Does your lawn look ragged even after you mow? You might blame your mower, but often the real culprit hides underneath: the blade. A dull or wrong blade tears grass instead of cutting it cleanly. This leaves your lawn looking brown and unhealthy. Choosing the correct blade seems tricky. Should you pick a standard, mulching, or high-lift option? Each one does something different, and picking the wrong type can ruin your yard work.
Understanding lawn mower blades matters greatly for a beautiful lawn. We know you want that perfect, carpet-like green. This guide cuts through the confusion. You will learn exactly what each blade does and which one fits your machine and your grass type best. Stop guessing and start cutting smarter!
Top Lawn Mower Blade Recommendations
- 21 Inch Troy Bilt Mower Blade Replace number Troy Bilt MTD 942-0741A 942-0741 742-0741 742-0741A 742-04100 490-100-C089 742-04276 742-04276S 942-04276 942-04276S CC-742-0741 OEM-742-0741
- 942-0741A Mulching Blade Compatible with Troy-Bilt TB110 TB240 TB230 TB130 TB200 TB160 TB210 TB280ES TB320 TB115 TB220 TB360 TB105 TB120 TB125 TB130XP TB140 TB160XP TB270ES TB270XP TB290ES TB330 TB360ES TB370 21" Deck Walk Behind Push Mower
- BLADE SPECIFICATION: Length: 20 7/8″(531.5mm), Width: 2-1/4"(57mm), Thickness: 9/64"(3.4mm), Center Hole Shape: Bow Tie, For Deck Size: 21", Lift: 1-1/8"(28mm), Mower Blade Type: Mulching Blade.
- FIT TOUGH MOWING TASKS: The blade is very suitable for cutting overgrown weeds or clearing rugged terrain. You can sharpen the blade if you want to maintain a neat, even cut for normal lawns. The cutting edges are painted to prevent rust and protect your hands during installation. The paint will wear off as you mow the grass.
- 3-IN-1 BLADE: Serves 3 purposes (mulching, bagging, and side discharging) at the same time. Featuring numerous curves that cuts and re-cuts grass to smaller pieces, and recycles them back into the soil as nutrients to promote healthy lawn growth. Additionally, its high-lift increases the bagging capacity by 50%.
- Includes 1 mulching blade for many 21 in. cut MTD, Cub Cadet, Troy-Bilt, and Craftsman mowers. Must Match Current Blade OEM Number to insure exact fit.
- Replaces OEM #'s: 742-0741, 742-0741A ,742-04276, 742-04276S, 942-0641, 942-0741, 942-0741A 942-04276, 942-04276S, CC-742-0741; Craftsman CMXGZAM100067
- Fits Cub Cadet Models: CC Series- CC 46M, CC 46MZ, CC 46ES, CC 439, CC 469, CC 949, CC 94M, CC 98M, CC 98H, CC 98K, CC 99M, CC 989, CC 997ES, CC 999ES; SC Series- SC 100, SC 100 H, SC 100 HW, SC 300, SC 300 E, SC 300e, SC 300 HW, SC 500 EZ, SC 500 EQ, SC 500 HW, SC 500 Z, SC 700E, and SC 700 H; S/SR/SRC/SRE Series: S 621, S 621 SS, SR 621, SRC 621, SRE 621, SC 621, SC 621 E; and other models- MTD 214 IP, 214 KW, and PR 521.
- Fits Troy-Bilt Models: TB 105, TB 110, TB 115, TB 120, TB 125, TB 130, TB 130 XP, TB 140, TB 160, TB 160 XP, TB 200, TB 210, TB 220, TB 230, TB 240, TB 270 ES, TB 270 XP, TB 280 ES, TB 290 ES, TB 320, TB 330, TB 360, TB 360 ES, TB 370, TB 370 XP, TB 380 ES, TB 380 XP, TB 400 XP, TB 430 XP, TB 450 XP, TB449E, TB 490 XP; Tru-Cut- 100, 110; Tuff Cut- 200, 210, 220, 230; Pro-Cut- 300, 310, 320.
- CENTER HOLE: Bow Tie Center Hole Pattern. Diameter of Outside Hole is 5/16". Center to Center of outside Hole is 2.5"
- Stop the guesswork! Cub Cadet XT1-42 XT2-42 ZT1-42 model uses two different blade types.Before ordering our blades,identify your current blade's center hole.Our blade's center hole is 6 Star Shaped.If your blade's center hole is S-shaped,use MPN 742-05177 742P05177 to order your correct blades elsewhere.
- Stop the guesswork! CRAFTSMAN T110 LT1000 LT2000 model uses two different blade types.Before ordering our blades,identify your current blade's center hole.Our blade's center hole is 6 Point Star Center Hole.If your blade's center hole is 5 Point Star Center Hole,Use MPN 138971 532138971 to order your correct blades elsewhere
- 942-04308 Mower Blades Replace Number Cub Cade MTD Troy-Bilt 742-04308 742-04308A 942-04308A 942-04308 742-0656 942-0656 490-110-M108, 742-04312, 942-04312,490-110-M108, OCC-742-04312, OEM-742-04308
- 942-04308 Mower Blades Compatible with Troy-Bilt 42 inch Deck Mower,model# Super Bronco 42 Hydro, TB42, Pony 42X, Pony 42T, Pony 42, Bronco 42 Auto, TB1942, Pony, Bronco, TB42 Hydro, TB2142, Colt XP, Mustang XP 42, Range Rider, RZT 42,Mustang Z42, Mustang 42 Lawn Mower
- 942-04308 Mower Blades Compatible with Cub Cadet 42 inch Deck Mower,model# XT1 LT42 C, LT42 EFI, LT42 KH and XT2 LX42 EFI, LX42 KH and LX42 KW;RZT42, RZT-L42 KH, RZT-L 42, RZTS 42 and RZT-SX 42 KH, ZT-1 42KH
- Stop the guesswork! CRAFTSMAN T110 LT1000 LT2000 model uses two different blade types.Before ordering our blades,identify your current blade's center hole.Our blade's center hole is 5 Point Star Center Hole.If your blade's center hole is 6 Point Star Center Hole,Use MPN 942-0616A 942-04308 to order your correct blades elsewhere
- Mower Blades with 5 Star Hole Replace for Craftsman Poulan Pro Husqvarna 138971 138498 532127843 532138971 532138498 CMXGZAM110136
- Mower Blades with 5 Star Hole Compatible with Craftsman 42 inch deck riding mower lawn tractor,model: LT1000 LT2000 T110 DLT3000 T210 T2200 YT3000 YTS3000 T3000 T130 YS4500
- Mower Blades Compatible with Poulan Pro 42 inch deck riding mower lawn tractor,model:PP19A42
- Mower Blades Compatible with Husqvarna 42" inch deck riding mower lawn tractor,model:YTH18542
- Adaption Model: Wusuker replacement blade is specially designed for Manscaped The Lawn Mower 4.0 3.0 2.0 models for your convenience.
- Premium Professional Clipper Blade: The replacement blade is made of high-quality materials and exquisite craftsmanship,precision-engineered for maximum confidence while trimming below-the-waist.
- Easy To Install & Clean: Our replacement blades for Manscaped The Lawn Mower are easy to replace and clean, Just remove the old dull blade, then side up the new one and snap it into place.
- Why Replace The Blade: You can keep your razor-sharp and don't have to worry about the sluggish blade anymore. Regular blade replacement is more hygienic and brings you the ultimate experience. We recommend replacing your blade every 2-3 months to keep it sharp and efficient.
- Customer Support：If you have any problem to replace the blades, please contact customer service and we will reply within 24 hours.
- Replaces OEM Part: MTD, Troy Bilt 942-0741A, 742-0741, 742-0741A, 742-04100, 942-0741, 942-04276S, 942-04276, 742-04276S, 742-04276, 01002810, 490-100-C089, 490-100-M084, 942-0641, CC-742-0741, OEM-742-0741, DXGX100084, Craftsman CMXGZAM100067
- Dimensions: Length 21", Width 2-1/4", Thickness 0.126", Center Hole Bow-Tie, Side Hole 5/16", Center to Center Outside Hole 2-1/2", Air Lift 1-7/64", Cutting Edge Length 6-7/64", Compatible Deck Size 21". The length of the blade is measured diagonally from one end to the other
- Long-Term Durability: Made from premium, high-strength steel that keeps the cutting edge sharp and stable, ensuring long-lasting performance and extended blade life even under heavy use.
- 942-0741A Troy Bilt 21 Inch Mower Blades Compatible with TB100, TB105, TB105B, TB110, TB115, TB120, TB120B, TB125, TB125B, TB130, TB130XP, TB140, TB160, TB160XP, TB200, TB210, TB210B, TB220, TB220BXP, TB230, TB230XP, TB230BXP, TB240, TB240KXP, TB270ES, TB270XP, TB280ES, TB290ES, TB320, TB320XP, TB330, TB330XP, TB360, TB360XP, TB360ES, TB370, TB370XP. Please confirm the complete model number to ensure a proper fit. For a more detailed list of compatible models, check the description below
- 942-0741A Troy Bilt 21 Inch Mower Blades Compatible with TB380, TB380ES, TB380XP, TB400XP, TB430XP, TB450XP, TB490XP, TB449E, Tru-Cut 100, Tru-Cut 110, Tuff-Cut 200, Tuff-Cut 210, Tuff-Cut 220, Tuff-Cut 230, Pro-Cut 300, Pro-Cut 310, Pro-Cut 320, 12ALC35S766, 12ALC35S711, 12ALC35S066, 12AKD3AQ766, 12AKC35U711, 12AI869G211, 12AI869F066, 12AI869F011, 12AI832Q766, 12AI832Q711, 11A-54K3066, 11A-549C766, 11A-546N711, 11A-426A066, 12A-446A066, 11A-426A011, 11A-426A711, 11A-426C211, 11A-426C266
- Blade Width - 2.50"
- Blade Thickness - 0.203"
- Blade Length - 21"
- Center Hole Size - 5/8"
- Air Lift - 1"
- [Compatible Greenworks 80V Mowers] : 2550702, 2550402, 2501202, 2500402, 1356602, 1356702, 1356402, 1356502, 2533902, 2541302, 2533402, 2533602, 2502202, 2506902, 2515902, 2534102, 2502402NV, 2533302, 2541202
- [Compatible Greenworks 60V Mowers] : 2531702, 2531602, 2545102, 2531702T, 2531602T, 2535102T, 2504902T, 2509802
- [Compatible Greenworks 40V Mowers] : 2515502, 1306402AZ, 2527302AZ, 2525202, 2516402, 1348402-HB, 2525102AZ, 2506502AZ, 2508502, 2506602, 2513502
- [Compatible Greenworks 2 x 24V Mowers] : 2533202, 2532702, 2532502, 2532902
- [Important] - Compare the mounting pattern on your mower to ensure it matches the pattern in the imagery
Choosing the Right Lawn Mower Blade: Your Complete Buying Guide
A sharp lawn mower blade makes your grass look neat and healthy. A dull blade tears the grass. This makes your lawn look ragged. Choosing the right blade is important for a great cut. This guide will help you pick the perfect blade for your mower.
Key Features to Look For
Several features make a lawn mower blade effective. Always check these things before you buy.
Blade Type
Mowers use different blades for different jobs.
- Standard/High-Lift Blades: These are the most common. They lift the grass up high before cutting it. This creates good airflow for bagging clippings.
- Mulching Blades: These blades have curves or extra cutting edges. They cut the grass multiple times into tiny pieces. These pieces fall back onto the lawn as natural fertilizer.
- Bagging Blades: Similar to high-lift blades, these move air strongly to push clippings into the bag.
- 2-in-1 or 3-in-1 Blades: These versatile blades can cut, mulch, or bag, depending on your mower setup.
Blade Length and Mounting Hole
These must match your mower exactly. Measure the old blade from tip to tip. Look at the shape of the hole in the center where it attaches to the mower spindle. Incorrect size means the blade will not fit or will shake violently, which can damage your mower.
Important Materials: What Makes a Blade Strong?
The material determines how long the blade lasts and how sharp it stays.
- Standard Steel: Most replacement blades use hardened steel. This is affordable and works well for average lawns.
- High Carbon Steel: This material holds a sharp edge much longer than basic steel. It costs a bit more but saves you time sharpening later.
- Coated Blades: Some blades have special coatings (like titanium or ceramic). These coatings resist rust and wear. They keep the blade cutting smoothly for a longer time.
Factors That Improve or Reduce Quality
Quality is not just about the metal. How the blade is made matters a lot.
Good Quality Indicators
Look for blades that are thick and balanced. A balanced blade spins smoothly. Unbalanced blades cause strong vibrations. These vibrations wear out your mower’s engine and bearings quickly. High-quality blades have precise cutting angles and strong welds if they are mulching types.
Warning Signs (Reduced Quality)
Cheap blades are often too thin. They bend easily if you hit a rock or a thick root. Thin metal also dulls very fast. Avoid blades with rough edges or uneven sharpening. These will tear your grass instead of slicing it cleanly.
User Experience and Use Cases
Think about how you use your lawn mower.
- If you have a large, open lawn: A standard high-lift blade works great for fast cutting and moving clippings to the edge.
- If you want a manicured look without bagging: Choose a quality mulching blade. It returns nutrients to the soil.
- If you often hit sticks or hard ground: Invest in a thicker, high-carbon steel blade. It resists damage better than thin, cheap options.
- Seasonal use: If you only mow a few times a year, a standard blade might be fine. If you mow weekly all summer, upgrade to a coated or high-carbon blade for durability.
10 Frequently Asked Questions (FAQ) About Lawn Mower Blades
Q: How often should I change my lawn mower blade?
A: You should sharpen your blade at least once per season. If you notice tearing or if you hit obstacles often, change it immediately.
Q: Can I use a mulching blade if I want to bag my grass?
A: Yes, many modern 3-in-1 blades allow you to switch between mulching and bagging. Check your mower manual.
Q: What is the biggest danger of using a dull blade?
A: A dull blade rips the grass tips, making them brown and weak. This leaves your lawn open to disease and pests.
Q: How do I know if my new blade is balanced?
A: A professional shop balances blades. For a quick home check, hang the blade by its center hole on a nail. If one side tips down heavily, it needs balancing or is a poor quality blade.
Q: Does blade material really matter that much?
A: Yes, material matters greatly. High-carbon steel stays sharp longer, meaning less maintenance for you.
Q: Are universal blades a good idea?
A: Universal blades fit many mowers, but they are usually a compromise. For the best performance and safety, always try to use the blade made specifically for your mower model.
Q: What is “lift” in relation to a blade?
A: Lift is the curve on the back edge of the blade. High lift pushes more air, which helps lift tall grass and pushes clippings into a bag.
Q: How do I safely remove the old blade?
A: Always disconnect the spark plug wire first! Tip the mower so the spark plug faces up. Use a sturdy wrench to turn the blade bolt counter-clockwise. Wear thick gloves.
Q: Should I buy an OEM (Original Equipment Manufacturer) blade or an aftermarket blade?
A: OEM blades are guaranteed to fit and perform perfectly. Aftermarket blades can save money, but check reviews carefully for quality and balance.
Q: Can I sharpen my own blades?
A: Yes, you can sharpen them with a metal file or a grinder. Remember to sharpen both sides equally so the blade stays balanced.