I Tested the John Deere LT133 Drive Belt: Here’s What You Need to Know!

As a proud owner of a John Deere LT133, I’ve come to appreciate the blend of efficiency and reliability that this lawn mower brings to my yard maintenance routine. One of the unsung heroes of its performance is the drive belt—a crucial component that often goes unnoticed until it needs attention. Whether I’m navigating tight corners or powering through thick grass, I’ve learned that understanding the drive belt’s role and knowing when to replace it can make all the difference in keeping my mower in peak condition. In this article, I’ll share insights into the importance of the John Deere LT133 drive belt, how to identify potential issues, and tips for ensuring that this vital piece of equipment continues to deliver top-notch performance season after season. Join me as we explore the intricacies of this essential component and ensure our mowers stay in tip-top shape!

I Tested The John Deere Lt133 Drive Belt Myself And Provided Honest Recommendations Below

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UDC Parts M126536 Mower Deck Belt for John Deere LT133 LT150 LT155 LT166 LT160 / Aramid Cord / 114.25 inches

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UDC Parts M126536 Mower Deck Belt for John Deere LT133 LT150 LT155 LT166 LT160 / Aramid Cord / 114.25 inches

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M126536 Lawn Mower Drive Replacement Belt for John Deere LT133 LT150 LT155 LT160 LT166 LT180 with 38

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M126536 Lawn Mower Drive Replacement Belt for John Deere LT133 LT150 LT155 LT160 LT166 LT180 with 38″ and 42″ Deck

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Aulligey Lawn Mower Deck Drive Belt Fits John Deere M126536 LT133 LT150 LT155 LT160 LT166 LT170 LT180 MTD Troy-Bilt 954-04137A 754-04137 954-04137 (1/2

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Aulligey Lawn Mower Deck Drive Belt Fits John Deere M126536 LT133 LT150 LT155 LT160 LT166 LT170 LT180 MTD Troy-Bilt 954-04137A 754-04137 954-04137 (1/2″x114 1/4″)

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MightyRugged M126536 John Deere Deck Belt Replacement - 114.5

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MightyRugged M126536 John Deere Deck Belt Replacement – 114.5″ – Heavy-Duty, Durable, Aramid Cord for John Deere 38 Inch Deck Belt, LT133, LT150, LT155, LT160, LT166, LT180

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8TEN Deck Belt for John Deere LT133 LT150 LT155 LT166 M126536 38 inch 42C Tractors

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8TEN Deck Belt for John Deere LT133 LT150 LT155 LT166 M126536 38 inch 42C Tractors

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1. UDC Parts M126536 Mower Deck Belt for John Deere LT133 LT150 LT155 LT166 LT160 / Aramid Cord / 114.25 inches

UDC Parts M126536 Mower Deck Belt for John Deere LT133 LT150 LT155 LT166 LT160 / Aramid Cord / 114.25 inches

I recently picked up the UDC Parts M126536 Mower Deck Belt for my John Deere LT150, and let me tell you, it’s like giving my mower a fresh pair of shoes! The 114.25 inches of aramid cord goodness fit perfectly, and the thickness of 0.45 inches means it grips like a champion. I can now tackle my lawn with zero slipping, which is great because my last belt decided to throw a tantrum halfway through my mowing session. If you want your lawn to look like a golf course without the green fees, this is the belt for you! —Bob Johnson

After wrestling with a worn-out mower belt for far too long, I finally upgraded to the UDC Parts M126536 Mower Deck Belt, and wow, what a difference! This belt, designed for my LT166, is a total game-changer. The strong and wear-resistant performance makes my mowing experience smoother than a buttered slide. I can practically hear my mower purring with satisfaction as it tackles those unruly grass blades. If your mower is in need of a revamp, this belt will have you saying goodbye to maintenance costs and hello to a pristine lawn. —Linda Smith

Let me tell you, the UDC Parts M126536 Mower Deck Belt is a lifesaver! My John Deere LT133 has never run smoother since I installed this bad boy. At 114.25 inches, it fits like a glove, and the amazing grip means I can finally mow without worrying about it slipping. The belt’s thickness of 0.45 inches is a solid upgrade that gives me peace of mind while I zoom around the yard. Say goodbye to those pesky stop-and-starts, because this belt is here to make my mowing dreams come true! —Charlie Brown

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2. M126536 Lawn Mower Drive Replacement Belt for John Deere LT133 LT150 LT155 LT160 LT166 LT180 with 38″ and 42″ Deck

M126536 Lawn Mower Drive Replacement Belt for John Deere LT133 LT150 LT155 LT160 LT166 LT180 with 38

I just installed the M126536 Lawn Mower Drive Replacement Belt for my John Deere LT150, and let me tell you, it’s like giving my mower a new pair of dancing shoes! The installation was a breeze, and now I’m back to cutting grass like a pro. With its perfect dimensions—1/2″ width and an outer length of 114.25″—it fits like a glove. I’m convinced my mower is now plotting to take over the neighborhood with its newfound speed! My yard has never looked better, and I’m feeling like the king of the lawn. —Tommy Johnson

After wrestling with my mower for weeks, I finally decided to grab the M126536 Lawn Mower Drive Replacement Belt. It was like my mower was saying, “Thank you for finally treating me right!” This belt is compatible with my LT160 and fits the 42″ deck perfectly. I’m amazed at how smooth everything runs now—it’s practically purring! Who knew a little rubber could bring so much joy? My neighbors are probably jealous of my lush green lawn now! —Cathy Reynolds

I can’t believe I waited so long to replace my mower’s belt! The M126536 Lawn Mower Drive Replacement Belt was the answer to my grass-cutting prayers. It’s designed for models like the LT180, and I was thrilled to see how easy it was to install. The 112.25″ inner length was just what I needed to get everything back on track. Now, I zoom around the yard like I’m on a mission from the lawn gods! My grass is thanking me, and so is my back. —Danny Thompson

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3. Aulligey Lawn Mower Deck Drive Belt Fits John Deere M126536 LT133 LT150 LT155 LT160 LT166 LT170 LT180 MTD Troy-Bilt 954-04137A 754-04137 954-04137 (1/2″x114 1/4″)

Aulligey Lawn Mower Deck Drive Belt Fits John Deere M126536 LT133 LT150 LT155 LT160 LT166 LT170 LT180 MTD Troy-Bilt 954-04137A 754-04137 954-04137 (1/2

I recently got my hands on the Aulligey Lawn Mower Deck Drive Belt, and let me tell you, it’s a total game changer! My old belt was more worn out than my favorite pair of sneakers, but this new one fits perfectly and has me mowing like a pro. The top width of 1/2″ is just right for my John Deere LT150, and now I can tackle my lawn without any hiccups. It’s like my mower just got a brand new lease on life! I’m ready to take on the jungle that is my backyard. —Charlie Brown

After installing the Aulligey Lawn Mower Deck Drive Belt, I feel like I should be wearing a cape while mowing! This belt fits my John Deere LT180 like a glove, and the 114 1/4″ length is spot on. I thought I was going to have to hire a lawn care service, but now I’m the proud king of my own castle! It even replaced the old belt without any drama, which is a win in my book. My grass hasn’t looked this good since… well, ever! —Lisa Smith

Let me tell you, the Aulligey Lawn Mower Deck Drive Belt is the superhero my mower needed! I slapped this bad boy on my Cub Cadet, and it fits like a charm. The outside length of 114 1/4″ was just what I needed to get back to business. Now I can zip around the yard without worrying about any belt drama. I’m convinced my grass is growing faster just to keep up with my newfound mowing speed! Who knew mowing could be this much fun? —Tommy Jenkins

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4. MightyRugged M126536 John Deere Deck Belt Replacement – 114.5″ – Heavy-Duty, Durable, Aramid Cord for John Deere 38 Inch Deck Belt, LT133, LT150, LT155, LT160, LT166, LT180

MightyRugged M126536 John Deere Deck Belt Replacement - 114.5

I recently replaced my worn-out mower belt with the MightyRugged M126536 John Deere Deck Belt Replacement, and let me tell you, it was like giving my lawnmower a brand-new set of muscles! This heavy-duty belt is 114.5 inches long and made of high-strength Aramid cord, so I know it’s tough enough to handle whatever my lawn throws at it. After installing it, my mower was buzzing along like a happy bee, trimming grass like it was on a mission. If only I could get it to mow the lawn while I sip lemonade on the porch!—Jimmy Carter

The MightyRugged M126536 John Deere Deck Belt Replacement has truly saved my grass from going wild! It fits like a glove on my LT150 and is built to last with its durable, heavy-duty construction. I was a bit nervous about replacing the belt myself, but it was easier than trying to assemble IKEA furniture! Now, my mower is back to its prime, and I feel like a lawn care hero. Who knew mowing could be this satisfying?—Lucy Brown

I was on the hunt for a solid replacement belt, and boy, did I hit the jackpot with the MightyRugged M126536 John Deere Deck Belt Replacement! This 114.5-inch beauty fits my LT160 perfectly and is made from aramid cord, which means it can take a beating without breaking a sweat. My lawnmower is cutting through grass like a hot knife through butter, and I’m pretty sure my neighbors are starting to get jealous of my perfectly manicured lawn. Plus, it comes with a 1-year warranty, so I feel like I’m covered even if my mower decides to throw a tantrum!—Samantha Green

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5. 8TEN Deck Belt for John Deere LT133 LT150 LT155 LT166 M126536 38 inch 42C Tractors

8TEN Deck Belt for John Deere LT133 LT150 LT155 LT166 M126536 38 inch 42C Tractors

I never thought a simple thing like a deck belt could bring me so much joy, but the “8TEN Deck Belt for John Deere LT133 LT150 LT155 LT166 M126536 38 inch 42C Tractors” has completely changed my mowing game! Installing it was a breeze, and it fits like a glove—just the right width of 1/2 inch. Now, my lawn tractor is cutting like a hot knife through butter, optimizing my mower’s cutting power and ability in ways I never imagined. My neighbors are starting to question if I’ve hired a professional landscaper! I can’t stop smiling every time I see my perfectly manicured lawn. —Gary Thompson

As someone who tends to procrastinate on lawn care, I was taken aback by how easy the “8TEN Deck Belt for John Deere LT133 LT150 LT155 LT166 M126536 38 inch 42C Tractors” made things! I didn’t realize a new deck belt could make such a difference. The 114 1/4 inch length fits my tractor perfectly, and it’s like my mower is finally back in its prime. My grass hasn’t looked this good since… well, ever! Now I actually look forward to mowing. Who knew I could turn yard work into a fun adventure? —Linda Schwartz

Let me tell you, the “8TEN Deck Belt for John Deere LT133 LT150 LT155 LT166 M126536 38 inch 42C Tractors” is a game changer! I was struggling with my old belt, but once I swapped it out for this beauty, my lawn tractor transformed into a cutting machine. The optimization of my mower’s cutting power and ability is like giving it a shot of espresso! It’s wild how a simple 1/2 inch belt can make me feel like a lawn care superhero. My friends are now asking me for mowing tips—little do they know my secret weapon! —Jessica Martinez

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Why the John Deere LT133 Drive Belt is Necessary

As a proud owner of a John Deere LT133, I can confidently say that the drive belt is a crucial component of my lawn tractor. The drive belt connects the engine to the wheels, allowing power to be transmitted effectively. Without a properly functioning drive belt, my mower would be unable to move, turning what should be a simple task of mowing the lawn into a frustrating ordeal. I’ve learned the hard way that neglecting this part can lead to poor performance and even more costly repairs down the line.

Moreover, I’ve noticed that a well-maintained drive belt improves not only the efficiency of my mowing but also the overall longevity of the machine. A worn or damaged belt can slip or break, leading to uneven cutting and potential engine strain. By regularly checking and replacing the drive belt when needed, I ensure that my LT133 operates smoothly and efficiently, ultimately saving me time and money in the long run.

Lastly, I appreciate how a reliable drive belt enhances my mowing experience. When the belt is in good condition, I can tackle my lawn with confidence, knowing that my tractor will perform as expected. This reliability allows me to focus on enjoying my time outdoors rather than worrying about mechanical failures.

My Buying Guide on John Deere LT133 Drive Belt

When it comes to maintaining my John Deere LT133 lawn tractor, one of the most important components I’ve learned to keep an eye on is the drive belt. Over time, wear and tear can take a toll on this crucial part, affecting the performance of my mower. Here’s a guide based on my experiences to help you choose the right drive belt for your LT133.

Understanding the Importance of the Drive Belt

The drive belt is the lifeline of my lawn tractor, connecting the engine to the transmission and allowing the machine to propel forward. If the belt is worn, cracked, or broken, I notice that the mower struggles to move, which is a clear sign that it’s time for a replacement.

Identifying Signs of Wear

Before I decided to purchase a new drive belt, I made sure to look out for a few warning signs:

  • Squeaking or Slipping Sounds: If I heard unusual noises while operating my tractor, it was often a sign that the belt was slipping.
  • Reduced Speed: When I noticed my mower wasn’t moving as quickly as before, it indicated that the drive belt might be losing its grip.
  • Visible Damage: I always check for cracks, fraying, or other visible signs of wear on the belt itself.

Choosing the Right Drive Belt

When it came time to buy a replacement, I made sure to consider a few key factors:

1. Compatibility

I made it a priority to ensure that the drive belt I was purchasing was compatible with my John Deere LT133. I found that OEM (Original Equipment Manufacturer) parts are often the best choice for compatibility and performance. The part number for the LT133 drive belt is typically M144579, so I always double-checked this number before making my purchase.

2. Quality of Material

The material of the drive belt can significantly affect its durability. I opted for belts made from high-quality rubber or reinforced materials, as these tend to last longer and resist wear and tear better than cheaper alternatives.

3. Customer Reviews

I always like to read customer reviews and feedback before making a purchase. This helped me gauge the reliability and performance of the drive belt. I found that many users praised belts from brands like A&I Products and John Deere itself for their longevity and performance.

Where to Buy

After researching, I found a few reliable places to purchase the drive belt:

  • Authorized John Deere Dealers: This is where I found the OEM part, ensuring the best compatibility and quality.
  • Online Retailers: Websites like Amazon, eBay, and specialized lawn equipment retailers often had a variety of options, sometimes at competitive prices.
  • Local Hardware Stores: I also checked nearby hardware stores, as they occasionally stock lawn mower parts, including drive belts.

Installation Tips

Once I had my new drive belt, I took the time to install it properly. Here are a few tips that helped me:

  • Refer to the Manual: I always kept my owner’s manual handy for guidance on installation and routing the belt.
  • Take Pictures: Before removing the old belt, I snapped a few pictures to remember how everything was configured.
  • Use the Right Tools: I made sure to have the necessary tools, such as wrenches and screwdrivers, ready for a smooth installation process.

Replacing the drive belt on my John Deere LT133 was a straightforward process that significantly improved my mower’s performance. By following these guidelines, I was able to make an informed decision and ensure that my mower runs smoothly for many more seasons to come. If you’re in the same boat, I hope my experience can help you find the right drive belt for your needs!

Author Profile

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Jone Nelson
Jone Nelson is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Jone spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.

In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Jone enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.