Comparison: Best Yard Machine 21 Lawn Mower Blade (Updated | Oct 14th)
When choosing the best yard machine 21 lawn mower blade, factors like durability, cutting efficiency, and compatibility with your mower model are key. This comparison explores top options, evaluating materials (high-carbon steel vs. stainless steel), blade designs (mulching vs. side-discharge), and user feedback to help you make an informed decision. Whether you prioritize longevity, sharpness retention, or ease of installation, we highlight pros and cons to guide you toward a blade that balances performance and value for your specific lawn care needs. Always consult your owner’s manual for proper fit and safety.
Editor’s Choice
Best for a specific purpose
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Best for best overall:
MTD Genuine Parts (490-100-M067 Mulching Blades-for 21-Inch Lawn Mowers (1995 and After) Fits Various Troy-Bilt -
Best for wide compatibility:
Hipa 942-0741A Mulching Blade for Troy Bilt 21 inch Lawn Mower -
Best for premium compatibility:
Bularie 742-0616A 21 inch Mower Blade Compatible with Cub Cad et MTD 42 inch Mower Deck -
Best for oval center:
Bularie 2105200317A Mower Blade 21" -
Best for budget pick:
Lawn Mower High Lift Mulching Blade for 20 inch Cutting Decks for MTD Columbia Yard Machines Cub Cadet Walk Behind 942-0640 742-0640 -
Best for commercial grade:
MaxPower 331387XB Commercial Mulching Blade for 21 in. Cut Toro -
Best for multi-functional blade:
Arnold 490-100-0083 21-Inch/ 22-Inch Walk-Behind Lawn Mower Replacement Blade -
Best for 3-in-1 versatility:
Arnold Universal 21-Inch 3-in-1 Mulching Lawn Mower Blade -
Best for tall grass:
wyevee 331737B Mulching Lawn Mower Blade -
Best for xtreme durability:
Arnold Xtreme Lawn Mower Blade – For 21-Inch Walk-Behind Mowers – Universal Fit
Product Comparison: Best Yard Machine 21 Lawn Mower Blade
Best overall
MTD Genuine Parts (490-100-M067 Mulching Blades-for 21-Inch Lawn Mowers (1995 and After) Fits Various Troy-Bilt, MTD, Yard Machines, and Other Top Models, Natural
MTD Genuine Parts
- 21 INCH MULCHING BLADES: Engineered to perfectly fit 21-inch lawn mowers manufactured from 1995 on, ensuring precise cutting performance by effectively mulching grass clippings into fine particles
- COMPATIBILITY: Crafted with durability in mind, they are compatible with a wide range of top mower models including Troy-Bilt, MTD, Yard Machines, Huskee and Bolens, and more
- 3-IN-1 BLADE: This versatile blade excels in mulching, bagging, and side discharge functionalities, providing complete flexibility for managing grass clippings according to your lawn care needs
- STAR CENTER HOLE: Designed with a star-shaped center hole ensuring a secure and stable fit on compatible mower shafts, facilitating easier installation and removal when maintaining or replacing blades
- REPLACEMENTS: These lawn mower blades can be used as a direct replacement for: 942-0741, 942-0741A, 742-0741, and 742-0741A; an ideal substitute without compromising fit or function
Wide compatibility
Hipa 942-0741A Mulching Blade for Troy Bilt 21 inch Lawn Mower, TB110 TB240 TB230 TB130 Lawn Tractor,Craftsman Yard Machine MTD Murray 21 inch Deck Riding Mower (After 1995)
Hipa
- 942-0741A Mulching Blade OEM: CC-742-0741, 742-0741, 742-0741A, 942-0741, 942-0741A
- 942-0741A Mulching Blade Compatible with Troy Bilt 21 inch Deck Lawn Mower,Model # 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 XP, TB 380 ES, TB 400 XP, TB 430 XP, TB 450 XP, TB 490 XP
- 942-0741A Mulching Blade Compatible with Riding Mower,Lawn Tractor,Walk-Behind, Push and Self-Propelled Mowers with a 21-inch Cutting Deck, (1995 – );for many brand Troy-Bilt, Cub Cadet, MTD, Craftsman, MTD Gold, Bolens, White Outdoor, Murray, Snapper, Yard Machines, Yard-Man and Huskee
- Mower Blades Specification:blade length 21"(533mm),air lift 1-1/8"(28mm),width 2-1/4"(57mm),thickness 9/64"(3.4mm),compatible deck size 21"
- Blades Center Hole Shape:Bow Tie,Mower Blade Type:Mulching Blade
- 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%.
- NOTICE:The cutting edges are painted to prevent rust and protect your hands during installation. The paint will wear off as you mow the grass.
- Package include 1 blade
Premium compatibility
Bularie 742-0616A 21 inch Mower Blade Compatible with Cub Cad et MTD 42 inch Mower Deck, 742-0616 Mulching Blades Fit for Cub Cad et Troy-Bilt LT1040 LT1042 RZT42, Replace 742-04308 942-0616, 2 Pack
Bularie
- 【Replace OEM Part Numbers】This lawn mower blade is compatible with Cub Cad et/MTD/Troy-Bilt 742-04126, 742-0616, 742-0616A, 942-04126, 942-0616, 942-0616A, 742-04308, 942-0656, 942-04308, 742-04312; compatible with Windsor 50-3950; compatible with Cub Cad et 490-110-C122; compatible with Toro 112-0315, etc.
- 【Compatible Models】The 742-0616 mower mulching blade is compatible with 42" lawn mowers/tractors,fit for Cub Cad et LT1040, LT1042, XT1-LT42, XT2-LX42, RZT-42; fit for Craftsman PYT9000, T110, T1100, T7800; fit for Huskee LT4200, etc. Please ensure this cutting blade match your mower before ordering.
- 【Easy to Install】Replacing the blades is simple: use a socket wrench to remove the mounting bolt, take off the old blades, install the new ones, and tighten the bolts. Ensure the air lift curved side is facing the mower deck.
- 【HIGH QUALITY】The Mulching Blade is made of heavy duty metal, ensuring its durability and long-lasting use.
- 【Package Includes】2Pcs Mower blade with length 21-3/16", width 2-3/4", diameter of outside hole 5/16", center to center outside hole 2-1/2", thickness 5/32"
Oval center
Bularie 2105200317A Mower Blade 21", with Oval Center Hole, Compatible with Murray Daye HyperTough Mower, Fit for MNA152701 MNA152901 MNA152903, Replace 2105200317 84005221, 2 Pack
Bularie
- 【Replacement Part Number】 The mower blades replace 2105200317A, 2105200317, 84005221. Please check the part number before your order.
- 【Compatibility】 The cutting blades are compatible with Mu rray MNA152901, MNA152903, MNA152703, MNA152702, Black Max MNA152905 with 21" mower deck, compatible with H yper Tou gh MNA152701 with 20" mower deck. Please check the compatible models before your order.
- 【Premium Quality】 Made of high-quality material, the 2105200317A blade is perfect for cutting grass in the yard. You don't have to worry about interference from sand and stones. The sharp blade allows you to cut the grass cleanly and more efficiently.
- 【Easy To Install】 Replace the blade is simple. Tighten the blade by using a blade lock tool to fix it to the side of the mower deck. Next, take out the bolt and the washer before you install the blade, and replace a new one. Please place the curved side facing the mower deck when installing. Finally, take out the lock device and finish.
- 【Product Dimension】 The package includes 2 x 2105200317A mower blades. Length: 21", Width: 2 1/4", Thickness: 0.1495", Oval Center Hole: 31/32", Outside Hole: 5/7", Center to Center: 2 1/8". Please carefully check and compare the blade size with your original items before ordering.
Budget pick
Lawn Mower High Lift Mulching Blade for 20 inch Cutting Decks for MTD Columbia Yard Machines Cub Cadet Walk Behind 942-0640 742-0640
Cancanle
- Package including:1 blade
- Length: 20 inches, Width: 2 1/8 inches
- Thickness: 0.118 inches
- Center Hole: 1 x 3/4 inches
- For Deck Size: 20 inches
Commercial grade
MaxPower 331387XB Commercial Mulching Blade for 21 in. Cut Toro, Exmark, Lawn Boy Mowers Replaces OEM #'s 108-0954-03, 116-4500, 133-8182-03
MAXPOWER
- Replaces OEM #: 108-0954-03, 116-4500, 1164500S, 1350413S
- Fits 21" cut Toro, Exmark and lawn Boy mowers
- Size: 20-27/32" x 2-1/4" with a 7/16" center hole
- Package contains 1 blade and Made in the USA
- To ensure a proper fit, please check your owner's manual to verify the proper replacement blade number and be sure that it matches one of the OEM numbers listed in our description. We make our best effort to ensure all replacement OEM numbers are detailed in our product description.
Multi-functional blade
Arnold 490-100-0083 21-Inch/ 22-Inch Walk-Behind Lawn Mower Replacement Blade
Arnold
- COMPATIBILITY: For MOST (but not all) Troy-Bilt, Bolens, AYP, Craftsman, Honda, Huskee, Husqvarna, Lawn-Boy, Murray, Poulan, Snapper, Toro, Yard Machines, Yard-Man 21 in., 22 in. and 23 in. walk-behind mowers.
- INCLUDED: Contents include one blade with sizers to fit 3/8 in., 7/16 in. and 5/8 in. universal center hole patterns and dethatching line.
- EFFECTIVE CUT: Sharp-edged blades cut grass cleanly and make their way through grass more efficiently, reducing overall mowing time and effort.
- MULTIFUNCTIONAL: Blade dethatches, rakes, mulches, scalps, bags and cuts lawns with simple adjustments to the nylon lines.
- IMPORTANT: For detailed installation instructions, please refer to your instruction manual.
3-in-1 versatility
Arnold Universal 21-Inch 3-in-1 Mulching Lawn Mower Blade
Arnold
- Universal/Fits most walk-behind mowers
- Bags, mulches and side discharges
- Includes sizing washers and cover washers
- Contains one blade
Tall grass
wyevee 331737B Mulching Lawn Mower Blade, Compatible with AYP/Craftsman/Hus qvarna/Pou LAN 21" Cut Mowers, Replaces 165833, 175052, 406712, 176135, 532175064, 1 Pack
wyevee
- 【Replace Part Number】The mower blades are compatible with AYP 165833, 165833B, 175064, 159267, 176135, 189028, 406706, 406712, 531300765, 532175064; Compatible with Hu sqvarna 501807402, 531307235, 532145064, 532165833; Compatible with Pou lan 406712X431, 531307213, 531307235, 532406712, etc. Please refer to the description for more compatible models. Verify the original part number and ensure that this part fits your model before purchasing.
- 【Compatible With】The lawn mowers blades are compatible with AYP/Craftsman/Hus qvarna/Pou lan 21" Cut Decks:①Compatible with AYP PH65Y21RHP, PO500N21R, PO500N21RH, PO500N21RHX, PO500N21RH3, PR160N21CHC;②Compatible with Craftsman 917375940, 917375950, 917378494; ③Compatible with Hu sqvarna 5521CM, 5521RSX, 65021CHV, 65021ES, 67521ES, etc. For more models, please check the description.
- 【Simple Installation】Install the mulching blades with round center holes by placing the curved side towards the deck, ensuring optimal flow of the cuttings.
- 【Premium Quality Materials】Crafted from durable carbon steel and enhanced with an additional coating, our mulching mower blades are specifically designed for tackling tall grass and dense vegetation in your yard. The razor-sharp blade ensures a seamless and uniform cutting experience. Upgrade your old, stuck blades with our mower blades today and enjoy a completely revitalized lawn mowing experience!
- 【Blade Dimensions】1×331737B Replacement blade. Length 21-1/4" , Width 2-1/5" , Thickness 0.157", Center Hole: 5/8", Outer Hole 3/8". The mower blade comes with round center holes, please verify the spindle of your mower before your order.
Xtreme durability
Arnold Xtreme Lawn Mower Blade – For 21-Inch Walk-Behind Mowers – Universal Fit, (490-100-0096)
Arnold
- Fits most brands of walk-behind mowers
- Fits 7 million more mowers than other universal blades
- Includes special adapters to fit most Husqvarna and Toro walk-behind mowers
- These blades are built with an Xtreme durability, blade edge, and effectiveness for the ultimate mulching and bagging performance
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
Which blade is compatible with MTD 21-inch lawn mowers?
MTD Genuine Parts (490-100-M067) is designed for 21-inch MTD lawn mowers (1995).
What blade fits Troy Bilt 21-inch models?
Hipa 942-0741A is compatible with Troy Bilt 21-inch models TB110 and TB240.
Which blade suits Cub Cadet and MTD 42-inch decks?
Bularie 742-0616A is compatible with Cub Cadet and MTD 42-inch decks.
Are there blades with an oval center hole?
Bularie 2105200317A features an oval center hole for specific 21-inch mowers.
Which blade works for 20-inch MTD cutting decks?
Lawn Mower High Lift Mulching Blade is designed for 20-inch MTD Columbia decks.
What blade is recommended for Toro and Exmark 21-inch decks?
MaxPower 331387XB is a commercial mulching blade for 21-inch Toro and Exmark decks.
Which blade is a universal fit for 21-inch walk-behind mowers?
Arnold Universal 21-Inch 3-in-1 Mulching Blade fits multiple 21-inch walk-behind models.
Is there a heavy-duty option for 21-inch mowers?
Arnold Xtreme Lawn Mower Blade is designed for durability on 21-inch walk-behind mowers.
