overgrown grass
- When bagging or discharging the grass clippings
Flatlawnmowerblades
Flat lawn mower blades create zero elevator due to the blade existence completely flat.
When to apply apartment lawn mower blades:
- In extremely sandy soil weather condition or when cutting a rigid grass type
When not to use apartment lawn mower blades:
- Nearly of the fourth dimension! Simply utilize flat lawn mower blades when in extremely sandy soil weather condition and cutting a rigid grass type
Cocky-sharpening lawn mower blades
To ensure this commodity covers all the bases, we wanted to include a new selection when it comes to backyard mower blades.
Self-sharpening blades apply patented technology to literally sharpen themselves as you mow. The early adopters seem to agree that these blades practice in fact acuminate themselves.
Of grade, these blades come with a hefty price tag equally far as backyard mower blades are concerned. Information technology will be for you to determine if they are worth the investment.
When to acuminate lawn mower blades
Factors such as how much use, what blazon of grass you are cutting, the length of grass yous are cutting, soil weather condition, and other factors will determine how often you will need to sharpen your lawn mower blades.
Afterwards finishing this article, bank check out our guide on sharpening lawn mower blades.
The best style to determine when you need to sharpen your lawn mower blades is by but looking at the cut quality. This refers to the sharpness of the cut yous are getting out of your blades.In the motion-picture show above y'all can clearly run into the blades on the lawn mower that cut this grass need to be sharpened as they are tearing the grass instead of cutting it.
How to tell if a mower blade has been sharpened too many times
If you lot read the manuals, most lawn mower blade manufacturers recommend replacing the blades when there is 1/2" left between the cut edge and the fin, sail, or lift. The fin, sail, or lift is referring to the role of the bract that is angled up.
If you continue to mow with less than 1/2" of material left, you are putting yourself and others in danger every bit there is a great possibility this blade could fail and send a piece of the blade flying from your mower. Please take this recommendation seriously!
Even if no 1 is hurt if this occurs, you very well could be on the hook for property harm costs.
When to replace backyard mower blades
At some point, lawn mower blades tin no longer be sharpened and will need to exist replaced.
You may demand to replace your backyard mower blades because you accept sharpened them besides many times and have removed as well much material from the blade.
Other reasons you may demand to replace your lawn mower blades are much more obvious.
For example, if you bend your lawn mower bract, it should be replaced. Please practice not attempt to curve information technology back to being straight once again. The integrity of the blade was lost as soon every bit it was aptitude.
Other reasons to replace your lawn mower blades include large chunks missing due to hitting an obstruction or hairline fractures. You should always inspect your lawn mower blades when sharpening or if you know you just striking an object you shouldn't take!
OEM vs Universal Lawn Mower Blades
Something worth noting nigh backyard mower blades is that y'all do not have to stick with the OEM blades that came with your lawn mower!
Some stock blades simply do not provide a great cut quality. The 2 most important factors when purchasing aftermarket blades is that you purchase blades with the same length and center hole diameter. If your blade has the additional outer holes, you need to account for these specs too.
Above is an instance of a universal replacement bract that has an elongated pigsty instead of a circle. You lot will often see this on universal blades that account for outer holes because they want the blade to fit as many makes and models of mowers as possible.
Where to buy backyard mower blades?
Great question. You are in the correct place!
iGoPro Lawn Supply has over 900 lawn mower blades in stock.
We more likely take the blade you lot demand and have the all-time price you volition observe online.
Become ahead and shop backyard mower blades now. Nosotros recommend searching for the blade yous need by part number, but by now you are fully prepared to mensurate your blades and purchase the perfect replacement blade.
Lawn Mower Blade Conclusion
To wrap this upward, let's just summarize the most important information we covered.
The 2 most important things to note when purchasing lawn mower blades is the length of the blade and the center pigsty bore.
Make sure you purchase a blade with the appropriate outer holes as well if your mower requires them.
Use high lift blades if you are mowing absurd-season grasses.
Utilise low elevator blades if you are mowing warm-season grasses.
Endeavour gator blades if you are mowing long grass or would like to shred leaves as y'all mow.
Mulching blades should but be used with a mulching backyard mower or a lawn mower with a mulching kit installed.
Ryan Sciamanna
Ryan is the possessor and founder of Backyard Crack, Optimized SEO and Websites, iGoPro Lawn Supply, and iGoPro Marketing. After working in about every aspect of the lawn care industry, Ryan started his own lawn care visitor with a button mower and no experience owning a business.
x years afterward he sold his business organization for a salubrious turn a profit and continues to serve the lawn and landscape industry with high-quality products and website and online marketing services. Ryan likewise offers free content to aid new lawn care business concern owners and DIY homeowners professionally maintain their lawns!
You tin can keep learning on LawnCrack.com's or iGoProLawnSupply.com'due south blogs or the LawnCrack YouTube channel. Free resources are available for download on LawnCrack.com. Consider buying the eBook version of Cracking the Lawmaking to Profit in the Lawn and Mural Industry. In the book, Ryan lays out exactly how he built a profitable lawn care business and how you tin exercise the same.
How Do I Know What Size Lawn Mower Blade I Need,
Source: https://igoprolawnsupply.com/blogs/iampro-blog/lawn-mower-blades-ultimate-guide
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