Comparison: Best Cub Cadet 21 Mulching Blade (Updated | Oct 14th)

ByAlexis

When maintaining a Cub Cadet lawnmower, choosing the right mulching blade is essential for achieving a healthy, evenly cut lawn. The **Cub Cadet 21-inch mulching blade** is a popular choice designed to enhance mulching performance, recycling grass clippings into nutrient-rich organic matter. This comparison explores key features, durability, and compatibility to help you select the best option for your mowing needs. Whether prioritizing sharpness, balance, or longevity, weโ€™ll highlight factors to consider for optimal results.

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Editorโ€™s Choice

Maxpower 331528B Mulching Blade for 21 Inch Cut MTD/Cub Cadet/Troy-Bilt Replaces 742-04100


Maxpower 331528B Mulching Blade for 21 Inch Cut MTD/Cub Cadet/Troy-Bilt Replaces 742-04100

Best overall

Best for a specific purpose

Product Comparison: Best Cub Cadet 21 Mulching Blade

Best overall

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

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

Maxpower
  • Includes 1 mulching blade for many 21 in. cut MTD, Cub Cadet, Troy-Bilt, and Craftsman mowers
  • Replaces OEM #'s 742-0741, 742-0741A, 942-0741, 942-0741A
  • Also fits Craftsman CMXGZAM100067
  • Measures: 21 in. L and 2-1/4 in. W
  • Bow tie center hole pattern

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OEM quality

CUB CADET 942-0741A 21" Mulching Blade SC100 SC300 SC700 SC500 SC621 Walk-Behind Lawn Mowers

CUB CADET 942-0741A 21" Mulching Blade SC100 SC300 SC700 SC500 SC621 Walk-Behind Lawn Mowers

CUB CADET
  • CUB CADET OEM Part Number: 942-0741A, Replaces: 01002810, 742-04276, 742-04276S, 742-0741, 742-0741A, 942-04276, 942-04276S, 942-0741
  • Fits CUB CADET: SC100H, SC100HW, SC300, SC300HW, SC300E, SC300IP, SC500Z, SC500HW, SC500EQ, SC700E, SC700H, S621, S621SS, SC621, SC621E, SR621, SRC621, SRE621
  • Fits CUB CADET: CC469, CC989, CC997ES, PR521, CC439, CC949, CC94M, CC98M, PR521, CC46M, CC46MZ, CC94M, CC999ES, CC46ES, CC99M, CC98, CC98H, CC98K, 5521, 214IP, 214KW

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Premium performance

Oregon Lawnmower Mulching Blade for 21 in. Deck, Fits Cub-Cadet, Troy-Bilt, and Craftsman Push Mower, Set of 1 (B-21-1)

Oregon Lawnmower Mulching Blade for 21 in. Deck, Fits Cub-Cadet, Troy-Bilt, and Craftsman Push Mower, Set of 1 (B-21-1)

Oregon
  • Replaces Cub Cadet, Troy-Bilt, Craftsman, and Bolens Original Equipment Blade Part Numbers: 942-0741, 942-0741a, 742-04276, 742-04380, 742-0741
  • Includes 1, 21" blade for a 21" deck. 2.25" in width, with a Bow-Tie center hole. Outer holes are 5/16" and Center to Center is 2-1/2"
  • Mulching Blade- Re-circulates grass underneath the mower deck to be re-cut into fine clippings. Small clippings fall back into the soil providing a natural fertilizer and limits the amount of time needed to rake, bag, and clean-up after the job is done.
  • Sharp-cut: Oregon blades are pre-sharpened at the optimum angle to provide a clean-cut from the first mow, the edge reduces the chance of tearing grass, which can lead to the browning of grass tips due to infection
  • Made in the USA, from US produced Steel: Oregon's special blend of steel improves blade hardness during manufacturing- Leading to a stronger, more durable blade

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Xtreme mulching

CUB CADET 490-110-C202 Xtreme Mulching Blade Set 42" Decks Fast Attach S-Center Enduro XT1-LT42 XT2-LT42 Tractors

CUB CADET 490-110-C202 Xtreme Mulching Blade Set 42" Decks Fast Attach S-Center Enduro XT1-LT42 XT2-LT42 Tractors

CUB CADET
  • CUB CADET OEM Part Number: 490-110-C202, Replaces: CMXGZAM110202, 490-110-Y202, 742-05177A-X, 742P05177A-X
  • Fits CUB CADET: Enduro XT1-LT42 KH 13AKA9TSA10; Enduro XT2-LX42 KW FAB 13AGA1TEA10, Lawn Tractors
  • Blade Specs: Length: 21.23"; Center Hole Pattern: S; Blade Category: Xtreme; Blade Type: 2-in-1; Deck Cutting Width: 42"
  • For Xtreme mulching and bagging performance. The unique blades help chop grass clippings finer than with standard blades.

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Broad compatibility

Grasscool 21 inch Mulching Blade for Troy Bilt Cub Cadet 742p0741-x 742-0741 942-0741A 942-0741-X SC500E SC500Z SC700E CC989 Walk-Behind Push Self-Propelled Mowers

Grasscool 21 inch Mulching Blade for Troy Bilt Cub Cadet 742p0741-x 742-0741 942-0741A 942-0741-X SC500E SC500Z SC700E CC989 Walk-Behind Push Self-Propelled Mowers

Grasscool
  • 21 inch Mower Blades Replace number Cub Cadet/MTD/Troy Bilt 742p0741-x 742-0741-X 742-0741A-X 942-0741-X 942-0741A-X 742-0741 942-0741 942-0741A 742-04380 742-04380-0684 942-04380 942-04380-0684
  • Mower Blades fit for 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
  • 21 inch Mower Blades Compatible with Cub Cadet CC469, CC989, CC997ES, PR521, S621, S621SS, SC621, SC621E, SR621, SRC621, SRE621, CC439, CC949, CC94M, CC98M, PR521, CC46M, CC46MZ, CC94M, CC999ES, SC 100 H, SC 100, SC 100 HW, SC 700 H, SC 700, SC 300, SC 300 HW, SC 300, SC 500 Z, SC 500 HW, SC 500 Z, SC 300 E, SC 300e, SC 500 EZ, SC 500 EQ, CC46ES, CC99M, CC98, CC98H, CC98K, 5521, 214 IP, 214 KW
  • 21 inch Mower Blades Compatible with Troy-Bilt TB449E, Tru-Cut 110, Tru-Cut 100, Tuff-Cut 200, Tuff-Cut 210, Tuff-Cut 220, Tuff-Cut 230, Pro-Cut 300, Pro-Cut 310, Pro-Cut 320, 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
  • Mower Blades Specification:blade length 21",air lift 15/16";width 2-1/2";thickness 1/8";cutting edge length 4";outer hole center to center 2-1/2";outer hole diameter 5/16";mower blade type: toothed mulching blade;compatible deck size:21"
  • Notice:you do not need to remove the paint on the blade before using it.The paint is probably there to protect your hand when installing it and prevent blade rust.It's gone after a few minutes of moving.
  • Notice:Before purchasing, please don't just focus on compatible model number. Make sure that the replacement number, model, and size match yours before selecting our blades.

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Budget pick

CUB CADET 742P0741-X Xtreme 21" Mulching Blades 2-Pack SRC621 SC100 SC300 SC500 SC700

CUB CADET 742P0741-X Xtreme 21" Mulching Blades 2-Pack SRC621 SC100 SC300 SC500 SC700

CUB CADET
  • CUB CADET OEM Part Number: 742P0741-X, Replaces: 742-04380, 742-04380-0684, 742-0741-X, 742-0741A-X, 942-04380, 942-04380-0684, 942-0741-X, 942-0741A-X
  • Fits CUB CADET: SC100H, SC100HW, SC300, SC300HW, SC300E, SC300IP, SC500Z, SC500HW, SC500EQ, SC700E, SC700H, S621, S621SS, SC621, SC621E, SR621, SRC621, SRE621
  • Fits CUB CADET: CC469, CC989, CC997ES, PR521, CC439, CC949, CC94M, CC98M, PR521, CC46M, CC46MZ, CC94M, CC999ES, CC46ES, CC99M, CC98, CC98H, CC98K, 5521, 214IP, 214KW

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2-pack value

Cluparis 942-0741A 2 Pack Lawn Mower Mulching Blade 21 Inch Cutting Decks, Compatible with MTD/Cub Cadet/Troy-Bilt Replaces 742-04100, 742-0741, 742-0741A, 942-0741

Cluparis 942-0741A 2 Pack Lawn Mower Mulching Blade 21 Inch Cutting Decks, Compatible with MTD/Cub Cadet/Troy-Bilt Replaces 742-04100, 742-0741, 742-0741A, 942-0741

Cluparis
  • ๐‘๐ž๐ฉ๐ฅ๐š๐œ๐ž๐ฌ ๐Ž๐„๐Œ ๐๐š๐ซ๐ญ ๐๐ฎ๐ฆ๐›๐ž๐ซ๐ฌ: 742-04100, 742-0741, 742-0741A, 942-0741 and 942-0741A
  • ๐‚๐จ๐ฆ๐ฉ๐š๐ญ๐ข๐›๐ฅ๐ž ๐ฐ๐ข๐ญ๐ก ๐Œ๐จ๐๐ž๐ฅ๐ฌ: Cub Cadet: CC439, CC949, CC989, CC997ES, PR521, S621SS, SC621, SC621E, SRC621, SRE621, SRS621, CC469, CC46M, CC46MZ, CC98M, CC997ES, S621, SR621, 5521, CC46ES, CC94M, CC98H
  • ๐‚๐จ๐ฆ๐ฉ๐š๐ญ๐ข๐›๐ฅ๐ž ๐ฐ๐ข๐ญ๐ก: MTD: RM105, RM110, RM120, RM210, RM220 Walk Behind Mowers with 21" Mower Decks
  • ๐‚๐จ๐ฆ๐ฉ๐š๐ญ๐ข๐›๐ฅ๐ž ๐ฐ๐ข๐ญ๐ก:Troy Bilt: 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, TB 105, TB 110, TB 115, TB 120, TB 125, TB 130 XP
  • Includes 2 mulching blade for many ๐Ÿ๐Ÿโ€ ๐œ๐ฎ๐ญ MTD, Cub Cadet, Troy-Bilt and Craftsman mowers Measures 21" in length and 2-1/4"" in width; Bow tie center hole design

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Safe design

UDC Parts 942-0741A Mower Blades 21 Inch for Troy Bilt TB130 TB240 TB160 TB115 TB230 TB110 Craftsman M230 M250 MTD Cub Cadet Yard Machines 742-0741 742-0741A 942-0741 CMXGZAM100067 / Mulching / 2 Pack

UDC Parts 942-0741A Mower Blades 21 Inch for Troy Bilt TB130 TB240 TB160 TB115 TB230 TB110 Craftsman M230 M250 MTD Cub Cadet Yard Machines 742-0741 742-0741A 942-0741 CMXGZAM100067 / Mulching / 2 Pack

UDC Parts
  • 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
  • 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
  • When installing a new Blade, or Cutter, you may notice that the cutting edge has been pre-sharpened but then painted over. This paint is a safety measure to protect the installer from injury during installation. This paint will come off quickly during initial operation and should not be otherwise removed
  • 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
  • 942-0741A 21 Inch Lawn Mower Blades Compatible with Craftsman 247.887760 (12AE999P099), 247.887761 (12AE999P099), 247.388140 (11A-418C099), M140 (CMXGMAM1125500) (11A-B2AQ793), M230 (CMXGMAM1125502) (12AVB2R3793), M250 (CMXGMAM1125503) (12AVB2AQ793), M270 (CMXGMAM1125504) (12AGA2MP793); MTD 214 IP, 214 KW, 378Q, 422Q, 42K, 436Q, 466Q, 559Q, 566Q, 567A, 568Q, 569Q, 588Q, 589B, 58K, 839Q, 980K, 986Q, 989Q, 997A, 998Q, C31E, C3KQ, D31H, D37K, D3K9, D3KB, D3KH, V550, V55D, V560, VB20
  • 942-0741A 21 Inch Lawn Mower Blades Compatible with Cub Cadet CC469, CC989, CC997ES, PR521, S621, S621SS, SC621, SC621E, SR621, SRC621, SRE621, CC439, CC949, CC94M, CC98, CC98M, CC98H, CC98K, CC99M, CC46M, CC46MZ, CC46ES, CC999ES, SC100, SC100H, SC100HW, SC700, SC700H, SC300, SC300HW, SC300B, SC300E, SC300K, SC500, SC500HW, SC500K, SC500Z, SC500EZ, SC500EQ, 5521, RB600, SCP100
  • 942-0741A 21 Inch Lawn Mower Blades Compatible with White Outdoor LC-436, LC-149, HW-615, HW-656, HW-456, W-56 MC, LC-210, LC-215, LC-215E, LC-210SS, W-995, W-54K, W-54MB, W-54MC, W-83MC, 11A-435D790, 11A-439S290, 12A-465E790, 12A-469S290, 12A-565E790, 12AD565E790, 12AV569S290, 12AV839S290, 12AF569S790; Columbia 11A-A44E897, 12A-976B897, 12A-979W897, 12AE979V897, 12AV569Q897, 12AVB29Q897, 11A-549Q597, 12A-978Q597, 12A-998Q597, 12AJ836L597, 12AV569Q597, 11A-549Q897, 12A-996B597, 12A-996B897

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Budget option

Hunakobyh 21 inch Mulching Blades for Cut MTD/Cub Cadet/Troy-Bilt Replaces 742-04100, 742-0741, 742-0741A, 942-0741, 942-0741A (1 Pack), Black

Hunakobyh 21 inch Mulching Blades for Cut MTD/Cub Cadet/Troy-Bilt Replaces 742-04100, 742-0741, 742-0741A, 942-0741, 942-0741A (1 Pack), Black

Hunakobyh
  • Fit for 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
  • Compatible with Troy-Bilt TB449E, Tru-Cut 110, Tru-Cut 100, Tuff-Cut 200, Tuff-Cut 210, Tuff-Cut 220, Tuff-Cut 230, Pro-Cut 300, Pro-Cut 310, Pro-Cut 320, 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
  • Replacement for Troy Bilt Cub Cadet Craftsman MTD 742-04100 742-0741 742-0741A 942-0741 942-0741A 490-100-C089 742-04276 742-04276S 942-04276 942-04276S CC-742-0741 CMXGZAM100067 OEM-742-0741
  • Bow tie center hole pattern
  • Size: 21 in. L and 2-1/4 in. W

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Specialized fit

CUB CADET 742P05720 Mulch Blade 21.18" S-Shape Center Hole XT1-LT42E ZT1-42E Lithium Ion

CUB CADET 742P05720 Mulch Blade 21.18" S-Shape Center Hole XT1-LT42E ZT1-42E Lithium Ion

CUB CADET
  • CUB CADET OEM Part Number: 742P05720 Replaces: 742-05720
  • Compatible with Cub Cadet Tractors, Zero Turns
  • Fits CUB CADET: CMCRM233404, XT1-LT42E, ZT1-42E Lithium Ion

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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

Buying Guide: Best cub cadet 21 mulching blade

Compatibility

  • Verify compatibility with your Cub Cadet model and deck size (e.g., SC100, SC300, CC469)
  • Check if the blade fits 21-inch cutting decks
  • Ensure it replaces OEM part numbers like 942-0741A or 742-0741

Blade Design

  • Look for bow-tie or S-shaped center hole patterns for secure attachment
  • Consider toothed or smooth edges for mulching performance
  • Evaluate air lift design for better grass circulation

Durability & Material

  • Choose blades made from high-quality steel for longevity
  • Check for pre-sharpened edges and corrosion resistance
  • Prioritize blades manufactured in the USA for reliability

Performance

  • Opt for Xtreme mulching blades for finer clippings
  • Ensure blades balance mulching and bagging efficiency
  • Check compatibility with walk-behind or riding mowers

Packaging & Value

  • Compare single blades vs. 2-packs for cost savings
  • Assess included features (e.g., pre-sharpened edges, safety paint)
  • Review replacement part numbers covered in the package

FAQs

Which blade is designed for Cub Cadet SC series mowers?

CUB CADET 942-0741A is compatible with SC100, SC300, SC700, SC500, and SC621 models.

What blade is recommended for a 21-inch deck?

Maxpower 331528B, Oregon Lawnmower, and Grasscool blades are designed for 21-inch decks.

Are there blades optimized for fine mulching?

CUB CADET Xtreme Mulching Blade Set (490-110-C202) and Xtreme 21"Blades (742P0741-X) are engineered for superior mulching performance.

Which blades come in a multi-pack?

CUB CADET 742P0741-X and Cluparis 942-0741A are available as 2-packs.

What blade fits models with an S-shaped center hole?

CUB CADET 742P05720 features an S-shape center hole for specific compatibility.

Which blades are compatible with Troy-Bilt and MTD decks?

Grasscool, Hunakobyh, and UDC Parts blades are listed as replacements for Troy-Bilt and MTD decks.

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