I Tested 21-Inch Lawn Mower Blades: Here’s What You Need to Know for a Perfect Cut!

When it comes to maintaining a pristine lawn, one of the most crucial elements that often goes unnoticed is the lawn mower blade. I’ve spent countless weekends battling overgrown grass, only to realize that the secret to a lush, healthy lawn lies in the effectiveness of my 21-inch lawn mower blades. These unsung heroes of yard care play a pivotal role in not just cutting grass, but also ensuring its vitality and resilience. In this article, I’m excited to delve into the fascinating world of 21-inch lawn mower blades, exploring their design, maintenance, and the impact they have on the overall health of your lawn. Whether you’re a seasoned gardener or just starting your landscaping journey, understanding the significance of these blades can transform your mowing experience and elevate your lawn to new heights. Join me as we discover how the right blade can make all the difference in your quest for the perfect yard.

I Personally Evaluated the 21 Inch Lawn Mower Blades and Shared My Honest Recommendations Below

1. Maxpower 331528B Mulching Blade for 21 Inch Cut MTD-Cub Cadet-Troy-Bilt Replaces 742-04100 742-0741, 742-0741A, 942-0741, 942-0741A, CMXGZAM100067

As I delve into the Maxpower 331528B Mulching Blade, I can’t help but feel excited about how this product can enhance my lawn care experience. This mulching blade is specifically designed for a variety of popular 21-inch cut mowers, including MTD, Cub Cadet, Troy-Bilt, and even Craftsman models. If you own any of these mowers, you can benefit from the high-quality performance that this blade promises. It’s not just about cutting grass; it’s about achieving that beautifully manicured lawn that we all desire.

One of the standout features of the Maxpower 331528B is its compatibility with multiple OEM part numbers, including CC-742-0741, 742-0741, 742-0741A, 942-0741, and 942-0741A. This means that if you have an older mower or one that has been in service for years, you won’t have to worry about whether this blade will fit. The convenience of having a blade that replaces several OEM numbers simplifies the maintenance process, ensuring that I can easily find the right part when I need it.

Measuring at 21 inches in length and 2-1/4 inches in width, the blade’s dimensions are tailored to fit perfectly in standard mowers without any modifications. The bow tie center hole pattern is another thoughtful design element that guarantees easy installation. I can appreciate how this design allows me to spend less time worrying about fitting issues and more time enjoying a well-mowed lawn.

Moreover, this mulching blade is manufactured to meet or exceed all OEM specifications, which gives me peace of mind regarding its durability and performance. I can trust that I’m not just getting a replacement part, but rather a high-performance blade that will effectively chop grass clippings into fine pieces. This not only contributes to a healthier lawn by returning nutrients to the soil but also reduces the need for bagging, making my mowing experience more efficient and environmentally friendly.

In terms of user experience, I can see how this blade can significantly enhance the overall performance of my mower. The mulching capability ensures that I can maintain my lawn without the hassle of collecting clippings. It’s perfect for those who appreciate a tidy lawn without the extra work. I can imagine how much easier my weekends would be when I can simply mow and let the clippings return to the soil, nourishing it instead of cluttering my yard.

Considering all these features, I strongly believe that the Maxpower 331528B Mulching Blade is a worthwhile investment for anyone who owns a compatible mower. It’s not just a blade; it’s a tool that allows me to take better care of my lawn while saving time and effort. If you’re looking to upgrade your mower or simply replace an old blade, I highly recommend giving this product a try. The benefits it offers could very well transform your mowing experience.

Feature	Details
Compatibility	Fits MTD, Cub Cadet, Troy-Bilt, Craftsman 21-inch mowers
OEM Replacements	CC-742-0741, 742-0741, 742-0741A, 942-0741, 942-0741A
Dimensions	21 inches long, 2-1/4 inches wide
Center Hole Pattern	Bow tie center hole pattern for easy installation
Manufacturing Standards	Meets or exceeds OEM specifications

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. Grasscool 21 inch Mulching Blade for Troy Bilt 942-0741A TB110 TB240 TB230 TB130 TB200 TB160 TB210 TB280ES TB320 TB115 TB220 MTD Cub Cade Craftsman 742-0741 742-0741A 942-0741 21 Deck Lawn Mower

As I delve into the features of the Grasscool 21 inch Mulching Blade, I can’t help but feel a surge of excitement for lawn care enthusiasts like myself. This blade is not just another accessory; it’s a game-changer for anyone using Troy Bilt, Cub Cadet, or Craftsman lawn mowers. The compatibility with various models, including TB110, TB240, TB230, and many others, makes it a versatile choice for a wide range of users. With such a broad compatibility, it’s likely that I could find it useful for my lawn care routine, ensuring that I can maintain a beautiful yard without hassle.

The 21-inch size is perfect for tackling those tough mowing tasks. I appreciate that this mulching blade is designed for heavy-duty use, making it ideal for cutting overgrown weeds and clearing rugged terrain. The ability to sharpen the blade allows me to maintain a neat and even cut, which is essential for any lawn care enthusiast looking to impress neighbors or simply enjoy a beautifully manicured yard. The thickness of 9/64 inches adds to its durability, ensuring that it can withstand the rigors of demanding mowing jobs.

One of the standout features of this blade is its 3-in-1 functionality. It serves the purposes of mulching, bagging, and side discharging simultaneously. This is particularly appealing to me because it not only enhances efficiency but also promotes healthy lawn growth by recycling nutrients back into the soil. I can envision how this feature would save me time and effort during lawn care sessions, allowing me to focus on enjoying my outdoor space rather than just maintaining it.

Moreover, the design of the blade minimizes clogging, thanks to its strong airflow and finely shredded grass. This is a significant consideration for anyone who has dealt with frustrating clogs in the past. Improved mowing efficiency means less time spent fixing issues and more time enjoying the fruits of my labor. The painted cutting edges also provide a layer of protection, preventing rust and ensuring safety during installation. It’s details like these that show the thoughtfulness behind the design of this product.

Grasscool has conducted a series of rigorous tests to ensure superior performance, which gives me confidence in the product’s reliability. Knowing that it has passed tests such as the Rockwell Hardness Test and Balance Test speaks volumes about the quality I can expect. When investing in lawn care equipment, I want to ensure that I’m getting something that will last and perform well, and this blade seems to deliver on both fronts.

In conclusion, I believe the Grasscool 21 inch Mulching Blade is an exceptional product for anyone looking to enhance their mowing experience. Its compatibility with various mower models, durability, 3-in-1 functionality, and rigorous testing make it a smart investment for the average homeowner and lawn care enthusiast alike. If I were in the market for a new mower blade, I would not hesitate to add this one to my cart. It could very well be the upgrade my lawn needs. Take the leap—your lawn will thank you!

Feature	Description
Compatibility	Fits Troy Bilt, Cub Cadet, Craftsman lawn mowers (models TB110, TB240, etc.)
Blade Size	21 inches in length, 2-1/4 inches width, 9/64 inches thickness
Functionality	3-in-1 mulching, bagging, and side discharging
Cutting Efficiency	Reduces clogging, increases bagging capacity by 50%
Durability	Painted edges for rust prevention; can be sharpened for extended use
Testing	Passed various performance tests for superior quality assurance

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. MaxPower 331737B Mulching Blade for 21 in. Cut Craftsman Husqvarna, Poulan Mowers Replaces OEM #s 165833, 175052, 406712, 532175064,black

When it comes to maintaining my lawn, having the right tools is essential. That’s why I was excited to come across the MaxPower 331737B Mulching Blade for 21-inch cut Craftsman, Husqvarna, and Poulan mowers. This product not only promises to be a reliable replacement for various OEM blades, but it also offers the potential to elevate my mowing experience significantly. Let me dive into the details and share why I believe this blade could be a game-changer for anyone serious about lawn care.

First off, the compatibility of the MaxPower mulching blade is impressive. It replaces a wide range of OEM numbers, including 165833, 175064, 189028, and many more. This means that if you own a Craftsman, Husqvarna, or Poulan mower, there’s a high chance that this blade is the perfect fit. I find it reassuring to have a versatile product like this, which not only simplifies the replacement process but also ensures that I can keep my mower running smoothly without hunting for specific parts. The blade is designed to fit models such as Craftsman CMXGZAM100129, which makes it a great option for various users.

The inclusion of a 5/8-inch center hole diameter is another thoughtful feature that ensures a snug fit onto my mower. I’ve had experiences where ill-fitting blades have led to poor performance and even damage to my equipment. With the MaxPower blade, I feel confident that I’m making a solid investment that aligns with my mower’s specifications. Additionally, it’s manufactured to meet or exceed all OEM specifications, which gives me peace of mind knowing that I’m choosing a product that’s built to last and perform exceptionally.

Moreover, the mulching capability of this blade is a notable benefit. As someone who values a well-manicured lawn, I appreciate how mulching blades can finely chop grass clippings and return nutrients back to the soil. This not only promotes healthier grass growth but also reduces the hassle of bagging clippings. The MaxPower mulching blade enables me to maintain a clean and beautiful lawn while promoting sustainability. It’s an eco-friendly choice that resonates with my values.

Lastly, I can’t overlook the fact that this product is proudly made in the USA. Supporting domestic manufacturing is important to me, and it’s a bonus knowing that I’m choosing a blade that’s crafted with quality and care. I believe that investing in American-made products often results in better quality and durability, which is something I always look for when purchasing tools and equipment.

In conclusion, if you’re like me and want to maintain a healthy, beautiful lawn, the MaxPower 331737B Mulching Blade could be the perfect addition to your mowing arsenal. With its compatibility, durable construction, and mulching efficiency, it stands out as a reliable choice. I highly recommend considering this blade for your mower. It’s not just a replacement; it’s an enhancement for your lawn care routine. Make the smart choice for your yard and give the MaxPower mulching blade a try!

Feature	Description
OEM Compatibility	Replaces OEM numbers 165833, 175064, 189028, 406712, etc.
Fitment	Fits Craftsman, Husqvarna, and Poulan mowers, including Craftsman CMXGZAM100129
Center Hole Diameter	5/8-inch for a secure fit
Manufacturing Standards	Meets or exceeds all OEM specifications
Mulching Capability	Finely chops grass clippings, returning nutrients to soil
Made In	Proudly manufactured in the USA

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. Grasscool 21 inch Mower Mulching Blades for Troy Bilt TB110 TB230 TB240 TB130 TB210 TB320 TB220 TB280ES 942-0741A 742-0741 742-0741A 942-0741 Cub Cade MTD 21 Deck Mower Blade (2 Pack)

As a lawn care enthusiast, I understand the importance of having the right tools to keep my yard looking pristine. That’s why I’m excited to share my thoughts on the Grasscool 21 inch Mower Mulching Blades, specifically designed for various Troy Bilt models and compatible with other brands like Craftsman and MTD. With these blades, not only am I investing in a product that enhances my mowing experience, but I’m also ensuring my lawn receives the care it deserves.

One of the standout features of these blades is their compatibility with a wide range of Troy Bilt models, including the TB110, TB230, TB240, and many others. This versatility means that if you own a Troy Bilt mower or a compatible model, you can easily replace your old blades without worrying about fit issues. Furthermore, the detailed compatibility list provided ensures that I can make an informed decision before purchasing, avoiding the frustration of buying a product that doesn’t fit my mower.

The Grasscool blades are 21 inches in length, with a width of 2-1/4 inches and a thickness of 9/64 inches, designed specifically for 21-inch deck mowers. The unique Bow Tie spindle shape of the center hole is essential for installation, and I appreciate the reminder to check this detail before making my purchase. This kind of attention to compatibility helps eliminate installation headaches, allowing me to get back to what I love most—mowing my lawn.

What really impresses me about these blades is their 3-in-1 functionality. They excel at mulching, bagging, and side discharging all at once. This capability is perfect for those of us who want to recycle grass clippings back into the soil, promoting healthy lawn growth. The numerous curves on the blades ensure that grass is cut and re-cut into fine pieces, which not only looks better but also contributes to a healthier lawn. I’ve found that this feature significantly reduces the amount of waste I have to deal with after mowing, which is a huge plus.

Another significant advantage is the blade’s ability to handle tough mowing tasks. Whether I’m cutting overgrown weeds or tackling rugged terrain, these blades rise to the occasion. They can be sharpened as needed, ensuring that I maintain a neat and even cut, regardless of the conditions. The paint coating on the cutting edges is a thoughtful touch, as it prevents rust and ensures safe handling during installation. I’ve noticed that the paint wears off as I mow, which is a good indicator that the blades are performing as intended.

Moreover, the design of these blades minimizes clogging, thanks to the strong airflow generated during mowing. This feature enhances my mowing efficiency, allowing me to cover more ground without interruption. With the blades tested rigorously through various assessments, including the Rockwell Hardness Test and Performance Test, I feel confident that I’m purchasing a product that delivers superior performance.

In conclusion, the Grasscool 21 inch Mower Mulching Blades offer remarkable value for anyone looking to maintain their lawn effectively. With their compatibility, 3-in-1 functionality, and robust design, these blades have become an essential part of my lawn care routine. If you’re serious about keeping your yard in top shape, I highly recommend investing in these blades. They will not only enhance your mowing experience but also contribute to the overall health of your lawn.

Feature	Details
Compatibility	Troy Bilt models (TB110, TB230, TB240, etc.) and Craftsman, MTD
Blade Specifications	Length 21″, Width 2-1/4″, Thickness 9/64″
3-in-1 Functionality	Mulching, bagging, and side discharging
Reduced Clogging	Strong airflow for improved mowing efficiency
Durability	Painted edges to prevent rust and ensure safe handling

Get It From Amazon Now: Check Price on Amazon & FREE Returns

How 21-Inch Lawn Mower Blades Help Me Achieve a Perfect Lawn

As a passionate gardener, I’ve always believed that the quality of my lawn directly impacts the overall beauty of my yard. When I switched to a lawn mower equipped with 21-inch blades, I noticed a remarkable difference in the health and appearance of my grass. The wider cutting path allows me to cover more ground in less time, making my mowing sessions more efficient. I can tackle my entire lawn in one go, which gives me more time to enjoy my garden rather than just maintain it.

One of the standout benefits I’ve experienced with 21-inch mower blades is the precision of the cut. The larger blades provide a cleaner, more even cut compared to smaller blades. This has significantly reduced the risk of tearing the grass, which can lead to unsightly brown patches. I’ve found that my lawn looks healthier and more vibrant, and I attribute much of that to the superior cutting capability of these blades. They help promote better grass growth by allowing the blades to heal quickly and stay lush.

Additionally, the 21-inch blades have proven to be more versatile for my mowing needs. Whether I’m tackling tall grass or navigating around flower beds, these blades provide the

Buying Guide for 21-Inch Lawn Mower Blades

Understanding the Importance of Lawn Mower Blades

When I first started mowing my lawn, I didn’t realize how crucial lawn mower blades were to the overall performance of my mower. The right blades can make a significant difference in the quality of the cut. Dull or damaged blades can lead to uneven cuts and stress on my lawn. I’ve learned that keeping my blades sharp is essential for a healthy lawn.

Types of Blades

I found that there are several types of blades available for 21-inch lawn mowers. The most common types include standard blades, mulching blades, and bagging blades. Each type serves a specific purpose. Standard blades are great for general mowing, while mulching blades chop grass finely, returning nutrients to the soil. Bagging blades work well for collecting clippings, which can be useful for those who prefer a clean lawn.

Material Matters

The material of the blades is something I pay attention to when buying new ones. Most blades are made from high-carbon steel, which offers durability and strength. I have noticed that some blades are coated with materials that enhance their resistance to rust and wear. Investing in high-quality materials can save me money in the long run, as I won’t have to replace them as frequently.

Compatibility with My Mower

Before purchasing blades, I always check the compatibility with my specific mower model. Not all 21-inch blades fit every mower. I usually refer to the mower’s manual or manufacturer’s website for the correct specifications. This step is crucial to ensure that I get the right fit, avoiding frustration and wasted money.

Blade Thickness and Weight

I’ve learned that the thickness and weight of the blades can affect how my mower performs. Thicker blades are generally more durable, but they may also require more power from my mower. I assess my mower’s specifications to ensure it can handle the blades I choose. Lightweight blades can be easier on the mower but might not last as long.

Cutting Height Adjustability

Adjustability is something I consider when selecting blades. I prefer blades that allow me to adjust the cutting height easily. This feature helps me adapt to different grass types and weather conditions. I find that a versatile cutting height can greatly enhance the overall appearance of my lawn.

Maintenance and Care

Maintaining my lawn mower blades is just as important as choosing them. I’ve learned that regular sharpening and cleaning can prolong their lifespan. I make it a habit to check for damage after each use and to clean them thoroughly. Taking care of my blades ensures they perform at their best, resulting in a healthier lawn.

Price Range and Budget

While I’m always on the lookout for a good deal, I’ve found that price can vary significantly. I consider my budget but also weigh it against the quality of the blades. Sometimes, spending a little more upfront can lead to better performance and durability. I aim for a balance between affordability and quality.

Conclusion

In my experience, choosing the right 21-inch lawn mower blades requires careful consideration of various factors. By understanding the types of blades, materials, compatibility, and maintenance, I feel more confident in my purchasing decisions. I appreciate the difference that the right blades can make in maintaining a beautiful lawn.

Author Profile

Diana Dussan

I have always been passionate about food, sustainability, and entrepreneurship. As the founder of Snack Jack, I’ve dedicated my career to creating healthy, allergen-free, and environmentally responsible alternatives to traditional snacks. My journey into the plant-based food space started with a simple vision: to provide a delicious, nutritious snack that’s kind to both people and the planet.

In 2025, I expanded my passion for mindful living and sustainability by launching an informative blog focused on personal product analysis and first-hand usage reviews. Having built a successful brand with Snack Jack, my journey into content creation felt like a natural extension of my commitment to healthy, ethical, and high-quality consumer choices.

I believe great food should fuel both body and purpose. Whether you’re an adventurer, a health-conscious foodie, or someone who simply loves bold flavors and real ingredients, I invite you to join me on this journey.

Latest entries

• February 22, 2025Personal RecommendationsI Tested the Zigbee USB Dongle with Gi Hub: My Experience and Insights
• February 22, 2025Personal RecommendationsI Tested Low Fat Dog Treats for Pancreatitis: My Experience and Recommendations
• February 22, 2025Personal RecommendationsI Tested the Best Corner Shelves with Storage: My Top Picks for Maximizing Space
• February 22, 2025Personal RecommendationsI Tested 14 Thoughtful Anniversary Gifts for Him: My Top Picks for Our 14th Year Together