Differential and hub for a walk-behind tractor: functions, types, self-production

The differential allows you to reduce the turning radius and increase the wheel track width. Due to this, walk-behind tractors become more mobile in operation.

There is no chance that it will unexpectedly tip over when turning. The differential allows you to lock one of the wheels, due to which independent wheel movement provides smoother turns. Without the use of physical force, the turn increases to 240 degrees. Thus, due to this agricultural device, walk-behind tractors can make any turns easily and quickly at the end of the bed.

In this article we will talk in detail about how to design a differential for a walk-behind tractor with your own hands, and we will tell you about all the advantages and disadvantages of homemade products.

DIY differential for walk-behind tractor

The differential allows you to reduce the turning radius and increase the wheel track width.
Due to this, walk-behind tractors become more mobile in operation. There is no chance that it will unexpectedly tip over when turning. The differential allows you to lock one of the wheels, due to which independent wheel movement provides smoother turns. Without the use of physical force, the turn increases to 240 degrees. Thus, due to this agricultural device, walk-behind tractors can make any turns easily and quickly at the end of the bed.

In this article we will talk in detail about how to design a differential for a walk-behind tractor with your own hands, and we will tell you about all the advantages and disadvantages of homemade products.

Applications of cargo bikes

Cargo bikes mainly serve the following purposes:

• Selling various goods, such as ice cream, hot dogs or hamburgers, in areas where vehicular traffic is restricted.
• Delivery of small-sized cargo in densely populated urban areas.
• Transportation of goods and tools across factories and factories occupying a large area.
• Luggage transportation at train stations and airports.
• Transportation of goods across warehouses.
• Mail delivery.
• Transportation of children.
• Collection of waste for further disposal.

As you can see, the scope of application of cargo bikes is quite extensive and is not limited only to the above options. And if you install an electric motor on a bike, then the scope of its use becomes almost limitless.

Cargo bikes have a number of undeniable advantages. They do not pollute the air, which is very important in enclosed spaces such as a warehouse or factory. The bikes do not require fuel, are inexpensive to operate and do not make noise. However, such vehicles are not without certain disadvantages. The bicycle is driven by human muscular power, which imposes restrictions on the travel range, as well as on the weight of the cargo transported. The need to maintain balance, the demands on the rider's physical fitness and his vulnerability in city traffic make many people abandon the use of cargo bikes. However, in some situations, a cargo bike is simply irreplaceable, and many of the problems described above can be solved by using a motor.

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Simple homemade agricultural structures

How to make a differential with your own hands? The easiest way to construct a homemade differential is as follows. You need to attach a bushing that has a transverse slot to the walk-behind axle. You need to place a short axle inside the bushing, and you can secure it from falling out using bolts inserted into the “body” of the bushing through a slot. The wheel itself is fixed on the axial side.

During operation of the walk-behind tractor, the drive axle easily rotates the bushing until the reverse slotted side presses against the bolt.

When turning the wheel, the wheel, trying to “get ahead” of the drive, pushes the bolt forward along the hole. Thus, the transmission of the turning element is “broken.” The angle of easy turning of agricultural machinery depends on the slotted length. This extension mechanism is very simple. It is quite possible for a junior specialist level turner to make it. That's why these extension cords are so popular and relatively inexpensive. As a rule, they are made with a couple of holes. Due to this, the track width can vary and connect the drive axle to the wheel.

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Hello! Post-question-story for handicrafts and cat owners Pikabu.

We adopted a Bengal cat, who, due to idleness and excess energy, is already climbing onto any vertical surface. The idea came to mind to get him a running wheel. There are cool things made of solid wood that are good for everything except the price (300+ euros) and the space they take up (they are very massive). Like these ones:

Toad strangled this idea very specifically. Until an AliExpress advertisement slipped this picture.

Ironically, it was a mosaic

with this picture. Keck. But living in the country of the victorious bicycle, you immediately think: this is just a bicycle wheel and a sheet of chipboard. Why not do it yourself?

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A typical wheel on the local Avito analogue looks like this, it has a rim.

Other advice is also most welcome!

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Thank you everyone, I hope it will be useful to many!

One last photo of our cat.

Blueprints

To assemble a differential for a walk-behind tractor with your own hands, you will need drawings. Fortunately, there are a large number of diagrams and pictures on the Internet on how to make a differential for a walk-behind tractor with your own hands.

As a rule, experience shows that all homemade differentials for walk-behind tractors assembled according to drawings have a small possible angle of free wheel rotation (up to 250 degrees), since the transverse groove seriously reduces the power of such an agricultural device. Also, homemade differentials on a walk-behind tractor have greater friction force, especially if dirt gets inside the bushing. Therefore, self-made differentials for walk-behind tractors are usually used for lighter walk-behind tractor models, such as the Neva.

General recommendations

Here are some tips for farmers on how to assemble an excellent homemade differential for a walk-behind tractor:

1. The gap between the extension axle and the bushing cannot remain too small. If the corrosion process begins, they will “stick” to each other;
2. To lubricate the agricultural device without preliminary disassembly, it is a good idea to place a grease nipple on the bushing;
3. Extensions can be constructed from low carbon steel. The unit will be strong, reliable, and at the same time quite inexpensive in cost.

Need for differential

Before considering the process of self-assembly of this element, it is advisable to find out why walk-behind tractors with a power take-off shaft with a differential use it. Its main purpose is the correct adjustment of the operation of the wheels of the unit. When making a turn relative to the axis, such an element allows you to prevent slipping, and will also avoid overloading one of the sides during such maneuvers. This helps to increase the service life of the suspension, due to which it is possible to make repairs much less often.

The design of such an element may seem quite complicated, but with minimal knowledge, a drawing diagram of the product, materials and tools, the master will be able to assemble a homemade differential for a walk-behind tractor without any problems.

Rating of the top 10 best models

Types of mechanisms

There are several types of distribution mechanisms used in various models of walk-behind tractors. They differ significantly in their performance characteristics and have their own advantages and disadvantages. Most often, the unit can be equipped with the following components:

• rigid drive, which provides for uniform distribution of power across a pair of wheels, which is most often used on two-axle modifications;
• overrunning clutch, characterized by a simple design, capable of increasing the torque of 1 drive wheel through more active rotation of the axle;
• classic gear-type differential, which allows you to distribute the load between the axles when turning in inverse proportion.

The last variety, which seems to be the most effective, deserves special explanation. A walk-behind tractor with a differential lock is capable of increasing torque on one side when turning and significantly reducing it on the other, which allows you to successfully complete the maneuver.

conclusions

The differential for a walk-behind tractor is an irreplaceable component that allows you to reduce the physical stress on a person that is experienced when the vehicle enters a turn. This device is also responsible for the uniform and proportional distribution of torque on the axle, which allows you to control such a vehicle when cultivating the soil.

If the original parts do not provide the required effect, then the owner of the equipment can independently manufacture the device to suit his requirements, and then install it on the walk-behind tractor and operate the special equipment with greater comfort.

Making a differential

Motoblocks with a differential and disc clutch are in great demand among farmers, due to their many advantages. When planning to equip a product with this element or replace a damaged analogue, you can make it yourself.

You will need to decide on the type of distribution mechanism, as well as select a suitable part drawing that will be used throughout the assembly to avoid errors. It is extremely important to first adapt it to the model of walk-behind tractor used, which will ensure the correct operation of the element. Assembly will require fasteners, as well as a powerful drill.

What is needed for production

When planning to make this element yourself, you will need to make sure you have the necessary parts and tools. The main material for turning differential components is steel blanks that do not have wear, which will guarantee a long service life of the element.

When considering the tools necessary for successful assembly of the unit, it should be noted that their exact list depends on the type of device being manufactured. In most cases, a drill and cutting tools will be enough for the master, but for more complex designs a lathe may be required.

Procedure

A walk-behind tractor with a low gear and differential has many advantages over analogues that do not have similar elements, and therefore it is advisable to make them yourself. Having made sure that you have everything necessary to create a differential, you need to follow the simplest algorithm of actions:

1. Attach a bushing with a transverse slot to the walk-behind tractor axle.
2. Place the short axis inside the installed element.
3. Secure it with fasteners to prevent it from falling out.
4. Place the wheel on the axle base.

Cost of components for a three-wheeled bike

Homemade tricycle

In stores selling spare parts for bicycles, you can see a wide range of components. The price depends on the manufacturer and the material from which the tricycle is assembled. A bridge for a homemade three-wheeled vehicle costs between 20,000–30,000 rubles, the default kit includes:

• stars;
• rear derailleur and rim.

Design and purpose of a walk-behind tractor differential

The main purpose of the walk-behind tractor differential is to distribute power more evenly between the wheels of the walk-behind tractor.
The differential will be especially useful when turning. To turn a walk-behind tractor, you usually need to put in a lot of effort, especially if the equipment has lugs and attachments. The differential allows for easier turning due to faster wheel rotation. Thanks to it, the wheels rotate faster than the one that occurs only due to the axle. For different models of walk-behind tractors, differentials have their own design features and differences. For example, for light Neva walk-behind tractors, differentials with a small wheel rotation angle (240°) are used. Also, due to the transverse groove, it has little strength; strong friction of the parts is observed inside the mechanism.

Motoblocks from Salut are equipped with differentials of a more complex design. They are distinguished by greater mass and wheel rotation angle (about 330°). The extension has bearings, which reduces the effort when turning.

For Farmer brand walk-behind tractors, differentials consist of two clutches, and control is carried out using levers on the steering wheel.

How to make a differential for a walk-behind tractor with your own hands?

To avoid unnecessary financial costs, you can make a homemade differential. This process is not complicated, and the availability of freely available drawings and various materials makes the task even easier.

The manufacturing process looks like this:

• using a lathe, a part is turned according to the drawings;
• the flange is turned out and carefully welded to a part of the metal pipe;
• To make a differential, use only high-quality steel blanks, since this part is subject to high loads.

Characteristics and types of hubs for walk-behind tractors

A hub for a walk-behind tractor is needed to install pneumatic wheels or steel lugs.
Walk-behind tractor wheel hubs come in 3 main types:

• differential hub with unlocking;
• semi-differential hub (simplified version of the previous one);
• the hub is ordinary.

A differential hub for a walk-behind tractor is considered a universal part and is needed in cases where the walk-behind tractor is not equipped with a wheel unlocking system, and turning the vehicle around causes difficulties. The hub with bearings greatly facilitates control and improves maneuverability. To perform a turn, you just need to remove the lock from the lock of the required wheel.

Based on the diameter of the hub, they are classified into:

• hexagonal (24 and 32 mm);
• round.

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The seat is old, it's seen its sights. We agreed on installing gel for the driver and modifying the passenger seat.

Please do not take this post as a tutorial and blame for the lack of details, write in the comments what point is interesting, I will try to explain.

I uncovered it and immediately made the back part. The tool in the photo, secondary foam rubber was glued to a spray from a tuskbond can.

Self-production of a hub for a walk-behind tractor

As already mentioned, there are different options for the design of hubs for walk-behind tractors. To make the simplest version, you can use the following drawing:

The main thing to remember when making your own is to follow safety precautions and use high-quality materials for a longer service life of the part.

We also invite you to watch a detailed video that describes the intricacies of making a homemade hub for a walk-behind tractor:

How to make a differential for a walk-behind tractor with your own hands?

Despite the fact that the differential for the walk-behind tractor has a rather simple design, before making it yourself you will need to prepare and study the drawings. They should indicate the dimensions of the mechanism spare parts and methods of fixing them in the device.

Practice shows that every homemade differential has a small rotation angle of the wheels in the free position. As a rule, this parameter does not exceed 250 °. This disadvantage is due to the fact that the design of the mechanism includes a transverse groove, which significantly reduces the power and efficiency of the design. Another significant disadvantage is the rapid wear of the parts of a homemade differential, especially if a large amount of dirt accumulates between them. In this regard, self-made differentials should be used for exceptionally light models of walk-behind tractors.

In order for a homemade differential to be more durable and effective, you should adhere to a number of rules:

• there is no need to leave too small a groove in the space between the bushing and the extension axle. If corrosion occurs, these parts will quickly stick to each other;
• in order to timely lubricate the differential without regularly disassembling it, you need to place a pressing oiler on the mechanism bushing;
• For the manufacture of extension cords, it is best to use carbon steel. As a result, the mechanism will be more reliable and, at the same time, not expensive. The video will tell you more about making the differential.

• ordinary hub - a part of this type has a simpler design, but is less efficient in use. It only slightly improves the maneuverability of the walk-behind tractor, so every year it is in less and less demand among farmers.

Differential hubs, or semi differentials as they are also called, consist of one or a pair of bearings, as well as retainers. When using such a part, in order to turn the walk-behind tractor, it is necessary to disconnect the lock from the corresponding latch.

Depending on their diameter and shape, differential hubs for walk-behind tractors can be of the following types:

• round hub;
• sliding part;
• hexagonal hub - can have a diameter of 24 or 32 mm.

This kind of classification of semi-differentials allows the farmer to select the part that is optimally suited for installation on his walk-behind tractor and will bring maximum benefit when used.

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This time we decided to approach the issue of remodeling more thoroughly. The motorcycle itself was liked by a friend who opened the category a year ago and managed to ride the previous Stels flame 200. Actually, the friend, as a participant in the project, eventually bought the motorcycle.

We sawed off the excess and welded what we needed)

All aluminum parts were powder coated.

Including crossbars, footrests, footpeg brackets, etc.

The glove compartment opening system was implemented through a door hinge from some domestic auto industry.

I had to play around with the lock, but in the end everything clicks by hand and opens with a standard key.

The original front fender was covered in cracks and traces of repeated gluing and soldering. We decided to cut out the leftover wing from the previous project.

The headlight is a classic from IZH) I also wanted relatively inexpensive but brutal tires. SHINKO E-705, by the way, is a very good holder.

Well, at the back they installed a brake light and turn signals in the same style. We also made a bracket for the number.

The original clutch handles and brake were in a sad state. Therefore, they changed them to standard ones from Kawasaki ER-6

We decided to call ourselves something)

Well, a couple of photos of the almost completed device. In the next part I’ll tell you how we went to the exhibition as participants) Well, about the new project that we have started now.

Tips for choosing a hub for a walk-behind tractor

On the open market you can always find a large selection of hubs designed for installation on various models of walk-behind tractors.

In order not to make a mistake when choosing a part, farmers should adhere to a number of certain rules:

• when ordering a hub for a walk-behind tractor, you should indicate the class and model of the agricultural implement;
• in most cases, when selling a walk-behind tractor, one set of hubs is included in its kit. In this case, when using attachments, there is no need to rearrange the hubs. This, in particular, applies to the lugs used on the walk-behind tractor. This feature will save a lot of time when working in the garden;
• If the walk-behind tractor is equipped with pneumatic wheels, then its delivery set will necessarily include hubs.

By adhering to these simple rules, every novice farmer will be able to choose a walk-behind tractor equipped with hubs or choose the right parts, separately from the agricultural machine.