Types of garden branch crusher for walk-behind tractor

After clearing the area, there are branches and pieces of stumps left, and do you have a walk-behind tractor? You can get rid of them using a branch chopper for a walk-behind tractor.

A walk-behind tractor chopper is a useful household device.

After harvesting, he will help restore order to the site:

grind pieces of uprooted stumps, bushes, bark and branches
chop the grass and leaves
prepare fertilizer for the winter (compost)

The output is small chips, which are perfect for preparing fertilizer. The diameter of the crushed elements is 40-70 millimeters.

The big advantage of the shredder attachment is that it fits any type of walk-behind tractor. Using this device, you don’t have to remember about making fires and burning garbage. This processing method ensures environmental friendliness and waste-free production.

Experienced gardeners are familiar with the word “mulching.” The chopper will help prepare mulch, which will retain moisture in the soil and protect the root system from the development of diseases

Description

The attachment to a walk-behind tractor for a branch crusher is another device needed in the household. With its help you can perform the following work on your site:

clear the controlled areas of branches and garden debris (bush trimmings, etc.);
prepare mulch for plants;
grind uprooted stumps;
process grass;
prepare raw materials for making compost (plant fertilizer).

Branch chopper for walk-behind tractor - description and attachment options

A lot of large organic debris accumulates in a suburban area: grass, leaves, shoots of bushes and plants. A grass shredder for a walk-behind tractor can handle small soft greens, but processing branches may require more serious equipment. The ground cuttings become sawdust or shavings, which are used for gardening or farming. If necessary, the finished pieces can be several centimeters long. This attachment is also capable of chopping stumps or splitting firewood.

The chopper is a box in which saws or disks rotate. The branches are fed through the top loading tank and pulled between the shafts. In the chopping compartment they are ground into sawdust, which spills out through a special hole.

Types of garden wood chipper

There are several classifications of branch choppers for walk-behind tractors, differing

by type of power plant;
by motor performance;
by quantity and quality of cutting knives;
according to the operating principle of the unit;
by appointment;
with or without additional functions.

Let's look at each option in more detail.

Types of engines and their performance

For full operation of a garden shredder for a walk-behind tractor, motorized devices with the following power plants can be used:

gasoline type;
electric.

Gasoline engines are more efficient and do not require an electrical power source. Electric models are more unpretentious in maintenance and do not require special care; they are quiet, but will not work without being connected to an electrical outlet or to a battery.

Number of cutting edges, their features

Cutting mechanisms are of the following types:

circular saws mounted on the shaft in the amount of 15-30 pieces;
jointer knife with grooves, in quantities from 2 to 6 pieces;
synchronously rotating shafts with knives.

Knives can be of two types:

with one blade;
with two blades.

The second option allows, if one cutting edge becomes dull, to turn the knife over and continue working with the second cutting edge. The knives are easy to replace and can be sharpened.

What parameters should you use to choose a branch chopper?

When choosing a shredder, a person should first of all pay attention to the following:

funnel diameter;
nozzle functionality;
type of crushing system;
the engine can be gasoline or electric motors;
equipment weight;
power of the branch chopper;
way of processing garden waste.

You should also pay attention to the knife system. It can be milling or disk. If the grinder is not electric, it will be quiet and easy to clean. The only drawback is the dependence on power surges. The gasoline engine is capable of processing almost any waste, as it is more powerful.

In this video you will learn about the pros and cons of a branch chopper:

Peculiarities

The following attachments exist:

Designed for chopping dry branches;
Stump grinder for walk-behind tractor;
Grass choppers for walk-behind tractor;
Crushers working with raw material.

Specialized stores offer a full set of attachments that allow you to work with any material. Shredders for walk-behind tractors are capable of passing through branches with a diameter of about 5 cm, while the final product will reach a length of no more than 8 cm.

Operating principle of a branch chopper

The principle of operation of a branch chopper for a walk-behind tractor is extremely simple and understandable for everyone. The motor transmits rotation directly to the shaft or through a belt. At the same time, branches are fed into the receiving box, which are ground by knives or gears. Once the process is complete, the resulting branches are shredded and ready to be composted. This operating principle can be compared to a meat grinder.

With this device you do not need to spend a lot of energy processing branches

Such a branch crusher for a walk-behind tractor is used not only by gardeners and summer residents. There is industrial equipment that can process fairly thick tree branches. The design of these devices is one level more advanced and complex. You can assemble such a device at home, but only if you have professional skills. This will allow a person to recycle felled wood without spending a lot of time and effort.

Do-it-yourself branch crusher for a walk-behind tractor

Branch crushers can be made with your own hands; this will save the family budget and allow the owner of the walk-behind tractor to make the device according to his needs. For work on creating a chopper attachment, you will need:

welding machine;
Bulgarian;
drill;
bolted connections;
corners;
sheet steel, 5 mm thick;
pulleys;
bearings;
circular saws from 15 to 25 pieces;
shaft.

We suggest studying one of the diagrams, which shows the structure of the branch chopper:

After watching the video, you will understand how a branch chopper for a walk-behind tractor works.

Homemade crusher

Is it possible to make a crusher with your own hands? Of course you can. The assembly of a homemade device is carried out strictly according to the instructions.

Such a device has a number of advantages:

The owner himself determines the cutting ability based on the power of the walk-behind tractor and the type of chopper.
It is possible to select the required number of knives.
Allows you to produce a receiving hopper of the required diameter.
Assemble a shredder that will process different types of branches, leaves and weeds.
Low cost of parts.

A homemade device will become an indispensable assistant on the site and will allow you to quickly restore order.

The lineup

If you still want to purchase a ready-made branch chopper for your walk-behind tractor, then we offer a small list of popular models on the market:

Branch chopper "Premium" (without wood splitter)

Characteristics:

Material: steel;
Cutting capacity: up to 50 mm;
Product weight: 75 kg;
Cutting mechanism type: knife system.
The pulley for the motor tractor is included in the kit.

Branch chopper with wood splitter (TYPE - 2) Premium

Characteristics:

Material: steel;
Cutting capacity: up to 50 mm;
Knife thickness 12mm;
Product weight: from 90 kg;
Cutting mechanism type: knife system.

Branch chopper Volodar for walk-behind tractor RM-90D

Characteristics:

Output length of firewood from 80 to 170 mm
Unit productivity 5 m³ branches per hour
Weight 160 kg
External dimensions of the receiving hopper: 470 x 420 mm
Knife thickness: 8 mm
Number of knives: 6 pcs.
The thickness of the module plates is 20 mm
Steel grade: 65G hardened

Chipper for walk-behind tractor RM-90 M

Characteristics:

Normal operation of the machine with a workpiece diameter	hard wood 60 mm soft wood 80 mm
Length of firewood output	80 to 170mm
Unit performance	5 m³ branches per hour
weight	140 kg.

We also suggest watching a video of the operation of a wood splitter for a walk-behind tractor:

Nozzle selection criteria

When choosing a branch chopper attachment for a walk-behind tractor, you need to consider what type of plant waste is intended to be processed. Based on this, you should choose a crusher with suitable technical characteristics for you. Particular attention should be paid to the design of the knives (chopping system). The type of raw material that the mechanism can grind depends on it.

The following must also be taken into account:

an engine with a power of up to 1.5 kW is capable of processing branches with a diameter of up to 20 mm;
with power up to 4 kW – up to 50 mm. Typically, such mechanisms are purchased by people who have a small plot of land with garden trees;
If the motor power is more than 6 kW, the device will be able to grind raw materials with a diameter of up to 150 mm. This unit is well suited for a large farm.

Thus, it is important to maintain a balance between the power of the power plant of the walk-behind tractor and the cutting system of the wood chipper. Motoblocks with a gasoline engine have a power of 4 to 13 hp (5-17 kW), so it is better to use a universal or milling attachment. Walk-behind tractors with an electric power plant usually have a power of 2.5 hp. (1.8 kW), which implies the use of a blade chopping system.

With the right combination of engine type and power with a shredding system, any raw material can be processed, from leaves and grass to large branches and pieces of stumps.

The following nuances should also be taken into account:

bunker for supplying raw materials. The simplest and most convenient to maintain is considered to be a receiving funnel made in the form of a cone and located at an angle relative to the horizontal axis;
blade rotation speed. A grinder with the ability to adjust the speed, when processing the same type of raw material, will be able to produce fractions of different sizes;
several holes for loading raw materials. If there are different types of waste, it is preferable to purchase a device that has a receiving hopper for both branches and soft materials;
equipment noise. Noise levels above 84 dB will not only disturb nearby people, but are also sensitive to the operator's ears;
presence of reverse. A necessary condition for the convenience of removing stuck debris.

When choosing a wood chipper for a walk-behind tractor, make sure that the device includes a special raw material pusher. Since sticking your hand into the receiving funnel is extremely dangerous.

Manufacturing recommendations

The metal must be marked and the blanks cut out in accordance with the drawing. Cut pipes and angles to the required length and clean them. The bottom is welded to the bunker, and to it is a bracket for attaching the electric motor. The steel plate is attached vertically to the bracket; first you need to make holes in it that coincide with the mating part of the engine. To strengthen it, gussets are welded to the side of the slab.

The supports are attached to the body at an angle, and gussets are also welded to them, playing the role of stiffeners. When the straw chopper, made by yourself, is already standing on supports, a chaff ejection pipe is attached to it. Then the electric motor is bolted to the plate, and knives are mounted on its axis and securely fixed. Lastly, the cover is attached and the electrical part is installed.

It is not at all necessary to repeat the design presented in the article. The main thing is to correctly manufacture the working unit with knives, and you can adapt an electric drive to it in any convenient way. Just remember that the speed of the cutting shaft shaft should be within 2000 rpm. And then, if the span of the knives is no larger than those shown in the drawing. Otherwise, the machine will become a source of increased danger.

Grinder grinder

The simplest homemade product can be easily made from a grinder. It is better to take a tool with a power of 3000 W.

Design examples

The frame is shaped like a kitchen stool; it is welded from a metal corner 35 × 35 mm. A grinding machine is attached to it from the bottom with the shaft up. The working container is made from a bucket, tank, or gas cylinder.

Cut two holes:

the first is round, in the middle of the bottom for the angle grinder shaft;
the second is rectangular (5 × 10 cm), on the side for waste disposal.

To prevent wood chips from scattering, a tin pipe is attached obliquely to the side slot. A two- or three-blade knife from a lawn mower or a disc from a hedge trimmer is attached to the shaft of the grinding machine.

Assembly drawing

If you have sheet steel, fittings, angles, welding, then a drawing of a compact device for chopping plants will be useful. Assembly sequence:

2 plates are cut out of a sheet of steel, one for fastening knives and tools, the second for the hopper lid;
a hole is drilled in the center of the first plate, a washer is welded, the edges are welded with a corner, 2 studs are welded on the sides;
fastenings for the grinding machine are welded on the outside;
a hole is cut out in the upper part of the second plate, a piece of pipe is welded obliquely or horizontally;
the finished hopper lid is secured with nuts to the studs;
make legs from reinforcement;
attach the grinder, put a knife on the shaft.

A do-it-yourself grass and twig chopper for your dacha, made according to this drawing, will be useful in the household.

Preparatory work before assembling the chopper yourself

Before you start choosing the design of a garden shredder and start assembling it, you need to clearly define the goals of its future work. The device can be used to create sawdust, which can later be used to add to the soil in the form of compost.

Another option may be related to the production of fuel briquettes. The simplest would be an ordinary disc crusher for garden equipment. In the future, it can be used to crush branches of medium diameter.

Now you can start selecting the traction block. If it has a chopper attachment, walk-behind tractors with a power of at least 6 horsepower are suitable for this. The most reliable design will be if it is assembled on the basis of garden equipment from such as Neva or Cascade.

Next, it’s worthwhile to adapt the V-belt drive. This is necessary so that the knives can cope with the job without any problems and do not wear out the engine. To achieve this effect, it is worth remembering that a walk-behind tractor with 3 thousand revolutions per minute must be equipped with knives that will rotate at a speed of 1500 revolutions.

Grinder grinder

The simplest homemade product can be easily made from a grinder. It is better to take a tool with a power of 3000 W.

Design examples

Cut two holes:

the first is round, in the middle of the bottom for the angle grinder shaft;
the second is rectangular (5 × 10 cm), on the side for waste disposal.

Assembly drawing

If you have sheet steel, fittings, angles, welding, then a drawing of a compact device for chopping plants will be useful. Assembly sequence:

2 plates are cut out of a sheet of steel, one for fastening knives and tools, the second for the hopper lid;
a hole is drilled in the center of the first plate, a washer is welded, the edges are welded with a corner, 2 studs are welded on the sides;
fastenings for the grinding machine are welded on the outside;
a hole is cut out in the upper part of the second plate, a piece of pipe is welded obliquely or horizontally;
the finished hopper lid is secured with nuts to the studs;
make legs from reinforcement;
attach the grinder, put a knife on the shaft.

A do-it-yourself grass and twig chopper for your dacha, made according to this drawing, will be useful in the household.

Popular factory models

When you don’t want to make hay crushers for your home yourself, you can choose ready-made devices available in stores. The most common models are the following:

M15. The unit is equipped with sharp knives made of high-strength steel, as well as a reliable electric motor producing 3 kW of power. In addition, the device has a convenient hopper where raw materials are supplied. In total, using M15, you can process straw, hay, and thin branches. The drum rotation speed is 1500 rpm, and the weight of such a unit is almost 130 kg.
KR02. The device is very compact but has high performance. Due to the presence of a power of 1.54 kW, the model is capable of processing about 250 kg of material every hour. Can be run from a 220V network.
K-500. A unit with a power of 2 kW, which allows processing about 300 kg of raw materials in one hour. Due to this, the device is suitable for use on a farm where there is a significant number of livestock.

Straw chopper design

A homely owner who has a plot of land and, in addition, has various living creatures, knows perfectly well why such a machine is needed. We will only add one more area of application to the list: you can chop hay and straw to make fuel briquettes at home. If someone is planning such a thing, then you can’t do it without a straw cutter; try cutting or chopping this amount of straw by hand.

Home craftsmen have adapted to making various handicraft straw choppers from old pumps and vacuum cleaners. The principle of their operation is the same as that of knives mounted on a rod rotated by an electric drill. The hopper is an ordinary old bucket, into which grass or straw is placed, after which rotating knives are lowered into it and thus chopping occurs. Descriptions of such devices are easy to find on the Internet.

Only these mechanized cutting tools are too inefficient and impractical, and are only suitable for preparing food for a dozen rabbits. For the production of briquettes or other purposes when you need to process a lot of raw materials, you will need a reliable homemade straw chopper with sufficient power and performance. This is exactly what we will make.

The heart of any straw cutter is the working unit, which is a metal hopper with sharp knives rotating inside. The latter are rigidly fixed to a steel disk, which is mounted on the axis of the electric motor. The hopper is cylindrical in shape and, for safety reasons, is made high so that you cannot accidentally touch the knives with your hands when loading straw. At the bottom of the bunker there is a pipe for discharging chopped straw; for convenience it is made inclined.

The bunker rests on a tripod of such a height that an electric motor attached to its bottom by means of a plate fits underneath. A detailed drawing of the straw chopper is shown in the figure:

1 – bunker; 2 – cover; 3 – tripod support; 4 – electric motor; 5 – engine mounting plate; 6 – control panel; 7 – amplification band; 8 – control buttons; 9 – outlet pipe; 10 – engine mounting bracket; 11 – support thrust bearing; 12 – scarf; 13 – lamp – indicator; 14 – disk with knives; 15 – faceplate; 16 – rubber gasket; 17 – jumper; 18 – M5 bolt (8 pcs.); 19 – scraper; 21 – hinges for the lid.

The operation of the device is simple. By turning on the electric motor with the button and opening the lid, straw is loaded into the hopper. The finished chaff flies out of the side pipe; it is worth using some kind of container to catch it. A plastic barrel with a hole cut out on the side will do, so the straw won't fly away in all directions.

Materials and tools for assembly

The main point of making a shredder yourself is saving. To avoid additional costs, it is necessary to use only items that are already owned, but which turned out to be unnecessary: pipes, sheets, old electrical appliances or tools. You will also need a small number of auxiliary fasteners. The following working tools will be useful:

plumbing: drill, file, jigsaw;
welding;
grinding.

The shredder body, loading channel and support are made independently from the following materials: sheet metal, pipes or profiles, steel plate, fasteners (various hardware). Typically, pipes, sheets and plates are connected by welding, and finished elements (motor, cutting part) are connected by bolts. A bucket or container is suitable as a storage device.

Types of units

The most common way out of this situation is to crush them into chips, and then use them at your own discretion. For example, use it for compost, mulch the soil, etc. To process branches into wood chips, you will need a garden shredder. Currently, manufacturers recommend hundreds of models of similar tools required in everyday life, but they have a common disadvantage - high cost.

You can make an electric garden branch chopper with your own hands. The main element of any garden shredder is the operating mechanism that specifically chops branches into chips. By the way, they are divided according to the design of this mechanism. To make a branch chopper with your own hands, it is best to choose one of two types of crushing mechanism: with a disk chopper or with a cutting mechanism made from a circular saw.

In the disk unit, tree branches are crushed into chips using sharpened knives that are attached to a massive flywheel. The design makes it possible to very easily divide a significant amount of branches.

The main disadvantage is the periodic need to sharpen cutting knives. Without this, operating efficiency quickly decreases and the consumption of electrical energy or fuel increases (depending on the type of drive).

Knives are made of durable, strong steel, so sharpening them is not an easy task. You may have to seek help from a specialist. In crushers of the second type, a mechanism of several dozen circulating saws literally bites into the supplied wood. Compared to a disk unit, the speed is noticeably lower, but the chips come out much smaller. You can even make briquettes from it in the form of fuel.

This type of tool does not require periodic sharpening; in case of complete wear, the cutting components will need to be replaced. On the one hand, this is comfortable, and on the other hand, it is expensive, but for the average household, when using high-quality circulation discs, the period between installation and replacement reaches 10 years.

The garden branch shredder will be driven by an electric or gasoline (diesel) motor.

Naturally, you can’t make it with your own hands; you buy it ready-made. It should provide sufficient torque and reach speeds of up to 1500 rpm.

As a rule, using a gearbox you can reduce the rotation speed and increase the torque, however, this will complicate the design of the crusher. For a disk chopper, thanks to the use of a massive flywheel, it is possible to use a drive with a small amount of force developed.

How to assemble a grass and hay chopper yourself

The speed of grass decomposition depends on the degree of its grinding. The process uses grinders, which are easy to make yourself.

Craftsmen have come up with many options for making shredders. For example, they suggest using a drill in a craft. The craft uses the same principle as a food processor. Inside the cylindrical body (an ordinary bucket is used) there is a knife mounted on the drill shaft. Having a good sharpening, it rotates quickly and cuts the grass stems.

A drill with a power of 850 W or more is suitable for a homemade chopper. A hacksaw blade is used to make a knife. When sharpened correctly, the grass is cut and not collected on the blade. A well-prepared knife always remains clean.

The knife is sharpened on one side. It is placed inside the body with a bevel down. When chopping fresh herbs, it is better to use a diamond-shaped knife with a sharpening strip tapering towards the edge. On such a knife, the grass, due to centrifugal force, slides along the blade and is guaranteed to be cut. On a diamond-shaped knife, as a rule, winding of grass is not observed.

Using the scheme described above, you can make a grass chopper from a Typhoon vacuum cleaner. The craft will look more presentable, and its productivity will be greater.

There are two holes in its body: the top one, through which grass is loaded; the lower one is the side one, intended for the exit of the crushed mass.

The Typhoon model of the vacuum cleaner has a body that is ideal for the described grass chopping scheme. It has a top hole, the size of which is most suitable for the process. But if there is no such unit, then you can use a bucket, an old pan, or even a piece of pipe of sufficient diameter will do.

The engine for the craft is suitable for a washing machine. For knives, a hacksaw blade is used. The racks are made from a profile pipe with a cross section of 15x15 mm. The only thing you have to order is a 4-centimeter sleeve to which the knives are attached.

The motor is located at the bottom of the tank. Its output shaft is passed through its bottom and equipped with a sleeve on which the knives are bolted. An outlet hole is made on the side of the container, below.

Assembling a device based on a washing machine tank is practically no different from assembling a shredder with a different container. The difference is that before assembly, a small rectangular hole is cut in the bottom of the tank. It is reinforced with metal corners.

After installing the engine, it is connected to the cable and the starter. After this, the straw cutter at home is ready for use. Such seemingly simple units can significantly facilitate work and save time on housekeeping.

It is difficult for owners of their own farms to do without the help of small-scale mechanization. One of these assistants is a hay and straw chopper for private farmsteads. You can buy a ready-made unit, but such models are not cheap. For those who are well versed in technology, it will be more profitable to make it yourself.

Manufacturing from various devices

In order to make a wood chipper, you can use household appliances that have served their purpose. A small modification will make it possible to use them for a new purpose: to make a grain crusher or a branch chopper.

The main element in these devices is the engine. If it is in working order, then it only needs to be supplemented with some details.

From the Bulgarian

The operating procedure consists of the following steps:

1. Capacity is selected.
2. A hole is made at the bottom.
3. The axis of the grinder is passed through it.
4. A knife is installed on top.
5. The tool is securely fastened.

When rotating, the knife should not touch the walls of the container. Branches are poured inside and the grinder is turned on at minimum speed.

From the washing machine

To make a shredder from a washing machine, you need to take the following steps:

1. The activator is removed from the machine.
2. A knife is installed on the motor shaft. Its size is chosen smaller than the internal diameter of the tank.
3. A hole is made on the side, in the lower part, through which the chopped branches will pour out.
4. The outlet casing is attached to the hole.

This unit works on the principle of a coffee grinder. The main thing is that the knife does not touch the walls of the car.

From a walk-behind tractor

To make a chopper from a walk-behind tractor, you will need the following materials and tools:

walk-behind tractor;
knives;
shaft;
bearing;
channel;
sheet material;
electric plane;
welding machine;
hammer;
Bulgarian;
drill;
a set of keys.

The base is formed from a channel. A shaft from an electric planer, a knife and a pulley are installed on it. From the walk-behind tractor, torque is supplied through a belt drive to the pulley and shaft.

A receiving hopper is formed.

All structural elements are placed on the walk-behind tractor.

Making your own wood chipper provides significant savings. Factory models are expensive. At home, improvised means are adapted for this. Even if you have to purchase some components or have them manufactured, it will still cost much less than a purchased product.

Photo

Frame assembly

There are several operational factors to consider when designing and welding a frame. The minimum necessary requirement is that the engine and cutting elements must be covered by a housing. This will ensure safe work by eliminating operator access to working knives, as well as possible damage from flying chips.

The place for placing the engine and cutting tools must be additionally reinforced with corners and metal strips. Reinforcement is necessary to maintain structural integrity in conditions of high vibration when chopping branches. For the same purposes, a thick metal plate is used as a base, due to which the center of gravity is lowered and the structure becomes more stable. For the same reason, legs made of pipes or profiles are installed as wide as possible.

For the loading channel, cut welded metal sheets without reinforcement will be sufficient. The size should be greater than the length of a person's limb to avoid contact with the cutting mechanism when loading.

Garden shredders made in Russia

On the market of shredders intended for use in the countryside, there is a group of devices manufactured in Russia. Two companies are leading the ranking of domestically produced shredders.

Equipment under the ZUBR brand has been produced for 20 years. This is a reliable technique with excellent ergonomics and high quality. Garden chippers are distinguished by their low price, simple operation, and convenience. The manufacturer provides a five-year warranty for all its equipment, while providing a wide service area.
Another well-known Russian manufacturer is the full-cycle enterprise StankoLes-Trade, which produces equipment under the Lumberjack brand. Their shredders are inexpensive and reliable. The company provides a 12-month warranty on its equipment, and service is carried out in workshops with whom they have contracts.

Best models

Despite the simplicity of the design, the Bisons do their job well, no matter what unit they choose. The plastic body ensures lightness, and the box makes it easy to collect the resulting substrate. Large wheels ensure easy movement on the ground or on grass. The device has a bimetallic plate that protects the engine from overheating, as well as protection against starting when the box is open or if it is installed incorrectly. All BISONs operate on electricity, which means they can only be used when AC power is available.

Modification ZIE-40-2500. The unit is equipped with wheels and a 50 liter container. The engine with a 2500 W gearbox allows you to process fairly large waste. This model is equipped with a turbo knife made of alloy steel, which provides high speed of crushing knot material. The device copes with medium and large branches with a diameter of up to 40 mm.
ZIE-44-2800 is a more universal model, can be used as a shredder of leaves, mown grass, branches, and tree bark. The device is equipped with a turboshaft rotating at low speed, which easily grinds plant material. The maximum branch diameter is 44 mm. The device has a motor with a power of 2800 W, as well as a receiving container with a volume of 60 liters.

Shredders of the “Lumberjack” brand are designed only for working with wood; they are more powerful, but also more expensive.

It is worth highlighting the modification that runs on gasoline:

MP300 is a device designed for chopping shrubs and wood waste into chips, the size of which can be varied by the location of the knives. The device is equipped with a gasoline engine with a power of 6.5 horsepower. The knife mechanism consists of two knives made of 6ХС steel.

When understanding the technology, you need to start from the conditions of its use and the material that will be crushed. For a garden plot, it is better to take universal electric models. They help get rid of a variety of waste, as well as obtain valuable organic fertilizer in the form of compost from processed grass.

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All about wood chippers - description, characteristics

Introduction about shredders

When I was in the tenth grade, and it was 2000, the school, together with the state farm, in the village of Miltyushi, Cherepanovsky district, Novosibirsk region, sent us in the spring to burn straw.
We walked through huge fields and set fire to straw; students from grades 8 to 11 took part in this activity, which is more than 200 people. In addition, the state farm also burned straw on its own. It turns out that abroad they have long ago resolved the issue of recycling agricultural waste, such as seed husks, sunflower stems, hay, grass, peat, reeds and even branches. This entire line has the required humidity and is simply granulated into pellets. Next, the pellets are used both as bedding for animals and to generate heat in special automatic boilers. Oh, and by the way, in China for a long time they have been making not only pellets, but even chipboards from all this waste, for example, I have an article about making wood boards from reeds.

The hay chopper can also be used for other agricultural waste. It processes bales, rolls and simply bulk material into a fine crushed fraction. At the beginning of the article you can see a picture with a fraction from weed waste. There are vertical and horizontal shredders.