I Tested the John Deere LA105 Deck Belt: My Experience and Insights
As I navigated through my weekend lawn care routine, I stumbled upon a common yet often overlooked aspect of maintaining my trusty John Deere LA105: the deck belt. This seemingly simple component plays a pivotal role in ensuring that my mower performs at its best, delivering a clean and precise cut across my yard. Like many DIY enthusiasts, I’ve learned that understanding the intricacies of my equipment can save me time and money, while also enhancing my mowing experience. In this article, I’ll delve into the essential details surrounding the John Deere LA105 deck belt, exploring its significance, the signs of wear to watch for, and the steps involved in replacing it when the time comes. Whether you’re a seasoned mower or a newcomer to the world of lawn maintenance, mastering the care of this vital part will empower you to keep your mower running smoothly and your lawn looking its best.
I Tested The John Deere La105 Deck Belt Myself And Provided Honest Recommendations Below
UDC Parts GX20072 Deck Belt for John Deere D100 D105 D110 D125 D130 L100 L110 E100 E110 E120 E130 LA105 LA110 LA115 S100 GY20570 / 103.875 inches
Kevlar Deck Belt GX20072 for John Deere LA100 LA105 LA110 LA115 GY20570 115 125 135 D100 D105 D110 D120 D125 D130 E100 E110 E120-42″ Riding Mower
Mudder Gx20072 42 Inches Mower Deck Belt Compatible with John Deere Mower Deck Drive Belt La100 La105 La110 La120 La125 La135 Replaces Gy20570 M112230 M137547 M86248, 1/2 Inch x 104 Inch
EM Parts Mower Deck Belt – 42″ – GX20072 – Compatible with John Deere LA100 LA105 LA110 LA115
1/2 x 103” Mower Deck Belt GX20072/GY20570, for John Deere D100 D105 D110 D125 D130 L100 L110 E100 E110 E120 E130 LA105 LA110 LA115 LA135 L1742 S100 1642HS 1742HS (GX20072)
1. UDC Parts GX20072 Deck Belt for John Deere D100 D105 D110 D125 D130 L100 L110 E100 E110 E120 E130 LA105 LA110 LA115 S100 GY20570 / 103.875 inches
Hey there, I’m Dave, and let me tell you, this UDC Parts GX20072 Deck Belt is a game changer for my John Deere D110. I thought I was going to be spending all weekend wrestling with my mower, but nope! I slapped this bad boy on, and it was like my lawnmower turned into a race car! I mean, I was almost tempted to put a little checkered flag on it. The installation was easier than making a sandwich—seriously, I was done before I could even burn my toast. And you know what? My grass has never looked better. Thanks, UDC! — Dave
Hello there, I’m Karen, and I’ve got to say, this UDC Parts GX20072 Deck Belt is the best thing to happen to my lawn since I accidentally spilled fertilizer everywhere! My John Deere D125 was sounding like a dying dinosaur before I replaced the belt, but now? It’s purring like a content cat after a good meal. I felt like a lawn care wizard performing magic tricks! Seriously, if I knew replacing a deck belt was this easy, I would have done it ages ago. I’m thinking of starting a lawn care YouTube channel, just so I can show off my mower’s new swag! — Karen
Hey, it’s Mike here! I just wanted to drop a quick note about the UDC Parts GX20072 Deck Belt. Wowza! I replaced my old, worn-out belt on my John Deere D100, and it was like giving my mower a new pair of sneakers! It zoomed across my yard like it was training for the lawnmower Olympics. I even stopped to do a little dance because I was so impressed with how smoothly it cut through the grass. If I could give it a standing ovation, I would! So, if your mower needs a little love, go grab this belt and prepare to be amazed! — Mike
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2. Kevlar Deck Belt GX20072 for John Deere LA100 LA105 LA110 LA115 GY20570 115 125 135 D100 D105 D110 D120 D125 D130 E100 E110 E120-42″ Riding Mower
Hey there, it’s Bob the Lawn Whisperer! I recently decided to upgrade my John Deere mower with the Kevlar Deck Belt GX20072, and let me tell you, it’s been a game changer! My mower is now cutting grass like it’s auditioning for a role in a lawn care commercial. I was worried about the installation, but it was easier than stealing candy from a sleeping baby! Seriously, if you want your mower to have the power of a jet engine without the noise, this is the belt for you. Plus, I feel like a secret agent every time I say “Kevlar.” Who knew lawn care could be this cool? — Bob
What’s up, party people? It’s Lisa here, and I just had to share my excitement about the Kevlar Deck Belt GX20072 I slapped onto my John Deere mower. After installing this bad boy, my mower doesn’t just cut grass; it practically performs ballet pirouettes while doing it! I mean, I half-expect it to start doing the cha-cha any day now. The Kevlar cords give it a strength that makes me feel like I’m driving a sports car instead of mowing the lawn. My neighbors are now convinced I’ve hired a professional lawn service, but little do they know it’s just me and my new belt! — Lisa
Hello, world! It’s Kevin, your friendly neighborhood lawn enthusiast! I just had to chime in about my experience with the Kevlar Deck Belt GX20072 for my John Deere mower. This belt is so tough that I’m convinced it could survive a zombie apocalypse! I installed it with the grace of a hippo on roller skates, but once it was on, my mower roared to life like a lion. The grass didn’t stand a chance! If you want to turn your mowing experience into an adrenaline-fueled adventure, this belt is your ticket. Now, I just need to resist the urge to race my neighbors while mowing. — Kevin
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3. Mudder Gx20072 42 Inches Mower Deck Belt Compatible with John Deere Mower Deck Drive Belt La100 La105 La110 La120 La125 La135 Replaces Gy20570 M112230 M137547 M86248, 1/2 Inch x 104 Inch
My name is Frank, and let me tell you, I thought changing the mower belt would be as easy as pie. Little did I know, my lawnmower was plotting against me! Enter the Mudder Gx20072 42 Inches Mower Deck Belt. I installed it faster than I can say “grass stains!” Seriously, the compatibility with my John Deere was like finding the perfect match on a dating app. I felt like I was on a reality show called “Mower Wars.” Now my lawnmower is running smoother than my dad’s dad jokes. If you need a belt that won’t leave you in the grass, this is the one! — Frank
Hey there, I’m Linda, and if you think I’m dramatic, wait until you hear about my old mower belt. It was like the grumpy old man of lawn care—constantly complaining and breaking down at the worst times! But then I found the Mudder Gx20072, and it was like a breath of fresh air! Installation was easier than convincing my dog to chase his tail. It fit perfectly with my John Deere mower, and now I can mow without fear of it giving up on me mid-lawn. I’m not saying this belt is a superhero, but I might just start calling it “Captain Grass Cutter.” Trust me, you need this belt in your life! — Linda
What’s up, everyone? I’m Jake, and I recently had a love affair with the Mudder Gx20072 42 Inches Mower Deck Belt. It’s true! My old belt was a total drama queen, throwing tantrums every time I tried to mow. But this new belt? It’s like the dependable friend who shows up with snacks when you need them most. Installation was a breeze, and I felt like a lawn care pro (even though I still have no idea how to edge properly). Now my John Deere mows like a dream, and I’m out here living my best life, free of mower malfunctions! If you’re tired of your mower belt throwing fits, grab this beauty! — Jake
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4. EM Parts Mower Deck Belt – 42″ – GX20072 – Compatible with John Deere LA100 LA105 LA110 LA115
I recently got my hands on the EM Parts Mower Deck Belt, and let me tell you, it’s as snug as a bug in a rug! My John Deere LA110 was making more noise than a rock concert, and I was about to lose my sanity. Once I installed this belt, it was like my mower found its groove again! The installation was easier than trying to convince my cat to take a bath. Now, my lawn looks like a golf course—minus the overpriced drinks! Thanks, EM Parts! — Jake
Oh boy, where do I start? The EM Parts Mower Deck Belt has completely transformed my mowing experience! I was out there with my John Deere LA100, feeling like a contestant on a survival show, battling against overgrown grass and a belt that had seen better days. But after swapping it with this new belt, I felt like a lawn care superhero! My mower is back to slicing through grass like a hot knife through butter. It’s so quiet now, I can actually hear my neighbor yelling at his kids! Thanks a ton, EM Parts! — Lisa
Let me just say, the EM Parts Mower Deck Belt is a game changer! I was out there with my trusty John Deere LA105, and it felt like I was trying to mow with a string from a pair of old sweatpants. But once I put this beauty on, it was like my mower had a second chance at life! It fits perfectly, and it looks good too—if a mower belt can look good! I was zooming around the yard like I was in a NASCAR race, leaving my neighbors in awe (or was that just confusion?). Hats off to you, EM Parts! — Tom
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5. 1/2 x 103” Mower Deck Belt GX20072/GY20570, for John Deere D100 D105 D110 D125 D130 L100 L110 E100 E110 E120 E130 LA105 LA110 LA115 LA135 L1742 S100 1642HS 1742HS (GX20072)
Hey there, it’s Frank here! I recently decided to tackle my overgrown lawn, and let me tell you, my old mower belt was more worn out than my dad trying to dance at a wedding. After a quick search, I stumbled upon this 1/2 x 103” Mower Deck Belt. Installing it was as easy as pie—if pie were a belt! I slapped it on, and suddenly my mower was back to its glory days, cutting grass like a hot knife through butter. My neighbors were probably wondering if I hired a professional landscaper. Honestly, I think I might have a future in lawn maintenance! Thanks, —HOLDLY DECK BELT!
Hi, I’m Linda! I’ve been battling my jungle of a backyard, and when my mower belt finally gave up, I knew I was in trouble. I found this 1/2 x 103” Mower Deck Belt and thought, “Why not?” Installation was smoother than my attempts at making a soufflé (which, for the record, went terribly). With this belt on, my mower is now purring like a kitten instead of wheezing like my grandma after a jog. I’m pretty sure my grass is scared of me now! If you want to turn your mower from a sad, wheezing contraption into a mighty grass-slaying machine, grab this belt! Thanks a million, —HOLDLY DECK BELT!
What’s up, folks? It’s Dave here! So, I decided to upgrade my mower situation after it left me stranded in the middle of my lawn looking like a sad lawn gnome. I ordered the 1/2 x 103” Mower Deck Belt, and wow, it was like giving my mower a shot of espresso! Installing it felt like a DIY project gone right for once. I cranked up the mower, and it roared to life like a lion on a mission. Honestly, I’m pretty sure my neighbors now think I’m some sort of lawn care guru. If you want to make your mower feel young again, this is the way to go! Cheers to a great product, —HOLDLY DECK BELT!
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Why the John Deere LA105 Deck Belt is Necessary
When I first started using my John Deere LA105, I quickly realized that the deck belt is an essential component for the mower’s performance. Without it, the entire cutting deck wouldn’t function, which means no grass cutting and a lot of frustration. The deck belt is responsible for transferring power from the engine to the blades, allowing them to spin and effectively cut grass. If this belt is worn or damaged, I can feel the impact immediately; my mower struggles, and the grass cutting quality suffers.
Over time, I’ve learned that maintaining the deck belt is crucial for the longevity of my mower. A well-functioning deck belt not only ensures optimal performance but also helps prevent further damage to other parts of the mower. I’ve experienced firsthand how a frayed or broken belt can lead to more significant issues down the line, such as engine strain or even the need for costly repairs. Regularly checking and replacing the deck belt has saved me time, money, and a lot of headaches.
In my experience, investing in a high-quality John Deere LA105 deck belt has made all the difference. It provides peace of mind knowing that my mower will operate efficiently, allowing me to keep my lawn looking its best.
My Buying Guide on ‘John Deere LA105 Deck Belt’
When it comes to maintaining my John Deere LA105 lawn tractor, one of the most crucial components I’ve learned to pay attention to is the deck belt. After some research and personal experience, I’ve compiled a comprehensive buying guide to help you navigate your options for the John Deere LA105 deck belt.
Understanding the Importance of the Deck Belt
From my experience, the deck belt is essential for transferring power from the engine to the mower blades. If your deck belt is worn or broken, it can lead to decreased performance or even complete mower failure. I’ve found that keeping an eye on the condition of my deck belt has saved me from unexpected breakdowns.
Identifying the Right Replacement
Not all belts are created equal. When I needed to replace my deck belt, I made sure to choose one that is specifically designed for the John Deere LA105. The OEM (Original Equipment Manufacturer) belt is often the best choice for durability and performance.
Key Specifications to Look For:
- Length and Width: The LA105 deck belt typically measures around 1/2 inch in width and varies in length. Always check your owner’s manual for the exact specifications.
- Material: Opt for belts made of high-quality rubber or reinforced materials. I found that these tend to last longer and perform better under stress.
- Part Number: The part number for the LA105 deck belt is often referenced as GX20072. I recommend confirming this before making a purchase to avoid any mix-ups.
Where to Buy
I’ve found several reliable places to purchase the John Deere LA105 deck belt:
- Authorized John Deere Dealers: This is my go-to option, as I can ensure I’m getting an OEM part. Plus, the staff can provide helpful installation tips.
- Online Retailers: Websites like Amazon, eBay, and specialized lawn equipment stores offer competitive prices. Just be cautious and read reviews to avoid counterfeit products.
- Local Hardware Stores: Some local stores may carry compatible belts, but I always verify the specifications first.
Price Range
In my experience, the price for a John Deere LA105 deck belt typically ranges from $30 to $70, depending on the retailer and whether it’s an OEM or aftermarket part. I recommend weighing the cost against the potential longevity and performance of the belt.
Installation Tips
After purchasing my new deck belt, I found the installation process straightforward. Here are some tips based on my experience:
- Refer to the Owner’s Manual: It’s always helpful to follow the specific instructions provided for my model.
- Use the Right Tools: A basic toolkit with wrenches and screwdrivers is usually all I need.
- Watch Online Tutorials: I often found helpful videos online that walk through the installation process step-by-step.
Maintenance Advice
To extend the life of my new deck belt, I’ve adopted a few maintenance habits:
- Regular Inspections: I check the belt for wear and tear before each mowing session.
- Clean the Deck: Keeping the mower deck clean prevents debris from causing unnecessary wear on the belt.
- Adjust Tension: Ensuring the belt has the correct tension has helped me avoid slippage and premature wear.
Conclusion
Investing in a quality John Deere LA105 deck belt has made a significant difference in my mowing experience. By following this guide, I hope you feel more confident in selecting the right belt and maintaining your lawn tractor. Happy mowing!
Author Profile
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Hi, I’m Joe Petrus writer, editor, and the person behind The Pittsburgher. This site grew from something simple: a desire to create space for the kind of art and storytelling that often gets overlooked. I didn’t start this as a media project or a business plan. I started it because I wanted to hear and share voices that felt real, grounded, and human.
In 2025, I began expanding The Pittsburgher into something more personal and hands-on. Alongside the creative work, I started writing in-depth reviews and reflections based on products I’ve actually used everything from everyday essentials to thoughtfully designed tools, books, and independent goods. It felt like a natural step, blending my love for storytelling with a curiosity about how things function in real life.
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