Choosing the Right Mulcher

A mulcher is an agricultural machine equipped with a cutting tool. It can manage lighter garden waste like dead leaves, twigs, wood chips and smaller garden trimmings. Large-scale mulchers are used to cut hedges and bushes, to maintain the safety of road shoulders and for forestry work. Wherever it’s being used, it converts materials into mulch which helps fertilize the soil. In this guide, we’ll discuss the various key points to consider when choosing the right mulcher for your project.

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  • How to choose the right mulcher

    In order to best identify the mulcher which will suit the needs of your project, you’ll want to consider the application, grinding technology and the different types. Here are the main points we’ll cover in this guide:

     

    • Application
    • Grinding technology
    • Types of mulchers
    • Weight of mulchers
    Offset mulcher - ELHO

    Offset mulcher – ELHO

  • How does the application impact my choice of mulcher?

    Mulchers are used for a number of applications including forestry, vineyards, orchards, roadside, field crops and more. Mulchers for orchards and field crops are used to mow and shred plants as well as to prune foliage and bushes. They can be mounted either on a tractor, micro-tractor or quad. 

     

    For forestry, mulchers are often used for large-scale work such as deforestation, major clearing work and the maintenance of forest paths. The machines can be mounted on vehicles such as trucks and tractors. This type of mulcher is powerful enough to shred bushes, brushwood, branches, shrubs and stumps with a diameter of up to 60 cm. There are also mulchers available that can cut diameters of over 60 cm, but these are much less common

    Mounted mulcher T415 - DENIS CIMAF

    Mounted mulcher T415 – DENIS CIMAF

    Mounted mulcher FMH165-205 - iangsu AWON Machinery and Equipment

    Mounted mulcher FMH165-205 – iangsu AWON Machinery and Equipment

  • What are the types of mulchers?

    The types of mulchers include mounted, offset, self-propelled and walk-behind. Although less common, walk-behind mulchers can be a great choice for narrow or difficult-to-reach places including uncultivated land, roadsides, undergrowth, sloping ground and terraces.

     

    Self-propelled mulchers can run at a speed of up to 10 km/h and have excellent traction. They’re often used for forestry applications where there is a frequent need for significant power and agility, making this kind of mulcher practical for difficult terrain with a slope of up to 50%. 

     

    Mounted mulchers are placed on traction equipment such as a tractor. You’ll need to choose a tractor, for example, with a motor power that’s able to handle the diameter of what you’re shredding. To cut an object with a width of less than 120 cm, you will need a machine with 18 to 40 HP. For a width greater than 170 cm, you must use a machine with power between 35 HP and 65 HP. 

     

    Offset mulchers are mounted on an articulated hydraulic arm which is attached to the tractor. As we explained for mounted mulchers, you’ll need to use a tractor with a motor power that’s able to handle the diameter of what you’re shredding—see above. The offset mulcher allows easy access to ditches and the possibility of cutting vertically or horizontally. It is therefore often used in road maintenance.

    Walk-behind mulcher AS 701 SM - AS Motor

    Walk-behind mulcher AS 701 SM – AS Motor

    Self-propelled mulcher 160C² - UNAC

    Self-propelled mulcher 160C² – UNAC

    Mounted mulcher TRX - Crushing Tech srl

    Mounted mulcher TRX – Crushing Tech srl

    Mounted mulcher DM520 - Jiangsu AWON Machinery and Equipment Co.,Ltd

    Mounted mulcher DM520 – Jiangsu AWON Machinery and Equipment Co.,Ltd

  • What should I know about the grinding technology?

    The different grinding technologies for mulchers include the following: flail, knife, disc, drum, wire and sickle bar. Although certain technologies are more common, such as knives, flails and drums, each one has its advantages. 

     

    • Knives: This grinding technology is the most versatile tool. It’s ideal for mowing grass and can also cut small shrubs up to 3 to 6 cm in diameter, depending on the model. It can be used for the shredding of organic matter in agricultural fields or communal spaces, such as parks. 
    •  Flails (or Hammers): This tool is suitable for cutting shrubs and branches up to 8 cm—or 12 cm for double hammers. Hammers are less suitable for mowing grass as they tend to grind more rather than making a clean cut. 
    • Drums: This technology has a cylindrical shape. It is robust and therefore ideal for intensive mowing in areas with mixed vegetation. It can crush plants up to 25 cm in diameter. It grinds roughly, resulting in an uneven cut but making it efficient in thickets.
    Mounted mulcher SC400-600 - Jiangsu AWON Machinery and Equipment

    Mounted mulcher SC400-600 – Jiangsu AWON Machinery and Equipment

    Flail mulcher - INO

    Flail mulcher – INO

  • How much power will you need for the mulcher's weight?

    If you plan to buy a mounted mulcher, you must make sure that your traction equipment—tractor, mini-excavator or backhoe loader—can handle it. The weight of the attachment—the mulcher, in this case—must not exceed the handling capacity of your traction machine in order to guarantee optimum stability during an operation. Here is the motor power required according to the weight of the mulcher.

     

    • Micro-tractors with power of less than 25 HP: The maximum weight of the mulcher must not exceed 150 kg. 
    • Tractors with power between 25 and 50 HP: The weight of the mulcher should be between 150 to 320 kg. 
    • Tractors with power between 45 and 70 HP: The weight of the mulcher should be between 320 and 400 kg. 
    • Tractors with power between 50 and 80 HP: The weight of the mulcher should be between 400 and 500 kg. 
    • Tractors with power between 60 and 90 HP: The weight of the mulcher should be between 500 and 650 kg. 
    • Tractors with power between 90 and 120 HP: The weight of the mulcher should be between 650 and 950 kg. 
    • Tractors with power between 120 and 160 HP: The weight of the mulcher should be between 1,000 and 1,300 kg. 
    • Tractors with power greater than 160 HP: The weight of the mulcher can go beyond 1,300 kg.
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