Motoblock with power take-off shaft: characteristics and overview of models

Motoblocks that have a power take-off shaft in their functionality, as a rule, are in price from experienced summer residents. The presence of such a unit makes it possible to use different tools in the country. The use of additional equipment will undoubtedly have a positive effect on the quality of the crop.

First of all, you need to know that the power take-off shaft is a device for transferring engine energy to the moving elements of the tool or mechanisms working in conjunction with the walk-behind tractor. In machines, in most cases, the drive mechanism of the agricultural implement is connected to the power take-off shaft using a splined sleeve. This connection method significantly increases the reliability of the mechanisms and increases their service life.

Most of the entire range of units is equipped with a shaft that is installed at the rear of the walk-behind tractor. But sometimes there are agricultural machines equipped with a PTO located on the front side of the unit.

Let's list the tasks that the power take-off shaft performs.

• Launching and functioning of attachment mechanisms. It is worth noting that equipment units can be driven both directly and using belt drives, gearboxes or cardan shafts. From the connection principle, the degree of load on the mechanism changes.
• Sometimes the PTO shaft can be useful for trailer hydraulic systems. In this case, the shaft acts directly on the hydraulic pump. But for such functions, the PTO is rarely needed, because summer residents very rarely use tools with hydraulic systems.

Power take-off shafts are divided into classes depending on their operating principle. Considering this nuance, then all mechanisms can be divided into several types.

• Shafts that work directly from the engine of the walk-behind tractor are called dependent. If there is no connection between the clutch and the engine, the PTO stops rotating.
• In the independent version, the power take-off works in a more gentle mode due to the even distribution of the load. This type of drive makes it possible to use the mechanism with the clutch disengaged.
• If the non-stop operation of the PTO is provided by the rotation of the wheels, then such a shaft is called synchronous.
• Asynchronous shafts, according to the principle of operation, are the opposite of the mechanism of the previous class. These types of assemblies are usually designed for an implement that must operate intermittently and at low speeds.

Before purchasing the unit, you must focus on the complex of operations that the walk-behind tractor will have to perform. You should not buy the most expensive modifications of units that have a full set of functions in their arsenal.... Not every model will be able to cope with the task at hand.

For example, in large areas with a dense soil composition, the best option would be to buy a heavy unit, while in a small dacha a light class walk-behind tractor will be enough.

And also, when choosing, it is necessary to decide on the type of fuel on which the agricultural machine will work.Units with a gasoline engine are quieter, lightweight and easy to maintain. Diesel walk-behind tractors are noisier, but take up with their high power. The downside of a diesel engine is its high price.

It should be borne in mind that additional attachments can often be supplied by another manufacturer... In this case, to connect the implement to the purchased walk-behind tractor an adapter is required... This can lead to unit malfunction or work problems.

On the market today, the range of motoblocks is quite diverse. Models of such companies as Husqvarna, Profi, Hyundai are in great demand.... In our country and neighboring countries such machines as "Belarus", "Neva", "Salyut-100" are presented. Of course, one should not discount the Chinese firms Forte and Wiema, because their products are also quite in demand.

If we compare foreign models with domestic counterparts, then we can see that their cost is not always justified by the reliability and ease of use. Besides imported models will require expensive consumables and the availability of experienced service technicians. Both are very difficult to find.

Domestic firms are focused on ease of use, low cost. The decisive factor is the ability to repair the walk-behind tractor on your own.

In order to get some idea about motoblocks with a power take-off shaft, you need to familiarize yourself in more detail with the characteristics and features of some models.

The walk-behind tractor of this model is considered a real find for adherents of professional technology. The unit has great functionality, despite its compact size. Almost the entire range of attachments can be connected to the PTO shaft, from the plow to the snow plow rotor.

The manufacturer specifies the following specifications:

• weight - 70 kg;
• power - 6 liters. with.;
• low noise level;
• fast start-up and flawless operation in cold weather;
• cultivation depth up to 20 cm;
• high engine resource;
• capture width - 86 cm.

In addition, some modifications of the Neva can be equipped with an electric starter.

The walk-behind tractor is mainly used for agricultural work in small farms. With the help of additional accessories, this machine can be used as a small tractor.

Has a downshift function. When transporting cargo weighing up to 500 kg, it develops a speed of 10 km / h.

Technical details:

• weight - 78 kg;
• power - 5 liters. with.;
• plowing depth 25 cm;
• adjustable processing width up to 90 cm;
• the steering column is equipped with two position switches for comfortable control.

The model is designed for versatile soil cultivation on an area of ​​up to 5 hectares. The unit is distinguished by unpretentiousness to working conditions and reliability. Thanks to the weight, it provides traction and excellent handling. It belongs to the heavy type.

Of the above characteristics, it can be noted:

• unit weight - 176 kg;
• developed power - 9.38 liters. with.;
• the capture width is adjustable from 45 to 70 cm;
• number of gears - 4/2;
• carrying capacity - 650 kg;
• speed up to 11 km / h.

Motoblocks were specially developed by German manufacturers for agricultural operations in areas with heavy soil and poor maneuverability.Thanks to its power of 14 horsepower, this machine is able to provide easy working conditions where significant efforts are required with a conventional walk-behind tractor. For evening work, these models are equipped with a headlight.

Attached specifications:

• motoblock weight - 178 kg;
• power - 14 liters. with. (in some models up to 18 liters. from.);
• captured processing width - 80-100 cm;
• plowing depth - 15-30 cm.

In addition, the walk-behind tractor is equipped with a cold start mechanism and a vibration damping system.

Chinese agricultural machines are mainly distinguished from other brands by their low price. It is good if the cost reduction is achieved by increasing the quantity of products. But sometimes manufacturers from this country reduce the cost of goods by installing low-quality components.

One way or another, it is worth considering the most popular models.

It is positioned as a multifunctional unit for performing agrotechnical operations on plots with a total area of ​​up to 1.5 hectares. Used for cultivation, harvesting root crops, sowing seeds and many other tasks. The walk-behind tractor is able to withstand high loads for a long time.

Some technical data:

• the average weight of the unit is 105 kg;
• power - 7 liters. with.;
• processed width - 105 cm;
• processing depth - 35 cm;
• developed speed - 8 km / h;
• loading weight - 350 kg.

The motoblock, made according to Western models, belongs to the units of the heavy class. A powerful engine is able to fully provide high-quality functionality and performance of all tasks. The presence of a power take-off shaft allows the unit to operate with implements for various purposes throughout the year. An electric starter is installed on this modification, which makes it easier to start in severe cold.

Specifications:

• unit power - 9 liters. with.;
• weight - 140 kg;
• processed depth - 30 cm;
• capture width - 80-130 cm;
• carrying capacity - 300 kg;
• developed speed - 11 km / h.

You will learn how to make a power take-off shaft in the next video.