Garden Shredders and Wood Chippers: Complete Buying Guide

Garden Shredders, divided into Wood Shredders and Wood Chippers, are machines designed to shred and reduce pruning waste and various organic materials into small pieces, such as branches, leaves, grass, and plant waste. Thanks to their efficiency and practicality, wood shredders have gained prominence in modern gardening, especially after the ban on burning brushwood and plant waste.
Using a Shredder allows you to avoid having to transport bulky and large quantities of green waste to landfills, reducing waste into small pieces and turning it into ideal raw material for high-quality compost perfect for fertilization.

This buying guide for wood shredders and chippers will describe the different types of shredders available and their differences in terms of quality.

What is a Wood Shredder for

Using a Shredder is perfect when doing gardening work with bulky green waste. Shredders, designed to break down waste from gardening and agriculture into small pieces, offer two main advantages:

  • Time and cost savings for waste transportation to landfills
    Branches, foliage, and organic pieces are shredded into much smaller and less bulky material that doesn't need to be transported immediately to landfills.
  • Production of high-quality compost
    The compost produced by the chipper is excellent for fertilizing garden or vegetable garden soil, improving soil structure and providing soil organisms with essential nutrients for plants.
what wood shredders are and what they're for

Difference between Wood Shredders and Wood Chippers

Both used to process plant waste, wood shredders and wood chippers have slightly different structures, purposes, and functions.
Wood chippers have a more robust frame, with a crushing apparatus designed to cut significantly larger branches.
Unlike wood shredders which are designed to shred branches, leaves, and other plant waste of smaller diameter into fragments or chips, wood chippers cut tree trunks and larger diameter branches, producing coarser waste (wood chips).
The final product of the wood chipper, the wood material reduced into flakes (chips), is used as natural fertilizer, as soil mulch, or as biomass for heating.
In summary, a wood chipper differs from a wood shredder in:

  • Cutting mechanism: wood shredders generally use rotating blades or hammers to cut and may have different cutting speeds. Wood chippers use more robust and sharper blades.
  • Shredding product: wood shredders are designed to cut plant materials of smaller diameter, reducing them into small fragments usable for compost or pellets. The wood chipper cuts branches and trunks of larger diameter, reducing them into wood chips or coarse shavings.
difference between wood shredders and chippers

Types of Shredders

There are different types of wood shredders and chippers, each with specific characteristics that adapt to different worker needs. The main categories are divided based on the type of power source and engine they have. We have:

  • Electric Shredders
    Powered by electricity, these shredders are quiet and suitable for use in urban environments or near homes. They are ideal for processing small quantities of material. This is the most requested version for domestic use, but it's important to remember they require high current availability.
    Electric chippers for hobby use have a brushed single-phase motor and are designed to handle work on small and medium-sized gardens. Although Electric Shredders can shred branches up to 4.5 cm in diameter, it's advisable to work on these sizes only as an exception and focus most work on more modest diameters.
    There are also Professional Electric Shredders with induction motors specifically designed to handle large amounts of work for extended consecutive periods.
  • Gasoline Shredders
    This type of green shredders is generally used at a professional level as they can handle large amounts of work for several hours at a time. They differ from electric shredders by their more robust steel structure compared to the plastic of the previous ones. This category of chippers also distinguishes between professional models, featuring gasoline engines from brands recognized for high quality and durability, making them suitable for long working sessions without requiring fuel refills.
  • Tractor-mounted Shredders
    This last category of shredders is the most resistant and powerful with the greatest cutting capacity. These are shredders that connect to the tractor, allowing for virtually unlimited power. Typically, this type of machinery is used in agriculture and its structure makes it suitable even for large-scale work.
what types of wood shredders exist

Cutting Systems of Garden Shredders

Wood Shredders and Chippers are commonly divided by cutting type:

  • Blade Disc Shredders
    These models feature a steel disc with sharp blades that cut organic materials, such as branches and shrubs, into small pieces. They are ideal for processing medium-sized branches and are suitable for domestic use. This is the most common and simple shredding method, offering medium shredding grade (from 3 to 5 cm).
  • Drum Shredders
    These wood shredders use a drum with rotating blades to shred materials. This is the evolution of the blade disc as this cutting type adds shredding from the use of sharp floating hammers.
  • Roller Shredders
    This is the most powerful shredding method as organic material passes through rollers that can shred branches up to 10 cm in diameter. This type of machinery is suitable for branches and shrubs as it has more difficulty with small-sized materials like grass and foliage.
shredders for greenery and gardening

In conclusion, wood shredders and chippers are essential tools for gardeners and nature lovers, as they allow you to transform organic waste into valuable compost and keep your garden tidy. With different types to choose from, you can find the shredder that best suits your needs and make the composting process simpler and more efficient.

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