Do-it-yourself mini tractor with an engine from a walk-behind tractor

Content

1 Which walk-behind tractors are suitable for conversion
2 General guide for reworking motoblocks
3 Alteration of the MTZ walk-behind tractor

If the farm has a walk-behind tractor, then you just have to make an effort and it will make a good mini-tractor. Such homemade allow you to acquire all-wheel drive vehicles at minimal cost. Now we will look at how you can assemble a mini-tractor from a walk-behind tractor with your own hands and what is needed for this.

Which walk-behind tractors are suitable for conversion

It should be noted right away that almost any walk-behind tractor can be converted. It would be unreasonable to use a low-power motor cultivator. After all, the tractor will turn out to be weak from it. Ready-made homemade designs have full steering, operator's seat and front wheels. To make such a transformation, you need to buy a kit for converting a walk-behind tractor into a mini-tractor or rummage through old spare parts from a car.

Centaur

From such professional motoblocks, a mini-tractor will turn out to be powerful, with great performance. The unit is equipped with a 9 hp motor. from. For alteration, you will need to weld the frame from the profile, add the front wheels and the seat.

Bison

A mini-tractor from the Zubr walk-behind tractor will turn out to be of high performance, since the equipment is equipped with a powerful diesel engine. To rework the mechanism, you will need to add hydraulics. Then the mini-tractor will be able to work with attachments. In addition to steering, you need to take care of the braking system. Front wheels can be bought or found old ones from a passenger car.

Agro

To assemble a mini-tractor from an Agro walk-behind tractor, you need to complete all the above procedures. In addition, the design requires the installation of wheel reduction gears. They are needed to strengthen the driving axle shafts. However, you can go the other way. To do this, the motor is mounted on the rear of the frame, which results in an even load distribution.

It is much more difficult to fold a mini-tractor from an MTZ walk-behind tractor, due to the design features of the equipment. But in the end, you can get a maneuverable unit on three wheels.

General guide for reworking motoblocks

Now we will look at general instructions on how to make a mini-tractor from a walk-behind tractor and what is needed for this. The manual is suitable for the brands "Centaur", "Zubr" and "Agro". Alteration of the MTZ walk-behind tractor takes place according to a different principle, and we will present the instructions for it below.

Advice! The conversion kit costs around 30 thousand rubles. It may seem expensive to some, but a person gets a full set of necessary spare parts.

Frame making

The manufacture of a mini-tractor based on a walk-behind tractor begins with the assembly of the frame. By lengthening it, it will be possible to install additional wheels, a driver's seat and steering. The frame is welded from a steel pipe, channel or corner. It does not matter what the section of the blanks will be, the main thing is that the finished structure does not deform from loads. You can take the material for the cross-sectional frame with a margin. Weighting the finished unit will only benefit, since there will be better grip.

The material selected for the frame is cut into blanks with a grinder. Further, they are welded together to form a rectangular structure. Additionally, the joints can be reinforced with a bolted connection.

Advice! Place a crossbeam in the center of the frame. It is needed to enhance rigidity. Such a frame will withstand heavy loads, which means it will last longer.

A hinge plate is attached to the finished frame. It can be located in the front and back.The device is required to work with attachments. If it is supposed to transport goods, then a towbar is still installed at the back.

Running gear manufacturing

Further alteration of the walk-behind tractor into a mini-tractor provides for the manufacture of the chassis. And you need to start with the front wheels. To do this, you need to buy or find from friends 2 hubs with brakes and fix them on a piece of steel pipe. A hole is drilled exactly in the center of the resulting axis. It is made through. Through the hole, the axle is attached to the front cross member of the frame. Further, a gearbox with a worm gear is installed on the frame. It is connected to the front axle by steering rods. When everything is done, put the steering column.

The rear axle of a mini-tractor with an engine from a walk-behind tractor is mounted on bearings pre-pressed into steel bushings. This undercarriage part is equipped with a pulley. Through it, torque will be transmitted from the engine to the axle with wheels.

Advice! On homemade mini tractor install wheels with a radius of 12-14 inches.

Installing the motor

Most often, an engine is installed on a homemade mini-tractor from a walk-behind tractor. Attachments are welded on the frame under it. This location of the motor allows you to maintain an optimal balance when working with attachments.

To transmit torque to the axle pulley and the engine, a belt is put on. It should be well tensioned, so the motor mounts are adjustable.

Important! When installing the engine, make sure that both pulleys are aligned.

Installation of additional equipment

When the assembly of a mini-tractor with your own hands with an engine from a walk-behind tractor is completed, the structures begin to give a complete look. First, the braking system is installed and must be tested. To work with attachments, hydraulics are attached to the frame. The driver's seat is bolted to the uprights. They are pre-welded to the frame.

If it is supposed to move on home-made vehicles on the road, it must be equipped with headlights, as well as side lights. The engine and other mechanisms can be covered with a cover that can be easily bent out of thin sheet steel.

When the structure is completely assembled, run-in is performed. After that, the mini-tractor is already loaded.

The video shows the converted Neva walk-behind tractor:

Alteration of the MTZ walk-behind tractor

To assemble a mini-tractor from an MTZ walk-behind tractor, you need to fix one problem. It is connected with the fact that the two-cylinder diesel engine shifts the center of gravity to the front of the frame.

You can solve the problem using the following steps:

The MTZ walk-behind tractor has a mode of operation with a mower. Here the unit must be switched to it.
Instead of a front platform, a steering and a wheel from a motorcycle are installed.
There is a niche in the upper part of the frame where the steering link is located. Here you also need to put an adjusting rod to increase the rigidity of the structure.
The operator's seat is welded to the platform through additional fasteners.
Another area for hydraulics and a battery is cut out of thick sheet steel. It is welded next to the motor.
For additional elements of the hydraulic system, fasteners are welded to the rear of the frame.
The braking system will be manual. It is installed on the front wheel.

In the end, a three-wheeled mini-tractor is obtained from an MTZ walk-behind tractor, which is convenient to operate.

That's all the secrets of homemade homemade products. Keep in mind that each brand of walk-behind tractor is different in its design, therefore, the transformation process must be approached individually.

DIY mini tractor from a walk-behind tractor