How to Make Your Own Concrete Mixer

  • Ella Jubaedah
  • Jan 17, 2023
How to Make Your Own Concrete Mixer

Tools and materials needed for building a DIY concrete mixer

Building your own concrete mixer can be a rewarding experience, not to mention a cost-effective way of getting the job done. But before you start your project, you need to equip yourself with the necessary tools and materials. Here’s a breakdown of the things you’ll need:


The following tools will be required to build a DIY concrete mixer:

Welding machine

A welding machine is necessary to join the metal parts of the concrete mixer together. Depending on the type of welding machine, you may need to have some knowledge of basic welding techniques to use it effectively.

Circular saw

A circular saw is used to cut metal and wood parts of the mixer to size. A high-quality circular saw can make your work easier and more efficient.

Angle grinder

The angle grinder is used to remove rust, debris, and rough edges from the metal parts before welding. With a polishing disc, it can also be used to create a smoother surface on welded parts.

Electric drill

The electric drill is needed to create openings for bolts, screws, and other fixings. It can also be used to drill through metal or other hard materials.

Tape measure

A tape measure will help you take accurate measurements of the mixer parts to ensure they are properly sized.

Wrench set

A set of wrenches will come in handy when you need to tighten bolts and nuts used in the mixer’s components.

Other tools

You may also need other tools such as a hammer, pliers, and a file to complete your DIY concrete mixer.


Aside from tools, you’ll also need various materials to build a concrete mixer. Here are the necessary materials:

Steel pipe

You’ll need steel pipes to make the frame of the mixer. The size of the pipes will depend on the size of the mixer you want to build.

Sheet metal

Sheet metal will be needed to make the mixing drum, which is responsible for mixing the concrete. The best thickness for sheet metal used in mixers is around 14 to 16 gauge.

Electric motor and pulley

You’ll need an electric motor to spin the mixing drum. Make sure to use a motor with enough horsepower to handle the amount of concrete you’ll be mixing. Additionally, you’ll need a pulley to transfer power from the motor to the drum.

Bolts, nuts, and screws

You’ll need a variety of bolts, nuts, and screws for fixing together the mixer’s parts. Make sure to choose high-quality fasteners to ensure that your mixer stays securely fastened.

Other materials

Other materials you’ll need include bearings, gearbox, belt, and couplings to connect the mixing drum to the motor.

Having the right tools and materials at your disposal is essential for building your own DIY concrete mixer. Make sure to get high-quality materials, and tools, and keep safety in mind while using them to avoid injuries.

Step-by-step instructions for constructing your own concrete mixer

If you are planning to take on a concrete project, one tool that you will need is a concrete mixer. Although there are many readymade concrete mixers available in the market, constructing your own can save you a lot of money. Also, you can design it to cater to your specific needs. Follow these step-by-step instructions to build your own concrete mixer.

1. Choose the Type of Mixer

The first step to building a concrete mixer is choosing the type. There are two main types of concrete mixers: batch mixers and continuous mixers. Batch mixers are suitable for small projects while continuous mixers are ideal for large scale constructions. Choose the type of mixer that suits your needs.

2. Gather the Materials

The next step is to gather the necessary materials. Although the materials required may vary depending on the type of mixer you choose, some of the standard materials you will need include:

– Wheels

– Steel tubing

– 6.5 horsepower gasoline engine

– Belt-pulley

– 55-gallon drum

– Metal braces

– Metal screening

– Screws and bolts

– Concrete mixer attachment

Ensure that you get high-quality materials to build a durable and functional mixer. You can purchase the materials from a hardware store or an online supplier.

3. Construct the Mixer Frame

Once you have all the materials, the next step is to construct the mixer frame. Although you can design your frame, it should be sturdy and balanced. Use the steel tubing to create a square structure that can support the drum. Ensure that the structure is level before proceeding to the next step. You can use a spirit level to check the balance.

4. Attach the Engine and Belt-pulley

Once the frame is ready, attach the engine and belt-pulley. The belt-pulley is essential as it transfers power from the engine to the mixer. Ensure that the pulley is aligned with the engine shaft and the drum’s shaft. Secure the engine and pulley with bolts and screws.

5. Attach the Drum to the Frame

The next step is to attach the mixer drum to the frame. Use metal braces to support the drum. Ensure that the drum is level and can rotate comfortably without touching the frame. Use metal screening to cover the opening of the drum to prevent cement from splashing out when mixing. You can also add a safety sensor that automatically stops the mixer when the drum is open.

6. Attach the Wheels

After attaching the drum, the next step is to attach the wheels. The wheels make it easier to move the mixer from one location to another. Attach the wheels to the frame using bolts and screws. Ensure that the wheels are balanced, and the mixer does not tip over when in motion.

7. Attach the Concrete Mixer Attachment

Now that you have assembled the mixer, the final step is to attach the concrete mixer attachment. This attachment is essential as it helps mix the cement evenly. Use bolts and screws to attach the attachment to the drum shaft. Ensure that the attachment is aligned with the drum opening.

In conclusion, constructing a concrete mixer is a simple DIY project that can save you a lot of money. However, ensure that you follow the above steps carefully to ensure that you get a durable and functional mixer. If you are not confident in building one, consider hiring a professional to do it for you.

Tips and tricks for operating and maintaining a homemade concrete mixer

When it comes to making your own concrete mixer, you need to ensure that you know how to operate and maintain it properly. Not only will this ensure that you get the best possible results from your mixer, but it will also help to prolong its lifespan and save you money in the long run. Below are some tips and tricks that you should keep in mind when operating and maintaining your homemade concrete mixer:

1. Use the right amount of concrete and water

When making concrete, it’s important to get the right balance of ingredients. Using too much water can cause the mixture to become weak and easily crack, while not enough water will make it too thick and difficult to spread. Similarly, using too little concrete will make your mixture weak, while using too much will make it difficult to work with. Be sure to measure out your ingredients carefully and follow your recipe closely.

2. Keep the blades clean

The blades of your concrete mixer can become caked with cement over time, which can make it difficult for them to move smoothly and effectively. As such, it’s important to clean them after every use to prevent this build-up. To do so, simply remove the blades from the mixer, and wash them down with a hose or pressure washer. Once they’re clean, be sure to dry them off completely before re-inserting them into the mixer.

3. Check the oil regularly

Just like any other piece of machinery, your homemade concrete mixer requires regular oiling to ensure it keeps running smoothly. Be sure to check the oil levels before each use, and top it up if necessary. You should also have your mixer serviced annually to ensure that all of the moving parts are properly lubricated.

If you don’t have any experience changing oil or the necessary skills. Ask a professional to help you. Alternatively, you can find lots of helpful videos on YouTube that will show you how to do it yourself.

4. Store your mixer properly

When you’re not using your concrete mixer, it’s important to store it properly to prevent damage. This means keeping it out of the elements and in a dry, secure location. You should also cover it with a tarp or other protective covering to prevent rust and other forms of damage.

5. Don’t overload your mixer

While it might be tempting to mix larger batches of concrete at once, doing so can put a strain on your machine and cause it to malfunction. For best results, stick to smaller batches, and be sure to keep an eye on your mixer while it’s running.


A homemade concrete mixer can be a great investment, allowing you to save money and create your own custom mixes. However, it’s important to take the time to operate and maintain it correctly to ensure that it lasts as long as possible. By following the tips and tricks outlined above, you should be able to get the best possible results from your mixer, and ensure that it stays in good working order for years to come.

Variations and modifications to customize your DIY concrete mixer

One of the great things about creating your own concrete mixer is the flexibility it allows for customization. From the size and shape of the drum to the power and drive options, there are many variations and modifications you can make to your DIY concrete mixer to suit your specific needs and preferences.

Drum Variations

The most common variation for a DIY concrete mixer is in the size and shape of the drum. You can adjust the size of the drum to match the amount of concrete you need to mix. Some DIYers prefer a larger drum to save time and effort, while others may opt for a smaller drum to make the mixer more portable and maneuverable. You can also choose the shape of the drum, whether it’s cylindrical, square, or rectangular. This will depend on the type of mixer you want to build and what you plan on using it for.

Power Source

Another modification you may want to consider is the power source for your mixer. Many DIYers opt for a gasoline engine, although electric motors are also a popular choice. The type of power source you choose will depend on the size and location of your mixer and whether you want a portable or stationary mixer. If you opt for an electric motor, you’ll need a source of reliable power, and if you choose a gas engine, you’ll need to ensure it’s properly ventilated and exhaust is directed away from the work area.

Drive Modifications

You may also want to consider customizing the drive system for your concrete mixer. Belt and pulley systems are a common option for DIYers, while others may prefer a direct-drive system. You can choose between a manual or automatic transmission, or a pneumatic or hydraulic system. The drive system will play a significant role in the performance and efficiency of your mixer, so it’s essential to choose the right one based on your needs.

Mixing Paddle Variations

The final customization you may want to consider is the type of mixing paddle or agitator used in your mixer. There are different types of agitators, such as a spiral or a blade, each suited for a particular type of application. You can also experiment with different materials for the agitator, including plastic, metal, or rubber, to achieve the desired mixing results.

Customizing your DIY concrete mixer is an excellent way to tailor it to your specific needs and preferences. By making modifications, you can optimize the mixer’s performance, increase productivity, and save time and energy. Whether you’re building a mixer to use on a job site or in your backyard, experimenting with the various customization options available will surely result in a unique and efficient mixer.

Cost Comparison of Building Your Own Concrete Mixer Versus Buying a Pre-Made One

Concrete mixers are an essential tool for many construction projects. They are used for mixing and delivering concrete to various locations on construction sites. They come in different sizes, designs, and prices, making it challenging to choose the right one for your project. One option you may consider is building your own concrete mixer. It may seem like a daunting task, but with the right tools and guidance, you can create a mixer that will be just as good as any pre-made one. Here, we’ll go over the costs of building versus buying a concrete mixer.

The cost of building a concrete mixer

The first thing you need to do when building your concrete mixer is to gather all the necessary materials. This may include things like steel, pipes, bearings, and an electric motor. You may also need to purchase or rent some tools to get the job done, such as a welder or a drill. The cost of materials and tools will vary depending on their quality and where you purchase them. However, you can expect to spend between $500 to $1,500 on building a concrete mixer.

The cost of buying a pre-made concrete mixer

The cost of a pre-made concrete mixer will depend on the size and quality you want. You can expect to pay anywhere from $300 to $2,000 for a basic model. However, if you want a high-end mixer with more features, you may have to spend over $5,000.

Advantages of building your own concrete mixer

Building your concrete mixer comes with several benefits that may make the investment worthwhile. Firstly, you have more control over the design and functionality of the mixer. This allows you to tweak the design to fit your specific needs better. You can customize the size, motor, and other features to match the size and type of project you are working on. Secondly, building a mixer can be a fun and rewarding experience. You get to work with your hands and create something from scratch. Lastly, building your mixer can save you money in the long run. Once you purchase the materials and tools, you can use them to build several mixers in the future.

Advantages of buying a pre-made concrete mixer

Buying a pre-made concrete mixer is the easier and quicker option. You don’t have to go through the trouble of finding the materials, tools, and resources to build the mixer. You can simply order one online or visit your local hardware store and purchase one off the shelf. Pre-made mixers are also tested and tried, meaning you are guaranteed of their quality and performance. Lastly, pre-made mixers come with warranties and customer support, which can come in handy if you encounter any problems during usage.

Factors to consider when deciding to build or buy

When deciding whether to build or buy a concrete mixer, there are several factors you may need to consider. These include:

  1. The size of your project – If you’re working on a small project, a pre-made mixer might be more convenient. Conversely, if you’re working on a large project, a custom mixer that matches your needs may be more cost-effective.
  2. Budget – Building your mixer may save you money in the long run, but if you’re on a tight budget, a pre-made mixer may be the better option.
  3. Timeline – If you’re working on a project with tight deadlines, purchasing a pre-made mixer might be more viable because it is faster to purchase than build.
  4. Experience and knowledge – Building a concrete mixer requires some level of technical expertise. If you’ve never built anything before, buying a pre-made mixer might be the better option to avoid costly mistakes.


In conclusion, the decision to build or buy a concrete mixer depends on several factors. Building your mixer may be more cost-effective and customizable, but it also requires some technical expertise and time investment. On the other hand, buying a pre-made mixer is more straightforward, faster, and offers warranties and customer support. Whatever decision you make, ensure it aligns with your budget, timeline, and project needs.

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