Thick, overgrown grass needs the right blade or it just tears and clumps. For a smooth, buttery cut, specialized mower blades make all the difference.
Options like the Maxpower 21-inch and Oregon Gator G3 slice and mulch grass into fine clippings. Others, such as high-lift blades from 8TEN and Terre, boost airflow for cleaner cuts and better bagging.
This guide walks through the best lawn mower blades for thick grass, so you can match your mower to the perfect cutting edge.
| Maxpower 331981B 21-Inch Universal Gold Metal Mulching Lawn Mower Blade |
| Commercial Mulching Power | Blade Length: 21 inches | Compatibility (Brands or Models): Fits most 21-inch cut gas-powered mowers | Center Hole Type/Size: 1 inch diameter round hole | VIEW LATEST PRICE | Read Our Analysis |
| Oregon Gator G3 Mulching Lawn Mower Blades (3 Pack) |
| Superior Bagging Performance | Blade Length: 18-7/16 inches | Compatibility (Brands or Models): Fits Ariens, AYP, Craftsman, Dixon, Husqvarna, Murray, Poulan, Rotary, Stens | Center Hole Type/Size: 5-point star hole | VIEW LATEST PRICE | Read Our Analysis |
| MTD Mulching Blade for 20-Inch Lawn Mowers |
| MTD Compatible Mulcher | Blade Length: 20 inches | Compatibility (Brands or Models): Fits MTD 20-inch walk-behind mowers and related brands (Yard Man, Troy-Bilt, Bolens, White Outdoor, Huskee) | Center Hole Type/Size: 1 star center hole | VIEW LATEST PRICE | Read Our Analysis |
| Maxpower 331980B 20-Inch Universal Gold Metal Mulching Blade,yellow |
| Universal Mulching Blade | Blade Length: 20 inches | Compatibility (Brands or Models): Fits most 20-inch cut gas-powered mowers | Center Hole Type/Size: 1 inch diameter round hole | VIEW LATEST PRICE | Read Our Analysis |
| Maxpower 3 Blade Set for Craftsman Mowers |
| 3-Blade Set Essential | Blade Length: 18-5/8 inches | Compatibility (Brands or Models): Fits many 54-inch MTD, Cub Cadet, Troy-Bilt, Craftsman CMXGZAM110143 | Center Hole Type/Size: 6-point star hole | VIEW LATEST PRICE | Read Our Analysis |
| Terre 2 Pack High Lift 42″ Lawn Mower Blades |
| High Lift Efficiency | Blade Length: 20-7/8 inches | Compatibility (Brands or Models): Compatible with Craftsman, Husqvarna, Snapper, Poulan models (42-inch decks) | Center Hole Type/Size: 5-point star hole | VIEW LATEST PRICE | Read Our Analysis |
| 8TEN LawnRAZOR Blade Set for Husqvarna Deck |
| OEM Replacement Precision | Blade Length: (Not explicitly stated, but fits 54-inch decks, typical blade length around 18-21 inches) | Compatibility (Brands or Models): Compatible with Ariens, Husqvarna, Poulan 54-inch decks | Center Hole Type/Size: Notched high lift, star hole (exact type not stated but implied star) | VIEW LATEST PRICE | Read Our Analysis |
| 8TEN LawnRAZOR Blade Set for 42-Inch Deck |
| Toothed Deck Fit | Blade Length: 21 1/4 inches | Compatibility (Brands or Models): Compatible with Cub Cadet, MTD, Huskee, Columbia, Murray, Troy Bilt (42-inch decks) | Center Hole Type/Size: 6-point star hole | VIEW LATEST PRICE | Read Our Analysis |
| MaxPower Commercial Mulching Blade Set for Mowers |
| Sharpened Mulching Set | Blade Length: 21 inches | Compatibility (Brands or Models): Fits Craftsman (Husqvarna-made), Husqvarna, Poulan (42-inch cut) | Center Hole Type/Size: 5-point star hole | VIEW LATEST PRICE | Read Our Analysis |
More Details on Our Top Picks
Maxpower 331981B 21-Inch Universal Gold Metal Mulching Lawn Mower Blade
Should you be tackling thick grass and want a blade that can handle the job without slowing you down, the Maxpower 331981B 21-Inch Universal Gold Metal Mulching Lawn Mower Blade is a strong contender. This blade measures 21 inches long and 2-1/4 inches wide, fitting most 21-inch gas-powered mowers with ease. It comes with a cover washer and six reducing washers, so you can get the perfect fit without hassle. Designed for mulching, it chops grass finely, helping your lawn stay healthy and green. Plus, its universal design means you can switch it between mowers without fuss.
- Blade Length:21 inches
- Compatibility (Brands or Models):Fits most 21-inch cut gas-powered mowers
- Center Hole Type/Size:1 inch diameter round hole
- Blade Type/Design:Universal gold metal commercial mulching blade
- Intended Use/Application:Mulching for gas-powered mowers, commercial use
- Packaging/Quantity:Single blade with washers included
- Additional Feature:Commercial-grade durability
- Additional Feature:Includes multiple reducing washers
- Additional Feature:Universal fit for versatility
Oregon Gator G3 Mulching Lawn Mower Blades (3 Pack)
In case you’re tackling thick grass and want blades that handle tough mowing with ease, the Oregon Gator G3 Mulching Lawn Mower Blades (3 Pack) are made just for you. These blades measure 18-7/16 inches and fit 54-inch decks on many popular mowers like Ariens, Husqvarna, and Craftsman. They feature a high-lift angle that helps with cleaner side discharge and superior bagging, so your lawn looks neat every time. Built with strict quality controls and engineered in the USA, these blades cut efficiently in all weather conditions, making your mowing smoother and less of a chore.
- Blade Length:18-7/16 inches
- Compatibility (Brands or Models):Fits Ariens, AYP, Craftsman, Dixon, Husqvarna, Murray, Poulan, Rotary, Stens
- Center Hole Type/Size:5-point star hole
- Blade Type/Design:Gator G3 mulching blade, high-lift angle
- Intended Use/Application:Residential and commercial mulching and bagging
- Packaging/Quantity:3-pack blades
- Additional Feature:26-point quality certification
- Additional Feature:High-lift blade angle
- Additional Feature:Manufactured in USA
MTD Mulching Blade for 20-Inch Lawn Mowers
You’ll find the MTD Mulching Blade for 20-Inch Lawn Mowers especially helpful whenever you’re tackling thick grass with a walk-behind mower. This genuine part fits MTD models from 1997 onward and works well with brands like Troy-Bilt and Huskee. Its 3-in-1 design lets you mulch efficiently, cutting grass finely so your lawn looks clean and healthy. The star center hole guarantees a secure fit, so you won’t worry about it slipping during use. Through replacing original blades with this, you’ll enjoy smoother mowing and better grass clippings distribution, making your lawn care easier and more satisfying.
- Blade Length:20 inches
- Compatibility (Brands or Models):Fits MTD 20-inch walk-behind mowers and related brands (Yard Man, Troy-Bilt, Bolens, White Outdoor, Huskee)
- Center Hole Type/Size:1 star center hole
- Blade Type/Design:3-in-1 mulching blade
- Intended Use/Application:Mulching for walk-behind mowers
- Packaging/Quantity:Single blade
- Additional Feature:3-in-1 blade design
- Additional Feature:Replaces OEM parts
- Additional Feature:Star center hole
Maxpower 331980B 20-Inch Universal Gold Metal Mulching Blade,yellow
Finding the right blade to tackle thick grass can make a huge difference in your mowing experience, and the Maxpower 331980B 20-Inch Universal Gold Metal Mulching Blade stands out for gas-powered mower owners looking for efficiency and durability. This commercial mulching blade measures 20 inches long and fits most 20-inch cut mowers, making it a versatile upgrade. Its yellow finish isn’t just for looks—it resists corrosion and keeps the blade sharp longer. Plus, it comes with a cover washer and six reducing washers, so you can easily fit it to your mower’s spindle. Just keep in mind, it’s designed for gas mowers, so skip it should you have a battery-powered model. Regularly check and sharpen the blade to keep your lawn looking clean and healthy.
- Blade Length:20 inches
- Compatibility (Brands or Models):Fits most 20-inch cut gas-powered mowers
- Center Hole Type/Size:1 inch diameter round hole
- Blade Type/Design:Universal gold metal mulching blade
- Intended Use/Application:Mulching for gas-powered mowers
- Packaging/Quantity:Single blade with washers included
- Additional Feature:Powder-coated yellow finish
- Additional Feature:Includes cover washer
- Additional Feature:Multiple reducing washers included
Maxpower 3 Blade Set for Craftsman Mowers
Should you own a Craftsman mower with a 54-inch deck, the Maxpower 3 Blade Set is a solid choice for cutting through thick grass without missing a beat. These blades fit Craftsman model CMXGZAM110143 and many MTD, Cub Cadet, and Troy-Bilt mowers with 54-inch decks. Each blade measures about 18.6 inches long and 2.5 inches wide, perfect for tackling dense, tough grass. Maxpower makes them in the USA, ensuring durability that meets or beats OEM standards. With a 4.6-star rating from thousands of users, you can trust these blades to sharpen your lawn’s look while keeping your mower running smoothly.
- Blade Length:18-5/8 inches
- Compatibility (Brands or Models):Fits many 54-inch MTD, Cub Cadet, Troy-Bilt, Craftsman CMXGZAM110143
- Center Hole Type/Size:6-point star hole
- Blade Type/Design:Standard mower blade set
- Intended Use/Application:Replacement blades for 54-inch mowers
- Packaging/Quantity:3-blade set
- Additional Feature:Made in USA
- Additional Feature:6-point star center hole
- Additional Feature:High customer rating
Terre 2 Pack High Lift 42″ Lawn Mower Blades
While tackling thick grass, the Terre 2 Pack High Lift 42″ Lawn Mower Blades stand out as a reliable choice for mower owners who want a sharper cut and better bagging results. These blades feature a high lift design that helps lift dense grass for a cleaner, more efficient cut. They’re built to fit 42-inch decks and work smoothly with popular brands like Craftsman, Husqvarna, Snapper, and Poulan. You’ll appreciate how their 5-point star center hole guarantees secure attachment and compatibility with many models. Once your original blades wear out, these replacements keep your mower cutting like new.
- Blade Length:20-7/8 inches
- Compatibility (Brands or Models):Compatible with Craftsman, Husqvarna, Snapper, Poulan models (42-inch decks)
- Center Hole Type/Size:5-point star hole
- Blade Type/Design:High lift blade
- Intended Use/Application:Enhanced grass lift and bagging
- Packaging/Quantity:2-pack blades
- Additional Feature:High lift design
- Additional Feature:Multi-brand compatibility
- Additional Feature:Specific OEM replacements
8TEN LawnRAZOR Blade Set for Husqvarna Deck
Should you be tackling thick grass with a Husqvarna mower, the 8TEN LawnRAZOR Blade Set is a smart upgrade that won’t disappoint. These blades feature a notched high lift design that lifts and cuts dense grass efficiently, leaving your lawn looking neat. They fit perfectly on 54-inch decks for AYP, Husqvarna, and Poulan models, making them a versatile choice. You’ll find them compatible with several OEM parts, ensuring a seamless fit without fuss. Whether you own a Husqvarna LT2227A2 or a Poulan PBGT2654, these blades handle thick, tough grass with ease. They sharpen your mower’s performance and cut like butter.
- Blade Length:(Not explicitly stated, but fits 54-inch decks, typical blade length around 18-21 inches)
- Compatibility (Brands or Models):Compatible with Ariens, Husqvarna, Poulan 54-inch decks
- Center Hole Type/Size:Notched high lift, star hole (exact type not stated but implied star)
- Blade Type/Design:Notched high lift blade
- Intended Use/Application:High lift for bagging and cutting
- Packaging/Quantity:Set (number not specified, implied multiple)
- Additional Feature:Notched high lift design
- Additional Feature:Compatible with Ariens OEM
- Additional Feature:Fits multiple Husqvarna models
8TEN LawnRAZOR Blade Set for 42-Inch Deck
Should you be tackling thick grass with a 42-inch deck mower, the 8TEN LawnRAZOR Blade Set is built to handle the job without breaking a sweat. These toothed blades fit a variety of models, including Cub Cadet, MTD, Troy Bilt, and more. Measuring 21 1/4 inches long and 2 3/8 inches wide, they deliver a clean cut that slices through dense grass effortlessly. Their 6-point star center hole guarantees secure attachment, so you won’t worry about wobbling. With these blades on your mower, you’ll enjoy smooth, efficient mowing that keeps your lawn looking sharp and healthy.
- Blade Length:21 1/4 inches
- Compatibility (Brands or Models):Compatible with Cub Cadet, MTD, Huskee, Columbia, Murray, Troy Bilt (42-inch decks)
- Center Hole Type/Size:6-point star hole
- Blade Type/Design:Toothed blade
- Intended Use/Application:Efficient mowing and maintenance for 42-inch decks
- Packaging/Quantity:2 blades
- Additional Feature:Toothed blade design
- Additional Feature:Wide brand compatibility
- Additional Feature:Specific OEM part number
MaxPower Commercial Mulching Blade Set for Mowers
Should you be looking to tackle thick grass with blades that deliver serious mulching power, the MaxPower Commercial Mulching Blade Set for Mowers stands out as a top choice. These blades fit 42-inch decks on Craftsman, Husqvarna, and Poulan mowers, except Craftsman models made through MTD. Each blade measures 21 inches long and 2½ inches wide, featuring a unique 5-point star center hole for secure mounting. They come sharp and powder-coated to protect the edge until you start mowing. You’ll enjoy efficient mulching that keeps your lawn neat and healthy, making tough grass feel like butter under your mower.
- Blade Length:21 inches
- Compatibility (Brands or Models):Fits Craftsman (Husqvarna-made), Husqvarna, Poulan (42-inch cut)
- Center Hole Type/Size:5-point star hole
- Blade Type/Design:Commercial mulching blade, powder-coated
- Intended Use/Application:Mulching grass efficiently for 42-inch decks
- Packaging/Quantity:2 blades
- Additional Feature:Powder-coated protection
- Additional Feature:Sharpened at manufacturing
- Additional Feature:OEM part replacements
Factors to Consider When Choosing Lawn Mower Blades For Thick Grass
Choosing the right lawn mower blade for thick grass involves several crucial factors that affect cutting performance and durability. It’s essential to take into account blade material, length compatibility with your mower, and whether you prefer mulching or bagging options. Additionally, matching the center hole specifications and exploring high-lift blade designs can make a big difference in handling dense, heavy grass.
Blade Material Durability
Durability plays a crucial role during the selection of lawn mower blades for thick grass, as the material directly affects how well the blade holds up under tough conditions. High-carbon steel is popular because it offers strength and resists wear, making it ideal for cutting dense grass. Stainless steel blades resist rust and corrosion, especially useful in damp or humid climates, helping them last longer.
Hardened steel blades receive special heat treatments to stay sharper for extended periods, which means fewer blade changes. Some blades come with powder-coated finishes that guard against rust and scratches while keeping edges sharp. Additionally, thicker blades provide extra toughness, standing firm against the pressure of thick growth. Choosing blades with durable materials guarantees smoother mowing and less frustration over frequent replacements.
Blade Length Compatibility
After considering the durability of lawn mower blades, attention turns to blade length compatibility, which plays a big role in how well the mower performs on thick grass. Matching the blade length to the mower deck’s specifications is crucial for smooth operation and even cuts. Most residential mowers use blades between 18 and 21 inches, while commercial ones often require longer blades to handle wider areas and tougher grass. It is vital to also check the center hole’s size and shape to fit the spindle correctly. Using a blade that is too long or too short can cause uneven cutting and strain the machine, potentially leading to damage. Choosing the right blade length guarantees efficient cutting and helps the mower glide effortlessly through thick grass.
Mulching vs. Bagging
Many lawn enthusiasts find themselves considering the benefits of mulching versus bagging while selecting blades for thick grass. Mulching blades finely chop clippings, letting them quickly decompose and nourish the soil.
This supports healthier, thicker grass over time. Bagging blades lift and collect clippings, leaving a tidier lawn but requiring more effort to dispose of the material. For thick grass, high-lift blades work well, as they create strong airflow to lift dense grass for cutting and bagging. Mulching blades often include notches to improve chopping but can struggle with very thick patches. Choosing between these depends on whether a user prefers enhancing the soil naturally or maintaining a clean lawn appearance. Comprehending blade design helps match lawn care goals with the right blade type for thick grass.
Center Hole Specifications
Center hole specifications play a critical role in selecting the right lawn mower blade for thick grass, as they directly affect how securely the blade attaches to the mower. The center hole can be round or star-shaped, with each type fitting different mower spindles. A common size is the 1-inch round hole, which suits most standard mowers.
Star-shaped holes offer extra stability and grip, reducing wobble during cutting. Sometimes, blades with larger or unique holes need special adapters or washers to fit properly. Matching the blade’s hole size and shape to the mower spindle guarantees safe installation and smooth operation. Paying attention to these details helps the blade stay firmly in place, which is essential for tackling thick grass efficiently without damaging the mower.
High-Lift Blade Design
Selecting the correct blade goes beyond just fitting the mower’s center hole size and shape. High-lift blades stand out through their steep angle and curved design, which generate strong airflow beneath the mower deck.
This extra lift raises thick grass blades higher before cutting, resulting in a cleaner, smoother cut that helps your lawn stay healthy. These blades also excel at directing clippings into the bag or chute, making cleanup easier. For those who mulch, high-lift blades chop grass into finer pieces, speeding up decomposition and feeding nutrients back into the soil. However, users should check whether their mower deck supports high-lift blades, as not all models do. Choosing the right blade design guarantees efficient cutting and healthier grass, making your mowing experience much more satisfying.
Gas vs. Electric Mowers
While determining between gas and electric mowers, it’s essential to take into account how each type manages thick grass, particularly while selecting the appropriate blades. Gas mowers usually offer more power, making them better at cutting dense grass with fewer passes.
Their blades tend to be sharper and more durable, designed to handle heavy-duty mowing. High-lift blades often pair well with gas mowers, helping to lift and discharge thick grass smoothly. On the other hand, electric mowers are quieter and eco-friendlier but may struggle with thick patches, sometimes needing multiple cuts for a clean finish. Blade choice should match mower type, balancing power and blade design to guarantee smooth, efficient cutting in thick grass without clogging or extra effort.
Maintenance and Sharpening
Many factors influence how well lawn mower blades perform in thick grass, but maintenance and sharpening play a key role in keeping them efficient and long-lasting. Regularly inspecting blades for wear or dullness helps maintain clean cuts, which is vital for thick grass. Sharpening blades at least once per season improves cutting power and reduces strain on the mower’s engine.
It’s crucial to keep the blade angle between 25 to 30 degrees during sharpening for the best results. After sharpening, balancing the blades prevents uneven cutting and vibration, protecting both the mower and blades from damage. Cleaning blades after every use removes debris and grass clippings, preventing rust and extending blade life. These simple steps guarantee your mower stays sharp, smooth, and ready to tackle thick grass effortlessly.