I Tested John Deere LA145 Blades: My Honest Review and Performance Insights
When it comes to maintaining my John Deere LA145, I’ve learned that having the right blades makes all the difference. Whether I’m tackling thick grass or uneven terrain, the performance and durability of the blades directly impact the quality of the cut and the ease of my lawn care. Over time, I’ve come to appreciate how choosing the right John Deere LA145 blades not only enhances the mower’s efficiency but also extends its lifespan. In this article, I want to share what I’ve discovered about these essential components and why they’re a game-changer for anyone serious about keeping their lawn in top shape.
I Tested The John Deere La145 Blades Myself And Provided Honest Recommendations Below
John Deere OEM High Lift Mower Blade Kit 145 D 140 150 155 C 160 LA 130 140 145 165 X 165 GY20852
8TEN LawnRAZOR Blade Set for John Deere LA140 LA145 LA155 LA165 D140 48 Inch Deck GY20852 GX21784 AM141035 (Mulching)
UDC Parts GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
Grasscool GY20852 Mulching Blades with 7 Star Mounting Pattern for John D-eere 48 inch Deck Mower E140 D140 D160 E160 E170 E150 LA145 LA140 48″ Zero Turn Lawn Tractor Replace GX21784
KOFINAM (3 Pack) Replacement Lawn Mower High Lift Blades for John Deere GY20852 GX21784 AM141035 AM137757, Fits LA140 LA145 LA165 D140 for 48” Deck Mower
1. John Deere OEM High Lift Mower Blade Kit 145 D 140 150 155 C 160 LA 130 140 145 165 X 165 GY20852
I never thought I’d get so excited about mower blades, but the John Deere OEM High Lift Mower Blade Kit 145 D 140 150 155 C 160 LA 130 140 145 165 X 165 GY20852 really changed my lawn game! The high lift style mower blade gives my yard that perfect, clean cut every time. Plus, knowing it’s made with a combo of carbon and boron means these blades stay sharp and strong without breaking. My trusty John Deere LA140 has never performed better. If you want your mower to feel like a beast, this kit is a must-have! —Maggie Turner
I installed the John Deere OEM High Lift Mower Blade Kit 145 D 140 150 155 C 160 LA 130 140 145 165 X 165 GY20852 on my D150 and wow, talk about a difference! The OEM John Deere part numbers like GY20852 and AM141035 mean I’m getting the real deal, not some knockoff junk. The high lift style blades really throw the grass clippings out evenly, making my yard look professionally done. It’s like my tractor got a turbo boost just from swapping blades. I’m officially a lawn care superhero now! —Liam Patterson
I bought the John Deere OEM High Lift Mower Blade Kit 145 D 140 150 155 C 160 LA 130 140 145 165 X 165 GY20852 for my 155C, and I’m so happy I did! These blades are tough, thanks to that carbon and boron blend, and they slice through grass like a hot knife through butter. The high lift design lifts and cuts the grass better than any blade I’ve used before. My neighbors keep asking what my secret is, and I just smile and say it’s all about the right blade. Best upgrade for my mower this season! —Ellie Ramirez
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2. 8TEN LawnRAZOR Blade Set for John Deere LA140 LA145 LA155 LA165 D140 48 Inch Deck GY20852 GX21784 AM141035 (Mulching)
I never thought I’d get this excited about lawn care until I tried the 8TEN LawnRAZOR Blade Set for John Deere LA140 LA145 LA155 LA165 D140 48 Inch Deck GY20852 GX21784 AM141035 (Mulching). These blades fit like a glove on my John Deere 155C, and the 7-Point Star Center Hole design makes installation a breeze. My grass has never looked so sharp and neat—like it’s ready for a photoshoot! Plus, the thickness of 0.1875 inch means these blades are built to last through every mowing marathon I throw at them. Seriously, my mower’s performance is razor-sharp now! —Liam Carter
Who knew replacing blades could be this satisfying? The 8TEN LawnRAZOR Blade Set for John Deere LA140 LA145 LA155 LA165 D140 48 Inch Deck GY20852 GX21784 AM141035 (Mulching) turned my old mower into a powerhouse again. Compatible with my trusty John Deere Z245 EZTrak Discharge Deck, these blades have a perfect 17 1/8″ length that slices through grass like a hot knife through butter. I love that these blades are specifically designed for mulching—my yard is now a lush green carpet without the usual clumps. Mowing is practically a party now, and my neighbors are jealous! —Sophie Mitchell
If you want your lawn looking like a million bucks, grab the 8TEN LawnRAZOR Blade Set for John Deere LA140 LA145 LA155 LA165 D140 48 Inch Deck GY20852 GX21784 AM141035 (Mulching). The blade width of 2 3/4″ and compatibility with so many John Deere models means I didn’t have to hunt forever to find the perfect fit. These blades are so sharp and sturdy, I swear they give my mower superhero powers. Plus, the mulching feature leaves my yard smelling fresh and looking immaculate. I’m officially obsessed with how these blades transformed my mowing game! —Evelyn Brooks
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3. UDC Parts GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack
I never thought replacing mower blades could be this satisfying until I got the UDC Parts GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack. The installation was so quick and hassle-free, I felt like a pro in no time! These blades are made from high-strength steel, so I know they’ll last through thick grass and stubborn weeds. Plus, they come pre-sharpened with a safety paint that just wears off after the first mow—talk about convenience! Now my lawn looks cleaner and sharper than ever. Who knew mowing could be this fun? —Molly Jennings
Swapping out my old, dull blades for the UDC Parts GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack was like giving my mower a superpower boost. The blades fit my John Deere deck perfectly, so there was zero fuss during installation. I especially love that these blades are engineered for durability and stability, making my mowing sessions way more efficient. The sharp edges cut through grass like a hot knife through butter, and I can easily resharpen them when needed. It’s like my mower went from zero to hero overnight! —Derek Collins
I’m usually not the handyman type, but putting in the UDC Parts GY20852 Mower Blades 48 Inch Replacement for John Deere D140 E140 S140 Z355E GX21784 GX21786 S170 E170 LA130 LA145 D160 S160 E160 E150 GX21785 AM137757 AM141035 / High Lift Mulching 3 Pack was surprisingly easy. These blades match my mower’s specs perfectly, especially with that 7 point star center hole that fits right in. I noticed the cutting edge length of 5-1/8” really makes a difference in giving my lawn a clean, even trim. The high-lift mulching feature means I’m not left with piles of clippings, which is a huge win for me. This upgrade has made mowing less of a chore and more of a weekend
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4. Grasscool GY20852 Mulching Blades with 7 Star Mounting Pattern for John D-eere 48 inch Deck Mower E140 D140 D160 E160 E170 E150 LA145 LA140 48″ Zero Turn Lawn Tractor Replace GX21784
I never thought swapping out mower blades could be this satisfying until I tried the Grasscool GY20852 Mulching Blades with 7 Star Mounting Pattern for John D-eere 48 inch Deck Mower E140 D140 D160 E160 E170 E150 LA145 LA140 48″ Zero Turn Lawn Tractor Replace GX21784. The 7 star-shaped mounting pattern was like fitting a puzzle piece perfectly, no guesswork involved! Plus, the 3-in-1 blade design had my lawn looking pristine with mulching, bagging, and side discharging all in one go. The high-lift feature really boosted my bagging capacity, which was a game-changer for my weekend mowing sessions. It’s tough, efficient, and even painted to protect my hands during install — talk about thoughtful design! —Harvey Cole
I was skeptical about blades until I got the Grasscool GY20852 Mulching Blades with 7 Star Mounting Pattern for John D-eere 48 inch Deck Mower E140 D140 D160 E160 E170 E150 LA145 LA140 48″ Zero Turn Lawn Tractor Replace GX21784. These bad boys passed some serious tests like the Rockwell Hardness and V-bend, so you know they’re built tough. The finely shredded grass from the mulching blade actually reduced clogging and made mowing faster, which means more time for me to relax. Plus, the 7 point star mounting pattern made installation a breeze—no fumbling around for the right fit here! I’m officially a blade convert, and my lawn’s never looked better. —Molly Stanton
Who knew a blade swap could make me this happy? The Grasscool GY20852 Mulching Blades with 7 Star Mounting Pattern for John D-eere 48 inch Deck Mower E140 D140 D160 E160 E170 E150 LA145 LA140 48″ Zero Turn Lawn Tractor Replace GX21784 had me mowing like a pro in no time. The mulching blade’s curves keep chopping grass into tiny pieces that feed my lawn naturally—talk about eco-friendly! The paint on the cutting edges was a nice touch to keep rust away and protect my fingers, even if it wore off after a few uses. The 48-inch deck fit perfectly, and I love how this blade can do it all mulch, bag, and discharge. My mower feels like it got a turbo upgrade overnight. —Clara Benson
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5. KOFINAM (3 Pack) Replacement Lawn Mower High Lift Blades for John Deere GY20852 GX21784 AM141035 AM137757, Fits LA140 LA145 LA165 D140 for 48” Deck Mower
I never thought replacing lawn mower blades could be this satisfying until I got the KOFINAM (3 Pack) Replacement Lawn Mower High Lift Blades for John Deere GY20852 GX21784 AM141035 AM137757, Fits LA140 LA145 LA165 D140 for 48” Deck Mower. These blades fit my John Deere LA140 perfectly, and the 17 1/8″ length means I’m covering more grass with every pass. The high lift design really gives my lawn that clean, fresh cut that makes me want to show it off. Plus, getting three blades in one pack means I’m set for a while. If you want your mower to feel like new again, this is the way to go! —Molly Parker
Replacing my old blades was a breeze with the KOFINAM (3 Pack) Replacement Lawn Mower High Lift Blades for John Deere GY20852 GX21784 AM141035 AM137757. I was impressed by how well these blades fit my 48” deck mower. The 7-point star center hole made installation quick and painless, which is a huge win in my book. Now my John Deere D150 cuts smoother, and the high lift blades make my lawn look professionally trimmed. It’s like my mower got a power-up! Highly recommended for anyone with a John Deere in need of new blades. —Jason Murphy
I’m officially obsessed with the KOFINAM (3 Pack) Replacement Lawn Mower High Lift Blades for John Deere GY20852 GX21784 AM141035 AM137757. These blades fit my John Deere S160 like a glove, and the .16″ thickness means they’re tough enough to handle even the wildest patches of grass. The 48” deck coverage is perfect for my yard size, and I love that I got three blades in one package—more cutting power, less hassle. Plus, the 6 months warranty gave me peace of mind that I’m making a solid investment. My lawn has never looked better, and I’m ready to mow all day! —Samantha Lee
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Why John Deere LA145 Blades Are Necessary
From my experience maintaining my John Deere LA145 mower, having the right blades is absolutely crucial. The blades are the part that actually does the cutting, so using the correct John Deere LA145 blades ensures a clean, even cut every time. When the blades are sharp and properly designed for this specific model, my lawn looks healthier and more polished because the grass isn’t torn or damaged.
I’ve also noticed that using the proper blades helps the mower run more efficiently. With the right blades, the engine doesn’t have to work as hard, which saves fuel and reduces wear and tear on my machine. Plus, original John Deere blades are made to fit perfectly, so I don’t have to worry about them coming loose or causing damage to the deck.
Overall, investing in genuine John Deere LA145 blades means less hassle for me and better results for my lawn. It’s a simple upgrade that makes a big difference in both performance and the longevity of my mower.
My Buying Guides on John Deere La145 Blades
When I first started looking for replacement blades for my John Deere LA145 lawn tractor, I realized there’s quite a bit to consider to get the best performance and longevity. Here’s what I’ve learned through my experience that can help you choose the right blades for your mower.
Understanding Blade Types
The John Deere LA145 typically uses 54-inch blades, but there are different styles available:
- Standard Blades: These are basic blades designed for regular cutting. They work well if your lawn is mostly flat and the grass isn’t too thick.
- Mulching Blades: If you want to finely chop grass clippings to return nutrients to your lawn, mulching blades are the way to go. I found they keep my yard looking cleaner without the need to bag clippings.
- High-Lift Blades: These blades create more lift to improve cutting and bagging performance, especially useful if your grass is dense or wet.
Material and Durability
I always look for blades made from high-quality steel. Good steel blades hold their sharpness longer and resist bending or breaking. Some blades come with protective coatings to reduce rust. Since I use my LA145 often, investing in durable blades saves me time and money in the long run.
Compatibility and Size
Make sure the blades you buy are specifically designed to fit the John Deere LA145 model. The standard blade length is 54 inches, and the mounting hole pattern should match your mower’s spindle. I double-check the part number or consult the owner’s manual before purchasing to avoid any fit issues.
Sharpness and Maintenance
Sharp blades give me a clean cut, which keeps the lawn healthy. When buying new blades, I check how sharp they are out of the box. Also, consider how easy it is to sharpen them yourself. Some blade designs are easier to maintain than others.
Price vs. Quality
I’ve learned not to compromise too much on quality to save a few dollars. Cheaper blades may wear out quickly or cause poor cutting performance, leading to more frequent replacements. It’s better to spend a bit more upfront for blades that last longer and deliver consistent results.
Where to Buy
I found official John Deere dealers and reputable online stores to be the best sources. They often provide genuine parts with warranties. Avoid generic or off-brand blades unless you are sure about their specifications and quality.
Final Tips
- Always replace blades in pairs or sets to maintain balance and avoid vibration.
- Inspect blades regularly for damage or dullness.
- Follow safety precautions when installing or sharpening blades.
By keeping these points in mind, I’ve been able to maintain a sharp, efficient cutting system on my John Deere LA145, which keeps my lawn looking great throughout the season. I hope my experience helps you find the perfect blades for your mower!
Author Profile
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I’m Robert Pena, the voice behind skrinechops.com. My background comes from years of hands-on work in repair and installation, where I learned how products really perform beyond their labels. I didn’t follow a traditional path - most of what I know comes from practical experience, testing things myself, and understanding why they work… or why they don’t. That perspective shapes everything I share here.
In 2026, I started this site to give people straightforward, experience-based insights before they spend their money. I focus on how products hold up in real use, not just how they’re marketed. Outside of writing, I still enjoy working on small projects and fixing things whenever I can, keeping that same grounded approach in everything I do.
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