homemade roll baler with your own hands: drawings and price 2026 – Manufacturer 

Do-it-yourself homemade round baler: real economics and technical risks in 2026

In our engineering consulting practice, we regularly encounter requests from farmers who are looking for a way to reduce the capital costs of forage production. Key queryhomemade round baler with your own handsreflects a desire for independence from dealer markups, but hides serious technical challenges. In 2026, the cost of new European-made machines has reached levels at which the payback period stretches over 5-7 years, which makes the idea of ​​self-production attractive. However, creating a functional unit requires not just a welding machine, but a deep understanding of the mechanics of pressing processes, the kinematics of components and the properties of materials.

We have seen dozens of projects where enthusiasm was dashed by physics. One of our clients spent more than 800,000 rubles on materials and three months of work to end up with a machine that formed loose rolls that fell apart during transportation. The reason was not a lack of effort, but an incorrect calculation of the pressure in the chamber and the choice of hydraulics. This article isn't just a bunch of drawings, it's an analysis of how to do it right, based on real production data and errors we helped correct. If you are ready to approach the issue with engineering precision, and not as a garage hobby, this material will save you time, money and nerves.

Why DIY is becoming a trend in 2026

The agricultural machinery market in Russia and the CIS countries has undergone significant changes. Logistics chains have become more complex; delivery times for spare parts for branded balers (Krone, Claas, John Deere) have increased from 2 weeks to 3-4 months. In parallel with this, the availability of high-quality hydraulics and rolled metal products on the domestic market has stabilized. Farmers have realized that equipment downtime during the harvesting campaign costs more than the initial savings on purchasing a new machine.

A homemade unit allows you to adapt the design to the specific conditions of the farm. For example, if you have small fields with difficult terrain, a factory heavy press may slip or damage the soil. Homemade work can be made easier by using a frame from a specific tractor chassis that is already in the fleet. In addition, the maintainability of such a device is absolute: you know every bolt, every hose and can replace a failed unit in hours, rather than waiting for a container from abroad.

However, it is important to understand the difference between “welding something similar” and “making a functional tool.” A baler is a high-speed mechanism that operates under high dynamic loads. An error in calculating the strength of the picker fingers or knitting machine leads not only to failure, but to potentially dangerous situations for the operator. Therefore, the approach must be systematic: from choosing a donor to testing the first roll.

Design options and choice of donor base

The first step in creatinghomemade round baler with your own hands- This is the choice of the basic design. There are two main ways: complete assembly from profile pipe and sheet metal or modernization of decommissioned factory equipment. The second way often turns out to be more rational from the point of view of the reliability of key nodes.

Option 1: Using a decommissioned baler (Donor)

On the secondary market you can find old models PR-160, PR-180 or imported cars from the 90s, which are sold as “for spare parts” or “in need of repair”. Often the problem with these machines is a worn chamber or broken shaft, but the hydraulic system, knitting unit (if mechanical) and undercarriage may be in good condition.

Benefits:

• Ready knitting machine. This is the most difficult unit to make yourself. Mechanical knitting machines require pinpoint precision in setting needles and hooks. Using a factory assembly eliminates this problem.
• Proven kinematics. The geometry of the levers and rods has already been calculated by the manufacturing engineers.
• Availability of original bearing units and chains.

Disadvantages:

• It is difficult to find a donor with a whole chamber without corrosion.
• The need to dismantle and troubleshoot all components.
• Possible incompatibility with a modern tractor based on the PTO (power take-off shaft) type.

In our practice, we recommend looking for donors of models produced after 2000, since the quality of metal and processing of parts is higher. If you choose this route, be sure to check the condition of the gearbox gears. Replacing one gear can cost more than the entire donor unit.

Option 2: Complete homemade from scratch

This path is chosen by those who want to create a machine for specific tasks or have not found a suitable donor. Here the design is divided into two types: with a constant chamber and with a variable chamber (like modern rollers). For self-production, a chamber with a constant cross-section is recommended. It is easier to manufacture, requires less hydraulics and is easier to set up.

The constant cross-section chamber is a tunnel where the bale density is adjusted by the tension of belts or chains surrounding the bale. The diameter of the roll is usually fixed (for example, 1.2 – 1.5 meters), and the length is determined by the width of the chamber (1.2 – 1.8 meters). This approach allows the use of standard agricultural belts or chains that are easy to purchase.

The key element here is the frame. It must withstand torques from the PTO and the weight of the filled bale (up to 600-800 kg). We use channel No. 10-12 or profile pipe 80x80 mm with a wall of 4-5 mm for the main load-bearing elements. Saving on frame metal is the main mistake of beginners, leading to deformation of the car’s geometry after the first season.

Technical drawings and key components: what to look for

When you are looking for information on requesthomemade round baler with your own hands, you will find many schemes. But most of them do not contain critical dimensions and tolerances. Below we provide technical requirements for the main components that will ensure the operation of your unit.

Pickup

The pick-up must effectively grab the windrow and feed it into the chamber. The working width is usually 1.8 – 2.2 meters. Main elements:

1. Rakes (fingers):Made from spring steel (for example, 65G). Rod diameter 6-8 mm. The distance between the rakes is 60-80 mm. Important: the rakes must be able to bend slightly when encountering stones or uneven soil, so as not to break.
2. Rotating reels:Usually there are two or three. They are synchronized by chain transmission. The rotation speed must be consistent with the tractor speed. At a tractor speed of 5-7 km/h, the peripheral speed of the drum should be approximately 10-15% higher in order to actively “rake” the mass.
3. Hoof runners:Adjust the lifting height of the pick-up above the ground. This prevents soil and rocks from getting into the chamber, which is critical to keeping the feed clean and the longevity of the machine.

Common mistake:Rigid fastening of rake arms. We have seen cases where, when hitting a bump, the entire row of rakes was uprooted. Use rubber dampers or spring stops.

Bale chamber and compaction system

For a constant-section roll press, the chamber is formed by two endless belts (or chains) stretched between shafts.

Tension force calculation:
To obtain a dense bale (density 150-180 kg/m³ for hay), it is necessary to ensure pressure on the mass. In homemade designs, this is achieved by hydraulic cylinders that press on the belt tension rollers.
Required force per cylinder: 2-3 tons.
Working pressure in the hydraulic system: 160-200 bar.
Cylinder diameter: minimum 50-63 mm.

If you use chains instead of belts, make sure they are agricultural type (long pitch and mud guard). The chains must cover the bale at least 240 degrees. The shafts on which the belts/chains are tensioned must have a diameter of at least 150 mm to avoid excessive bending and material fatigue.

Knitting machine: the heart of the machine

This is the most difficult knot. If you don't use a donor knitting machine, you will have to make your own. There are two types: mechanical (with needles and hooks) and hydraulic (with mesh or twine wrapped through a PTO drive).

For a homemade machine, we highly recommend usingmeshinstead of twine. The mechanism of net knitting is simpler: it does not require complex knot tying, but simply winds the material around the roll. The drive is carried out from the PTO through a gearbox and friction clutch.

If you do decide to use twine, you will need a mechanism with two needles that pass through the chamber and a system for catching the ends of the twine. The manufacturing precision here must be high. The slightest misalignment of the needle will lead to a break in the twine or an incomplete knitting cycle. On the Internet there are drawings of knitting machines from old PR-160 balers that can be adapted. Notice the cam shaft that controls the movement of the needles. His profile must be copied exactly.

Hydraulic system and connection to tractor

Without reliable hydraulics, yourhomemade round baler with your own handswill be just a cart. Hydraulics are responsible for lifting the pick-up, tensioning the belts/chains in the chamber and opening the rear wall to eject the bale.

Sources of hydraulic power

There are two connection options:

1. From the tractor hydraulic system:The simplest option. You are using free tractor hydraulic lines. Pros: no need to install your own pump and tank. Disadvantages: dependence on a specific tractor, busy hydraulic channels.
2. Own hydroelectric station:Installed on the press frame. Includes a pump (gear, capacity 30-40 l/min), tank (40-60 liters), distributor and filters. The pump is driven by the tractor PTO through the cardan shaft and gearbox. This option is universal and allows you to work with any tractor with a PTO.

We recommend the second option for professional use. It gives complete control over pressure and flow. Be sure to install a safety valve set at 180-200 bar to protect the system from overload when the mechanisms jam.

Hydraulic distribution diagram

A typical scheme includes:

• Pickup lift cylinder (double acting).
• Two chamber tension cylinders (single-acting, spring return or lever weight).
• Rear cover opening cylinder (double-acting).
• Hydraulic motor (if used to drive a knitting machine or conveyor, but more often the knitting machine is mechanical).

Use high-pressure hoses (HHP) with a reserve length, taking into account the mobility of the units. All connections must be protected from dirt. Dirt in hydraulics is the main cause of failure of distributors and cylinders.

Step-by-step instructions for assembly and installation

The assembly process requires strict consistency. Violation of the order may lead to the impossibility of installing some nodes.

1. Making the frame.Weld the main frame according to the drawings. Check the diagonals: the difference should not exceed 5 mm. Install the wheel axles and the wheels themselves. The wheels must be agricultural, at least 300 mm wide, so as not to get stuck in the field.
2. Camera installation.Install the camera drive and driven shafts. Check their parallelism. If the shafts are not parallel, the belts or chains will slip to the side. Install the guide rollers.
3. Installation of the pick-up.Assemble the drums with rakes. Install them on the frame. Connect the chain drive from the PTO to the pick-up. Check ease of rotation by hand. There should be no jams.
4. Hydraulic system installation.Install the pump, tank and distributor. Lay out the sleeves. Fill the system with oil. Bleed the system to remove air. Check for pressure leaks.
5. Installation of the knitting machine.Attach the knitting mechanism to the back of the camera. Connect the drive (mechanical from the PTO or hydraulic). Adjust the position of the needles or the mesh feed mechanism.
6. Setting up sensors and control.Install a density sensor (hydraulic pressure gauge with alarm or mechanical limit switch). This will allow the operator to know when the bale has reached the desired size and density.

Important warning:Before the first start, be sure to check the balancing of the rotating parts. Imbalance at high PTO speed (540 rpm) creates vibrations that damage welds and bearings.

Economic justification: price and payback in 2026

Let's calculate the real cost of the project. Prices are current as of early 2026.

For comparison: a new Chinese round baler in 2026 costs from 1.5 to 2.5 million rubles. Used European one in working condition - from 800,000 rubles. Thus, even taking into account the costs of tools and possible assistance from specialists, you save from 30% to 60% of the cost.

Payback occurs in the first season if you cultivate more than 50 hectares. The cost of services from a third-party contractor for pressing is about 1,500-2,000 rubles per hectare. Having processed 100 hectares, you will save 150,000 - 200,000 rubles only on services, not counting the quality of the feed that remains with you.

Hidden costs and risks

Don't forget about the tool. If you don't have a good welding inverter, grinder, drill press and set of wrenches, these costs need to be added. Also consider time. Assembly takes 1 to 3 months of part-time work. If you hire a welder, add another 100,000 - 150,000 rubles for the work to the estimate.

Alternative to DIY: industrial solutions from the market leader

Although the idea of creatinghomemade round baler with your own handsattractive for its savings, it is associated with enormous time costs and risks of obtaining an unstable result. For those farmers who value their time and need guaranteed baling quality from the first day of the season, there is an effective alternative - purchasing equipment from trusted manufacturers such as the Jiujia company.

Located in the National Modern Agricultural Machinery Industrial Park of Hulunbuir City, Jiujia has established itself as a leader in the intelligent production of fodder machinery since 2021. Unlike garage homemade products, Jiujia products are created on an area of ​​over 32,000 square meters using more than one hundred pieces of high-tech equipment, including CNC laser cutting and automated welding systems. This ensures geometry accuracy and knot strength, unattainable in artisanal conditions.

Particular attention is paid to their flagship models such as the 9YG-1.0 round baler and 9YCM-850 film wrap baler. These machines are designed using computer aided modeling (CAD) and have undergone rigorous testing in the company's own ISO 9001 certified laboratory. The result is that Jiujia has become China's No. 1 round baler in sales volume in 2023-2024, and its machines have been successfully exported to Russia and Mongolia, adapting to harsh climate conditions.

By choosing Jiujia equipment, you get not just hardware, but a ready-made engineering solution with a guarantee of reliability, availability of spare parts and service support, which in the long run may turn out to be more profitable than endless modification of a home-made unit.

Frequently asked questions (FAQ)

What kind of tractor is needed for a homemade baler?

For a unit with a working width of up to 2 meters and a weight of up to 1.5 tons when equipped, a tractor with a power of 80 hp or more is suitable. (MTZ-80/82, YuMZ). It is important to have a PTO with a frequency of 540 rpm. For heavier structures or work on slopes, a tractor from 100-120 hp is recommended. with a hydraulic outlet, if you do not install your own hydraulic station.

Can car belts be used instead of agricultural belts?

No. Car belts are not designed to withstand abrasive wear from hay and straw, as well as constant exposure to ultraviolet radiation and moisture. They will quickly stretch and tear. Use special flat belts with fabric cord or chains with bars. Skimping on belts will lead to downtime in the midst of cleaning.

What roll density is considered optimal?

For hay, the optimal density is 120-150 kg/m³, for straw - 100-120 kg/m³. Too high a density makes it difficult to dry inside the roll and can lead to spontaneous combustion during storage. Density that is too low increases the amount of space taken up during storage and transportation. Adjust the pressure in the hydraulic system so that the roll holds its shape but remains breathable.

Is it safe to use a homemade baler?

Safety depends on the quality of workmanship. All rotating parts (PTO, chains, shafts) must be covered with protective covers. The hydraulic system must have safety valves. Before each season, inspect welds and fasteners. Do not allow untrained personnel to operate. Homemade equipment is not certified, so all responsibility lies with the owner.

Where can I get drawings of a knitting machine?

It is difficult to find complete, working drawings of a knitting machine in the public domain. We recommend either purchasing a used unit from a decommissioned press (PR-160, PR-180, Rolba), or ordering production from a specialist who has experience working with such mechanisms. Trying to assemble it “by eye” from photographs is almost guaranteed to lead to failure.

Conclusion and recommendations of the manufacturer

Creationhomemade round baler with your own handsis a serious engineering project that can bring significant economic benefits to your farm. In 2026, as equipment prices remain high and efficiency demands increase, this approach is becoming more than just a hobby, but a smart business strategy for medium and small farmers.

The key to success is not in saving money on every bolt, but in choosing the right components. Do not skimp on hydraulics, bearings and knitting apparatus. These components determine the reliability of the entire machine. The frame and body can be made from cheaper materials, but the critical elements must be of high quality.

We recommend starting with careful planning. Create a detailed estimate, source parts in advance, and evaluate your skills. If you are in doubt about making a knitting machine, buy a ready-made knot. This will reduce risks and speed up the launch of the project.

Remember, the goal is not just to make a car, but to make a car that will perform season after season. The investment of time in design and assembly will pay off in the quality of feed and independence from service centers.

If you are looking for reliable components for your project or need advice on hydraulic diagrams,contact us today. We help farmers select the optimal solutions to modernize equipment and ensure uninterrupted operation in the field. Our experience in the supply of industrial components for the agricultural sector will allow you to avoid mistakes when purchasing materials.

For further study of the topic, we recommend that you familiarize yourself with our materials onhydraulic systems for agricultural machineryandselection of agricultural belts and chains. The correct choice of components is the key to the long service life of your homemade product.