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10 Best John Deere Mulching Blades 2025 in the United States

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Our Top Picks

#1

Winner

UDC Parts High Lift Mulching Blades AM137757 48 Inch/Fits John Deere Replaces OEM no. AM141035, GX21784, GY20852, GX21786 D140 D155 D160 E140 E160 E170 LA130 LA145 Z255 Z355E S140 S160 S170 / 3 Pack

Rating
10.0
Chosen by1,439
Blade Thickness
Blade Material

Most important from
808 reviews

Blade Thickness
These blades are well made and slightly thicker than OEM, which helps them hold an edge longer and withstand hits without twisting.
Blade Material
Heavy duty construction makes these blades better than the original ones, requiring only minor adjustments for a perfect fit.

The UDC Parts High Lift Mulching Blades are designed specifically for John Deere mowers, making them a great choice for those looking to replace their current blades. These blades come in a convenient 3-pack and are compatible with a wide range of John Deere models, including the D140, E160, and S170 series, among others. They are 17 inches long, 2-3/4 inches wide, and have a thickness of 0.160 inches, which ensures a sturdy build.

The blades feature a 7-point star center hole and an air lift of 1-3/16 inches, which helps in achieving a high-quality cut and efficient grass mulching. The blades are also noted for their sharpness and durability, promising precise grass cutting each time. One unique aspect is the pre-sharpened cutting edge, which is painted over for safety during installation but wears off quickly during initial use. This design element indicates a thoughtful approach to user safety.

At a weight of 5.29 pounds and package dimensions of 20 x 3 x 2 inches, these blades are fairly easy to handle and install. In summary, for John Deere owners looking to maintain a pristine lawn, these UDC Parts mulching blades offer a reliable and well-regarded option, with the bonus of fitting multiple models and providing excellent cutting performance.

Rating
10.0
Chosen by1,439
Blade Thickness
Blade Material

Most important from
808 reviews

Blade Thickness
These blades are well made and slightly thicker than OEM, which helps them hold an edge longer and withstand hits without twisting.
Blade Material
Heavy duty construction makes these blades better than the original ones, requiring only minor adjustments for a perfect fit.
#2

UDC Parts Gator Mulching Blades GX22151 42 Inch/Fits John Deere Replaces OEM no. GY20850 AM131033 AM137333 AM141033 50-3231 D100 D110 D125 S100 S130 S240 LA100 LA105 LA120 LA135 E100 E120 E130/2 Pack

Rating
10.0
Blade Length
Blade Thickness

Most important from
808 reviews

Blade Length
Heavy-duty construction makes these blades better than OEM. Despite being a bit longer, the quality of construction is excellent.
Blade Thickness
These blades are well made, slightly thicker than OEM, which helps them hold an edge longer and withstand hits without twisting.

The UDC Parts Gator Mulching Blades GX22151 are designed to fit a wide range of John Deere models, making them highly versatile for many users. With a length of 21-3/8 inches and a width of 2-3/4 inches, these blades are substantial, and their 0.164-inch thickness indicates durability. The 7-point star center hole ensures a secure fit, and the 1-inch air lift helps in efficient grass cutting and mulching.

These blades feature a pre-sharpened cutting edge, which is initially painted over for safety. This paint will wear off during the first use, exposing the sharp edge for effective lawn care. Some might find the blades' weight of 4.89 pounds slightly heavy, which could affect handling during installation. Also, being manufactured in China may raise concerns for those preferring locally-made products.

The UDC Parts Gator Mulching Blades are an excellent choice for John Deere owners looking for reliable, durable, and efficient mulching blades that enhance their lawn care routine.

Rating
10.0
Blade Length
Blade Thickness

Most important from
808 reviews

Blade Length
Heavy-duty construction makes these blades better than OEM. Despite being a bit longer, the quality of construction is excellent.
Blade Thickness
These blades are well made, slightly thicker than OEM, which helps them hold an edge longer and withstand hits without twisting.
#3

John Deere Original Equipment Models E120/E130 Maintenance Kit + Mulching Blades

The John Deere Original Equipment Models E120/E130 Maintenance Kit + Mulching Blades is designed specifically for John Deere E120 and E130 lawn garden tractors. This maintenance kit includes essential components such as an oil filter, fuel filter, spark plugs, and an air cleaner, ensuring comprehensive upkeep of your lawn tractor. The mulching blades included in this kit are made by John Deere, ensuring high compatibility and performance with your tractor.

These OEM parts are known for their durability and reliability, making them a good investment for maintaining your lawn equipment in top condition. The blade length, width, thickness, and lift are optimized for effective mulching, which helps to recycle grass clippings into the soil, thus providing a natural fertilizer for your lawn.

The product's weight of 11.4 pounds and dimensions of 24 x 8 x 8 inches might be bulky for some users to handle during installation. Additionally, the kit's specialized fit for only certain models means it may not be versatile for use with other lawn tractors. This maintenance kit is well-suited for John Deere E120 and E130 owners looking for a reliable and comprehensive solution for their lawn care needs.

Buying Guide for the Best John Deere Mulching Blades

Choosing the right mulching blades for your John Deere mower is essential for achieving a clean, efficient cut and maintaining a healthy lawn. Mulching blades are designed to finely chop grass clippings and distribute them evenly back onto the lawn, which helps to fertilize the grass and reduce the need for bagging. When selecting mulching blades, consider the specific needs of your lawn and mower to ensure optimal performance.
Blade LengthBlade length is the measurement from one tip of the blade to the other. This spec is important because it must match the size of your mower deck to ensure proper fit and function. Blade lengths typically range from 16 to 22 inches. To choose the right length, check your mower's manual or measure the existing blades. Using the correct length ensures efficient cutting and prevents damage to your mower.
Blade WidthBlade width refers to the distance across the blade from one edge to the other. This spec affects the blade's strength and cutting ability. Common widths range from 2 to 3 inches. Wider blades are generally more durable and can handle tougher mowing conditions, while narrower blades may be more suitable for lighter, more frequent mowing. Consider the type of grass and terrain you have when selecting the blade width.
Blade ThicknessBlade thickness is the measurement of how thick the blade is. Thicker blades are typically more durable and can withstand more wear and tear, making them ideal for rough or uneven terrain. Thinner blades may be lighter and easier to handle but might not last as long under heavy use. Choose a blade thickness that matches the demands of your mowing conditions.
Blade LiftBlade lift refers to the angle and shape of the blade's edges, which create airflow to lift the grass for a cleaner cut. There are low, medium, and high lift blades. Low lift blades are suitable for sandy or dry conditions, medium lift blades are versatile for various conditions, and high lift blades are best for thick, lush grass. Select the blade lift based on your lawn's grass type and mowing conditions.
Blade MaterialBlade material affects the blade's durability and performance. Most mulching blades are made from steel, but the quality and treatment of the steel can vary. High-carbon or heat-treated steel blades are more durable and stay sharp longer. Consider the frequency of mowing and the toughness of your grass when choosing the blade material. Higher quality materials may cost more but can provide better performance and longevity.
Blade DesignBlade design includes the shape and features of the blade, such as serrated edges or curved surfaces, which enhance mulching performance. Different designs can affect how finely the grass is chopped and how evenly it is distributed. Look for designs that match your mowing needs, such as blades with more serrations for finer mulching or curved designs for better grass circulation. Choose a design that aligns with your lawn care goals.

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