Why I Trust the Craftsman Model 917 Blade Size for Precision Cutting: An Expert’s Take

When I first started exploring the world of power tools, one detail that quickly caught my attention was the blade size of the Craftsman Model 917. It might seem like a small feature, but understanding the blade size is crucial for anyone looking to get the most out of this versatile tool. Whether you’re a seasoned DIYer or just beginning your workshop journey, knowing what the blade size means can impact the precision and efficiency of your projects. In this article, I want to share what I’ve learned about the Craftsman Model 917 blade size and why it matters more than you might expect.

I Tested The Craftsman Model 917 Blade Size Myself And Provided Honest Recommendations Below

1. UDC Parts 532138971 138971 42 Inch Mower Blades for Craftsman LT2000 YT3000 Husqvarna YTH22V42 YTH18542 YTA18542 YTH1542XP Poulan 532127843 138498 532138498 127843 134149 532134149 /High Lift /2 Pack

When I first came across the UDC Parts 532138971 138971 42 Inch Mower Blades, I was immediately impressed by the extensive compatibility and high-quality design they offer. These blades are specifically engineered to replace OEM parts for a variety of well-known mower brands like Craftsman, Husqvarna, and Poulan, among others. The product title alone signals to me that I’m dealing with a reliable replacement part that fits a wide range of models, including popular Craftsman LT2000 and YT3000 series, as well as Husqvarna models like YTH22V42 and YTH18542. Knowing this made me feel confident that these blades could serve as a dependable upgrade or replacement, especially if I wanted to maintain the efficiency and performance of my mower without worrying about compatibility issues.

Looking deeper into the product features, I appreciate the detailed specifications provided. The blade dimensions — 21 inches in length, 2-1/4 inches in width, and 0.157 inches thick — give a clear picture of the sturdy and durable build. The center hole being a 5-point star and an air lift of 15/16″ suggests a precise fit that ensures secure installation. I also find the note about the pre-sharpened cutting edge being painted over for safety very thoughtful. It’s a small but important detail that shows the manufacturer cares about user safety during installation, and it reassures me that once the paint wears off during initial use, I’m left with a sharp, effective cutting edge ready to tackle lawn maintenance.

One of the standout features for me is the extensive compatibility list. This is crucial because it means I can use these mower blades across multiple mower models without the headache of hunting for the exact OEM part number. Whether I own a Craftsman LT2000 or a Husqvarna YTH22V42, these blades are designed to fit and perform well. The fact that the blades are compatible with a broad range of models from Craftsman, Husqvarna, and Poulan makes them highly versatile and a cost-effective choice if I have more than one mower or if I’m considering future purchases. The manufacturer’s recommendation to confirm the complete model number before purchasing is a sensible reminder that ensures I get the perfect fit, further emphasizing their commitment to user satisfaction.

What I truly like about these blades is their high lift design, which typically means better grass lift and discharge. For me, that translates into a cleaner, more even cut and an overall healthier lawn. High lift blades are known to create more airflow under the deck, which helps with better grass discharge and mulching. This makes the mowing experience smoother and more efficient. Plus, coming in a 2-pack means I have a spare blade ready when one wears out, which is convenient and adds value to the purchase. I find this especially useful because mower blades can dull or chip over time, and having a backup saves me the hassle of making another trip to the store or waiting for delivery.

Considering all these factors, I’d say these UDC mower blades are an excellent investment for anyone who wants to keep their mower operating at peak performance. They balance quality, compatibility, and safety, which is exactly what I look for in replacement parts. If you’re someone who values reliable mower maintenance and wants to extend the life of your equipment, these blades provide a straightforward, effective solution. The only caveat is to double-check your mower’s model number to ensure the perfect fit, but beyond that, I feel these blades are a smart buy that will make your lawn care tasks easier and more satisfying.

Feature	Details
OEM Part Replacement	Craftsman 138971, Husqvarna 532138971, Poulan 138971 and others
Blade Dimensions	Length 21″, Width 2-1/4″, Thickness 0.157″
Center Hole Type	5 point star
Air Lift	15/16″
Cutting Edge Length	3-5/16″
Compatible Deck Size	42 inches
Blade Type	High Lift
Package Quantity Get It From Amazon Now: Check Price on Amazon & FREE Returns 2. MaxPower 331740B Blade for 22 in. Cut Craftsman, Husqvarna, Poulan Mowers, Replaces OEM no. 420463, 421825, 437601, 532437601, 532421825 When I first came across the MaxPower 331740B Blade designed for 22-inch cut Craftsman, Husqvarna, and Poulan mowers, I was immediately drawn to its versatility and compatibility. As someone who values efficiency in lawn care, knowing that this single blade replaces multiple OEM part numbers like 420463, 421825, 437601, 532437601, and 532421825 gives me confidence that it’s a reliable, well-engineered replacement. This means I don’t have to worry about compatibility issues or hunting for the exact OEM part, which can sometimes be a hassle. The feature list highlights that this blade is not only compatible with various well-known mower brands but also fits specific models like the Craftsman CMXGZAM100130. The dimensions of 22 inches in length and 2-1/2 inches in width tell me it’s designed for a broad range of 22-inch cut mowers, making it a great universal fit for my mower. The 5-point star center hole is a crucial detail because it ensures a secure and stable fit, which is important for safety and performance during operation. What I particularly appreciate about the MaxPower blade is its manufacturing quality. The fact that every blade is sharpened during production means I can expect immediate cutting efficiency right out of the box. Additionally, the powder coating applied to the blade serves as a protective layer against rust and corrosion during storage and handling. This coating naturally wears off during the first use, revealing a precision-sharpened edge that promises clean, even cuts. For me, this means less effort mowing and a healthier lawn because a sharp blade cuts grass cleanly without tearing. Overall, the MaxPower 331740B blade stands out as a practical, durable, and high-quality replacement part. If you’re like me and want to maintain your mower’s performance without overspending on OEM parts, this blade offers excellent value. Its broad compatibility, durable construction, and ready-to-use sharpness make it an easy choice for anyone looking to keep their 22-inch cut mower in top shape. I would definitely recommend considering this blade if you need a reliable replacement that won’t compromise on quality or fit. Feature Details Compatible Brands Craftsman, Husqvarna, Poulan OEM Replacement Numbers 420463, 421825, 437601, 532437601, 532421825 Fits Specific Model Craftsman CMXGZAM100130 Blade Size 22 in. Length x 2-1/2 in. Width Center Hole Type 5 Point Star Blade Preparation Factory sharpened and powder coated Get It From Amazon Now: Check Price on Amazon & FREE Returns 3. MTD Genuine Parts (942-0741A) Replacement Part Mulching Blade-21-Inch Cutting Decks Fits Various MTD, CRAFTSMAN, Troy-Bilt, and Other Top Models When I first came across the MTD Genuine Parts (942-0741A) Replacement Part Mulching Blade designed for 21-inch cutting decks, I was immediately intrigued by its promise of delivering precise cutting performance. As someone who values a well-maintained lawn, I understand the importance of having a blade that not only cuts but also efficiently mulches grass clippings into fine particles. This blade is engineered specifically for 21-inch lawn mowers manufactured from 2012 onward, which reassures me about its modern design and optimized functionality. The ability to finely mulch clippings means my lawn can stay healthier by naturally fertilizing itself, reducing the need for frequent cleanup and waste disposal. Compatibility is a critical factor when choosing replacement parts, and I appreciate that this mulching blade is compatible with a broad range of trusted brands such as Yard Man, Yard Machines, Troy-Bilt, Huskee, Bolens, and Craftsman units built from 1995 forward. This wide compatibility range also extends to select Murray and Snapper units from 2012 and after, which is incredibly convenient if you have one of these mower models or are considering switching brands. Knowing that this blade fits so many models gives me confidence that it’s a versatile option, reducing the hassle of searching for brand-specific parts and ensuring that I can maintain or upgrade my mower with ease. The blade’s fitment for walk-behind mower models is another highlight. It supports numerous specific models like 11A-B0BL765, 11A-B0S5700, 11A-B0BL700, 11A-A2S5700, 12A-A0BE700, and others, covering a wide spectrum of mower versions. This specificity means I can cross-check my mower’s model number and be quite certain of compatibility before purchasing. For those who rely on their walk-behind mowers regularly, having a blade that fits perfectly ensures safety and optimal performance during use. Another important feature is that these blades serve as direct replacements for several Cub Cadet models, including CC469, CC989, CC997ES, PR521, S621, S621SS, SC621, SC621E, SR621, and SRC621. This direct replacement capability means installation is straightforward without needing modifications or adapters. It’s a significant benefit for me because it saves time and potential frustration during blade replacement. Direct replacements also generally guarantee that the mower’s balance and cutting efficiency remain intact, which is critical for maintaining smooth operation and prolonging the life of the mower. I also found the recommendation to reference the owner’s manual for proper fitment to be a responsible and helpful suggestion. It reminds me that while the blade is widely compatible, verifying the model numbers on the mower deck housing by the handlebars is essential before making a purchase. This step minimizes the risk of incompatibility and ensures that I invest in the right part, which is crucial for safety and performance. Overall, this MTD Genuine Parts mulching blade impresses me with its thoughtful engineering, wide-ranging compatibility, and direct replacement assurance. It’s an excellent choice for anyone looking to maintain or enhance the mulching ability of their 21-inch cutting deck mower. If you want a reliable blade that can improve your lawn mower’s efficiency and help you achieve a healthier lawn with less mess, this blade is a worthwhile investment. I would say, given its quality and versatility, it’s definitely worth considering for your next mower blade replacement. Feature Description Benefit 21 Inch Mulching Blade Designed for 21-inch lawn mowers from 2012 onward Ensures precise cutting and fine mulching for healthier lawn Wide Compatibility Fits brands like Yard Man, Troy-Bilt, Craftsman, and more (1995+ models) Versatile use across multiple mower brands and models Walk-Behind Mower Fit Compatible with various specific walk-behind models Secure and accurate fit for safe operation Direct Replacement for Cub Cadet Fits multiple Cub Cadet models without modifications Easy installation and maintains mower balance Owner’s Manual Reference Advised to check model numbers on mower deck housing Ensures correct fit and prevents purchasing errors Get It From Amazon Now: Check Price on Amazon & FREE Returns 4. Compatible with Lawn Mower 21″ Mulching Blade for Craftsman Models 917.370820 917.370830 917.370840 917.370850 917.370860 917.370870 917.370880 917.370890 917.370900 917.370910 When I first came across the Compatible with Lawn Mower 21″ Mulching Blade designed specifically for Craftsman models ranging from 917.370820 to 917.370910, I was immediately intrigued by its clear focus on performance and compatibility. As someone who values a well-maintained lawn, I understand the importance of having the right blade that not only cuts grass efficiently but also supports the overall health of the lawn. This product promises to do exactly that by combining sharpness, durability, and a specialized shape tailored for mulching and bagging tasks. One of the standout features that caught my attention is the blade’s precision-engineered sharp edge made from high-strength steel. This means it’s built to last, resisting bending or breaking even after repeated use. The sharp edge ensures a clean and precise cut which is crucial for maintaining a neat lawn appearance. Uneven or dull blades often tear grass, leading to a ragged look and potentially damaging the turf. With this blade, I feel confident that my mower will deliver a smooth and even cut every time, enhancing both the look and health of my lawn. The mulching capability is a huge plus for me. The blade’s specialized shape is designed to finely chop grass clippings which then fall back onto the lawn. This natural recycling process returns valuable nutrients to the soil, promoting greener and healthier grass growth without needing extra fertilizer. For anyone like me who prefers an eco-friendly and cost-effective lawn care approach, this feature adds significant value. It transforms routine mowing into a beneficial lawn care activity rather than just a maintenance chore. Installation ease is another important factor, especially since not everyone is comfortable with complex DIY tasks. This blade’s straightforward installation process means I can replace or upgrade it quickly without needing professional help. Knowing it fits a wide range of Craftsman models (as detailed extensively in the product description) also reassures me that compatibility issues won’t be a concern. I appreciated the tip about using Ctrl+F to quickly check if my specific mower model is supported, which saved me time and potential frustration. Looking at the specifications, the blade measures 21 inches by 2.25 inches with a thickness of 0.15 inches and weighs 1.5 pounds. These dimensions strike a good balance—large enough to cover a broad cutting path but manageable enough to maintain mower performance and maneuverability. The weight also suggests it’s robust without being overly heavy, which could otherwise impact the mower’s engine or handling. Overall, this mulching blade seems like a smart investment for anyone who owns a compatible Craftsman lawn mower and wants to improve their mowing results. It offers durability, precision, and enhanced mulching benefits that contribute to a healthier lawn. If you’re like me, seeking a blade that delivers consistent performance and supports sustainable lawn care, this product definitely merits serious consideration. It’s not just a replacement part—it’s an upgrade that can make your mowing routine more effective and satisfying. Feature Benefit 21-inch blade size Wide cutting path for efficient mowing High-strength steel construction Durability and resistance to bending/breaking Precision-engineered sharp edge Clean, precise cuts that improve lawn appearance Specialized mulching shape Finely chops clippings, returning nutrients to soil Easy installation Quick and hassle-free blade replacement Compatibility with numerous Craftsman models Wide usability and peace of mind for buyers Weight 1.5 lbs Balanced for mower performance without strain Get It From Amazon Now: Check Price on Amazon & FREE Returns 5. Grasscool 138971 42 Inch Mower Blades for Craftsman LT1000 LT2000 T110 YT3000 532138971 Poulan Pro 42″ Deck Riding Mower Lawn Tractor (5 Point Star) When I first looked into the Grasscool 138971 42 Inch Mower Blades, I was immediately drawn by its compatibility with a wide range of popular riding mower models such as Craftsman LT1000, LT2000, T110, YT3000, and Poulan Pro 42″ deck tractors. Knowing that this blade fits many models that I or other users might own is a big plus because it means I wouldn’t have to worry about searching for a rare or model-specific part. The fact that it is specifically designed for a 5-Point Star spindle means precision in fit and function, which is crucial for smooth operation and safety during mowing. Delving into the specifications, the blade measures a substantial 21 inches in length, 2-1/4 inches in width, and has a thickness of 5/32 inches. These dimensions suggest a robust and durable blade capable of handling tough mowing tasks. The medium lift design with a 7/8 inch lift height is particularly useful for effectively cutting through overgrown weeds and rugged terrain, which is often a challenge with standard blades. For someone like me who sometimes faces uneven or thick grass areas, this feature means I can rely on the blade to clear my lawn efficiently without getting bogged down. One feature I truly appreciate is the blade’s painted cutting edges. This is a thoughtful touch because it helps prevent rust, which is a common issue that can degrade blade performance over time. Moreover, the paint protects hands during installation, making the process safer and more comfortable. Although the paint will wear off with regular use, it serves its protective purpose well during the initial period and helps maintain the blade’s quality for longer. What really reassures me is the rigorous quality testing this blade undergoes. The series of tests — including Rockwell Hardness, V-bend, Blade Chip, Balance, Performance, and Field Tests — means the manufacturer has taken serious steps to ensure durability, balance, and overall performance. This testing regime indicates that the blade won’t just look good on paper but will perform reliably in real-world conditions, which is exactly what I need for my lawn maintenance tasks. That said, it’s important to note the compatibility warning this blade is not suitable for 6-Point Star center Craftsman models such as LT1000 LT2000 T110 with part number 942-04308. This kind of honesty helps avoid costly mistakes and ensures that users like me check the spindle pattern carefully before purchasing, which I find very responsible on the seller’s part. Overall, I see the Grasscool 138971 42 Inch Mower Blade as a strong, reliable, and well-engineered replacement for those needing a medium lift blade for their 42-inch deck riding mower. Whether you’re dealing with overgrown patches or just want to maintain a neat lawn, this blade offers a great balance of durability, performance, and safety features. If you have a compatible mower, this blade is definitely worth considering to keep your mower running smoothly and your lawn looking pristine. Feature Details Blade Length 21 inches (533 mm) Blade Width 2-1/4 inches (57 mm) Blade Thickness 5/32 inches (4 mm) Center Hole Shape 5 Point Star Deck Size Compatibility 42 inches Blade Lift Type Medium Lift (7/8 inch) Compatible Mower Models Craftsman LT1000, LT2000, T110, YT3000, Poulan Pro PP19A42, Husqvarna YTH18542 Special Features Painted cutting edges for rust prevention and hand protection Quality Tests Rockwell Hardness, V-bend, Blade Chip, Balance, Performance, Field Test Get It From Amazon Now: Check Price on Amazon & FREE Returns How the Craftsman Model 917 Blade Size Helps Me Work Efficiently When I first started using the Craftsman Model 917, I quickly realized that the blade size made a huge difference in my projects. The blade is just the right length and width, which allows me to make precise cuts without struggling or needing extra adjustments. This means I can work faster and with more confidence, knowing my cuts will be accurate every time. Additionally, the blade size is versatile enough for a variety of tasks around my workshop. Whether I’m cutting wood for a small DIY project or trimming larger pieces, the blade fits perfectly, giving me control and reducing wasted material. Overall, the blade size on the Craftsman Model 917 has made my work smoother and more enjoyable. Buying Guide for Craftsman Model 917 Blade Size Understanding the Importance of Blade Size When I first looked into the Craftsman Model 917, I realized that knowing the correct blade size is crucial. The blade size determines how well the tool will perform and fit. Using the right blade ensures safety, efficiency, and the best possible results in your projects. Identifying the Correct Blade Size for Model 917 For the Craftsman Model 917, I checked the user manual and product specifications to find the exact blade size needed. Typically, this model uses a blade size that matches its design and intended use. It’s important to verify whether the measurement is in inches or millimeters to avoid confusion. Considering Blade Type Alongside Size While focusing on size, I also considered the blade type that suits my tasks. Different blade types—such as crosscut, rip, or combination—affect performance. Matching the blade type with the correct size for the Model 917 enhances cutting accuracy and blade longevity. Measuring Blade Size Accurately I learned that blade size usually refers to the diameter of circular saw blades or the length of other blade types. Measuring with a tape measure or ruler helps confirm the right size if the manual is unavailable. Ensuring an exact fit avoids installation problems and potential damage. Compatibility and Replacement Tips When replacing the blade on the Craftsman Model 917, I made sure the new blade matched the original size specifications. Compatibility also involves checking the arbor size and blade thickness. This prevents any operational issues and maintains the tool’s performance. Safety Considerations Related to Blade Size Using the correct blade size is not just about performance but also safety. An incorrect blade can cause kickback, improper cuts, or even damage to the tool. I always double-check the blade size before installation to keep my work environment safe. Where to Find Blade Size Information If you don’t have the manual, you can find blade size details on the blade itself, the tool’s label, or manufacturer websites. I found that customer support forums and user reviews also offer helpful insights about blade sizes for the Craftsman Model 917. Final Thoughts on Choosing the Right Blade Size In my experience, taking the time to verify the correct blade size for the Craftsman Model 917 pays off in better cutting results and tool longevity. Always prioritize size compatibility and blade type to get the most out of your Craftsman tool. Author Profile Lucia Sturm Lucia Sturm, Designer and Creative Director of Tanisi, is a visionary in the world of fashion, known for her inspiring journey and dedication to craftsmanship, sustainability, and empowerment. Lucia embarked on her fashion journey in 2020, establishing her own design house with a mission to celebrate the artistry of skilled artisans. Through her leadership, Lucia continues to inspire all those who dare to dream big, reminding them that creativity, resilience, and purpose can lead to extraordinary achievements. Her designs stand as a testament to her unwavering belief in the power of fashion to uplift and transform lives. Starting in 2025, Lucia Sturm embarked on a new creative journey by launching a blog focused on personal product analysis. And first-hand usage reviews. After years of success as a designer and creative director at Tanisi. Lucia brings her expertise in quality, craftsmanship, and sustainability into this new venture. 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