Single axle 4×4 tractor with their own hands. Design features of the machine

All-wheel drive 4×4 single axle tractor: mini tractor from VAZ 2121 with engine with your own hands

The specifics of life in the countryside suggests the presence of certain means of small-scale mechanization, helping the dacha farmer in his daily work. This is especially true for farmers who have quite large estates, the processing of which by hand is simply impossible.

However, not everyone has enough money to buy a ready-made mini-tractor in the store, because its cost can be really impressive.

In such cases, homemade mini-tractor of rural craftsmen become more and more relevant and worthy of attention. This is quite justified, because this approach to the matter allows you to significantly save on the purchase of the unit itself, which is the main reason for such self-made.

It can also be interesting because the assembly process itself can be quite fascinating, especially for those people who are not indifferent to machinery.

For more details about the minitractor makeshift, see

Four-wheeled power tillers. description and making with their own hands

Today power tillers. is an essential attribute of any garden and vegetable works. They help to quickly and efficiently cultivate the soil, sow and harvest. Nevertheless, there is one disadvantage of such machines. the need to control a 100-kilogram power tiller and follow it from behind. We propose to get acquainted with the improved models of equipment, which are equipped with four wheels instead of two.

Despite the obvious advantages of such equipment, there is a sufficiently small number of its representatives on the market. We suggest studying the characteristics of these units on the example of the “Zubr JR-Q12” model. The design of this machine includes:

  • The 4-stroke single-cylinder engine with direct fuel injection. Engine output is 12 liters. с.;
  • Fuel tank volume of 5.5 liters.;
  • Water cooling system for motor and gearbox;
  • Manual starter;
  • Disc clutch system;
  • Transmission with six front and two rear speeds;
  • The physical weight without attachments is 260 kg;
  • The unit is 2.14 m long., the width is 90 cm and the height is 117 cm.

There are also more oversized models on sale, equipped with a more powerful motor and clutch. They allow you to work large areas of land in a very short time. Along with this, manufacturers produce weaker designs, which are mainly designed for treatment of small household plots.

The device

Such homemade in the countryside, as a mini-tractor, are characterized by a fairly simple constructive device, which gives certain advantages to the person who will carry out the assembly process. For a skilled owner it will not be difficult to assemble a homemade tractor with their own hands in the home.

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Due to the fact that homemade units are made in the image and likeness of their store “brothers”, their design will be largely similar.

Conventionally, you can divide the homemade mini-tractor into several working nodes:

  • Frame construction. This is probably the most important part of the mini-tractor, because the strength of the frame will determine the stability and performance of the entire machine.
  • Gearbox. This device can be taken from old Soviet cars, which are quite suitable for these purposes.
  • Gearbox.
  • Wheelbase. For this purpose, you can use the wheels of the old technique, like domestic cars.
  • Power train. In the self-made mini tractor, you can use a single-axle tractor as the main driving force. Consequently, and the engine will be used the same as on the motoblock, but this is not a strict recommendation (see how to make a tractor from a motoblock with your own hands).
  • For these purposes you can use another motor, preferably running on diesel, with a decent output (not less than 9 liters).с.).
  • Steering.
  • Other parts. This includes the clutch, the driver’s seat, etc.д.

As we can see, most of the components will be borrowed from the old, outdated, technique, so the cost of production is minimal. The only thing, you will have to work a little with welding the frame and adjusting the controls, but for a rural handyman this is a familiar thing, not causing too many problems.

How to upgrade a homemade single axle tractor?

The Arkhipov single axle tractor is multifunctional. It can be used as a plough or as a cultivator. For this purpose, it is enough to replace the removable parts for the plow with parts with removed mouldboards for the cultivator. The single-axle tractor plows furrows in the ground and places the potatoes in the furrows as it proceeds. To plow the tubers you just need to set the mouldboards in place and pass the machine between the planted rows.

The same principle can be used for hoeing sprouted plants. To learn more about how to design a power tiller yourself, see the following material:

The agricultural machine is also handy during harvesting. Using different moldboards, the working width can be varied. The machine is also good for the fact that it is able to collect skipped potatoes and the remaining haulm of plants after harvesting. For this purpose, it can be equipped with a rake or a harrow.

The versatile design can be used not only for agricultural work. In the winter time it is successfully used for snow removal. The faithful helper will come in handy for cleaning the paths in the yard. By installing a roller with a round brush and an additional sprocket on a single axle tractor, the owner makes his work of clearing sidewalks easier.

Made myself a rover from a power tiller with my own hands

So everything in order. There is a farmmotoblok “Neva”, I decided to borrow his engine and gearbox, install it on a home-made.

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READ How to set up a single axle tractor for plowing

I welded a frame from pipes, installed engine, gearbox, 4-speed gearbox from a “Zhiguli”.

I took the steering rack from VAZ. Made homemade levers for suspension, put shock absorbers.

All-terrain vehicle has full 4×4 drive, which is very important. The torque is transmitted from the engine to the gearbox, and then to the gearbox and chain drive to the front and rear shaft.

Clutch is belt pulley, small pulley on motor shaft, big pulley on gearbox shaft. Installed two belts and a pressure roller.

The wheels are homemade, made from automobile rims, and the inner tube is from a tractor wagon.

Front and rear drive. without differential. Axle with sprocket is mounted on bearings, where chain from gearbox is running. The brakes are made from a motorcycle rear drum.

From gearbox to gearbox, is a chain drive.

As can be seen in the photo, there is a belt clutch, belt tension is adjusted by a pressure roller.

Additionally installed a generator and headlights.

All-terrain vehicle front axle, assembled from chassis from “nine”, shortened axles welded into one shaft, and regular hubs for wheel mounting.

The speed of the cross-country vehicle is about 20 km / h, but it’s enough. The car can drive on deep snow up to half a meter deep.

The first and second gears are for off-road driving, and the third and fourth if driving straight ahead.

As time went by, I bought the “Champion G390HK-II 13 hp engine”. The new engine pulls better.

I made another trailer for passengers. Here’s a cross-country vehicle out of a power tiller, we ride it mostly in the winter and off-season.

How to install working components on the all-terrain vehicle

For tractor transmission it is desirable to get PTO, clutch and gearbox from a domestic truck GAZ-53. In order to connect these units to the motor, I will have to upgrade them. For example, to dock the clutch with the engine I have to make a new basket. It should be the right size and mounts. The back of the flywheel is shortened on a lathe, plus a new hole is drilled in the center.

The front axle is simply repositioned from other machines. It makes no sense to change its design. But the rear axle also needs some modernization. This assembly is similar to the one removed from the other vehicle, but the half-axle is shortened before installation. Fix the rear axle to the frame with four stirrups.

The choice of wheel size depends on what kind of work the tractor will do. To prevent the machine from digging into the ground, it is optimal to install wheels with a radius of at least 14 inches on the front axle. In general, if you need the tractor only for transportation of goods, then wheels with a radius of 13 to 16 inches are good. For extensive agricultural work, it is desirable to choose a wheel with a large radius. from 18 to 24 inches.

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The hydraulic cylinders of the control system can not be made by yourself. They can only be removed from old decommissioned vehicles. To maintain the working pressure and oil circulation, a gear pump is installed. In a breaker tractor, it is desirable that the gearbox is connected to the wheels of the main shaft and drives them.

single, axle, tractor, their, hands, design

The driver’s seat can be adapted from a passenger car. The seat is soft, comfortable, plus there’s a mechanism to adjust the backrest tilt. The steering height is made convenient for the operator. The driver does not have to cling to it with his knees.

In ploughing, assembled from old spare parts, the breaker should give out about 2 thousand. turnovers. The minimum speed is 3 km/h. These parameters are achieved by adjusting the transmission.

In such a tractor design, it is good to install a separate gearbox and a four-section hydraulic valve for each drive wheel. Then there is no need in installation of a cardan and a rear axle differential.

The video shows a variant of the 4×4 breaker:

The homemade tractor is easy to maintain, as the owner knows what and where he installed. The machine is loaded only after the full test run.

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Is it worth making a homemade single-axle tractor with a ZID engine

Many experts have noted that a single-axle tractor based on the ZID engine (ZID factory) is the best way to start a tractor. Degtyarev, g. Kovrov) can become a very good option for any farmer. The reason? Let’s consider the features of the ZID 4 engine for a power tiller.

The gearbox shaft, which the engine is equipped with, has a speed range of 333 min-1 to 687 min-1. Fuel consumption reaches 1.5 l/h. The ignition system is powered by a flywheel magneto. Start the engine ZID 4 for power tillers can be started with a cord or starting handle. Although there is no automatic start, this engine is one of the best for modern power tillers.

ZID-5 engine for power tillers is an improved version of ZID-4, ideal for agricultural work on small plots. The ideal technical characteristics of the ZID-5 engine for power tillers have made it a popular power unit.

How to make a homemade dozer blade on a single axle tractor

A single-axle tractor can serve as a bulldozer for leveling the ground, cleaning sidewalks or roads from dirt and snow. To make a self-made mouldboard for a single-axle tractor, as a rule, a sheet metal 1-2 mm thick is used. Inside the moldboard is welded four steel ribs (stiffeners) of 3-4 mm thick sheet.

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