Installing Hydraulics on Your RC Car: A Step-by-Step Guide

Installing Hydraulics on Your RC Car: A Step-by-Step Guide

RC cars are a lot of fun to play with, but if you are looking for a way to make your RC car stand out from the rest, you may want to consider adding hydraulics. By doing so, you can give your car an impressive show of pumping, jumping, and bouncing. Although it may sound complicated, the process of putting hydraulics on an RC car is not impossible. But it requires patience, a basic understanding of electronic circuits, and a range of essential components. In this article, we’ll guide you through the process of installing hydraulics on your RC car. From selecting the right parts to assembling them together, we’ll cover everything you need to know to make your RC car move like no other. So, if you are up for a challenge and ready to impress your friends with an extraordinary RC car, let’s get started.

What You Need to Get Started

Before you start building your hydraulic RC car, you need to gather all the necessary supplies. The following are the essential components you will need for putting hydraulics on your RC car:

  • Hydraulic pump: This is the primary component that will make your RC car’s hydraulic system function.
  • Servo: This motor will provide precise control over the hydraulic pump.
  • Hydraulic oil: This type of oil is crucial for system lubrication.
  • Hydraulic hoses: These tubes will transport the oil throughout the system.
  • Battery pack: This will provide the power to run the system.

While all of these components can be sourced from different suppliers, you can also buy RC hydraulic car conversion kits that include all of the components you need for the installation process. Popular brands are RC4WD, Gmade, Tamiya, and RC-Lighthouse. These kits can save you time and ensure that all of the parts are compatible with each other.

Can you convert any car to electric?

No, you cannot convert any car to electric. The feasibility of an electric conversion depends on several factors such as the car model, age, weight, and compatibility with electric components. Some cars may also require extensive modifications to the chassis, suspension, and drivetrain, making the conversion expensive and time-consuming. It’s best to consult with a qualified electric vehicle conversion specialist to assess the viability of converting your car to electric.

If you’re looking for a ready-made electric car solution, you can visit websites like Tesla, Nissan, or Chevrolet, which offer a range of electric vehicles.

The Different Types of Hydraulic Systems

There are different types of hydraulic systems that can be installed on your RC car, each with its own advantages and disadvantages. It’s important to analyze your needs and goals to select the system that’s best for you. Here are the most common types of hydraulic systems for RC cars:

Type of System Description Pros Cons
Single-Acting System Uses hydraulic fluid to move a single piston in one direction. – Effective for simple functions
– It’s less expensive and easier to install
– Limited functionality
– Less precise than other types of systems
Double-Acting System Uses hydraulic fluid to move a piston back and forth. – Excellent for complex functions
– Greater precision and control
– Best for more experienced users
– More complex to install
– More expensive than single-acting systems
Load-Sensing System Uses sensors to detect the load on a hydraulic system. – Reduces energy consumption
– Runs quieter and smoother
– More expensive than other systems
– Requires more maintenance

While a single-acting system may be adequate for simple functions, a double-acting system is generally better suited for more complex movements. If you want to reduce energy consumption and have a smoother operating system, a load-sensing system is the right choice for you. Keep in mind that more advanced systems can be more expensive and harder to install. It’s important to select the one that suits your needs and expertise.

What are the different types of hydraulic drive systems?

There are three main types of hydraulic drive systems:

  • Fixed Displacement – pumps a consistent amount of fluid per revolution, used for constant speed applications
  • Variable Displacement – adjusts the amount of fluid pumped per revolution, used for varying speed applications
  • Pressure-Compensated – maintains a consistent output pressure despite changes in fluid flow, used for precision control applications

If you are looking for products related to hydraulic drive systems, websites such as Hydraulic Online and Hydraulics Direct offer a range of options to choose from.

Essential Supplies and Tools

To install a hydraulic system on your RC car, you’ll need certain supplies and tools. Here’s a list of everything you’ll need before you get started:


  • Hydraulic pump
  • Servo
  • Hydraulic oil
  • Hydraulic hoses
  • Hydraulic valve
  • Battery pack
  • Various screws and connectors


  • Screwdrivers
  • Wrenches
  • Soldering iron and solder
  • Wire strippers
  • Heat gun
  • Drill

While most of these supplies can be found at your local hardware store, you could also look for online retailers specializing in RC car parts and accessories, such as HobbyTron, RC Planet, or Tower Hobbies. Don’t forget to check reviews to ensure that you’re buying from trusted sources.

How to build a hydraulic system?

Building a hydraulic system can be a complex process, but here are the basic steps to get started:

  1. Identify the purpose and specification of the system you need to build.
  2. Acquire the necessary components such as a hydraulic pump, motor, valves, hoses, fittings etc.
  3. Assemble the components in the correct order and connect them with hoses or tubing.
  4. Fill the system with hydraulic fluid and bleed the air out of it.
  5. Test the system for leaks and proper operation.

There are many resources available online or in books that can provide more detailed instructions and diagrams for building a hydraulic system. Some websites like Parker Hannifin offer a wide range of hydraulic system components and information to help you get started.

Steps to Install Hydraulics on Your RC Car

Now that you have all the necessary supplies and tools, let’s take a look at the step-by-step process of installing hydraulics on your RC car.

Step 1: Planning

  • Figure out where you want to install the hydraulic system under your RC car’s body.
  • Decide on the placement of the hydraulic pump, the servo, the battery pack, and the hydraulic valve.

Step 2: Assemble the Hydraulic Pump and Servo

  • Attach the servo to the hydraulic pump using screws and connectors.
  • Strip the wires of the servo and solder them to the battery pack.

Step 3: Install the Hydraulic System

  • Connect the hydraulic hoses to the hydraulic pump and servo, making sure to use clamps to prevent leaks.
  • Insert the hydraulic valve into the system.

Step 4: Connect the System to the RC Car’s Electrical System

  • Identify the RC car’s electrical system and locate the positive and negative wires.
  • Solder wires from the hydraulic system to the positive and negative wires of the RC car’s electrical system.

Step 5: Testing and Troubleshooting

  • Turn on your RC car and test the hydraulic system for proper functioning.
  • If there are any leaks or damage, identify the problem and troubleshoot accordingly.

Remember to handle all hydraulic components with care and always double-check all connections before powering on your RC car. Happy building!

How much does it cost to put hydraulics on a car?

The cost of putting hydraulics on a car can vary depending on the complexity of the system and the type of car. Here are the average costs:

  • Basic hydraulic kit: $1,500 to $3,500
  • Advanced hydraulic kit: $4,000 to $8,000
  • Custom hydraulic kit: $10,000 to $15,000+

It’s important to note that these costs do not include installation fees, which can range from $1,000 to $2,000. It’s also recommended to have a professional install the hydraulics to ensure they are safe and properly functioning.

If you’re interested in purchasing a hydraulic kit, check out companies like KIK Hydraulics or Street Machinery.

Tools Required for Installing Hydraulics on Your RC Car

Apart from the necessary materials for installing hydraulics on your RC car, you will also need specific tools to make the job easier. Here are the essential tools for installing hydraulics on your RC car:

Hex Screwdrivers

It’s essential to have a set of Hex screwdrivers to assemble the hydraulic pumps and servo. A high-quality set is recommended to prevent stripping the screws.

Soldering Iron and Solder

You’ll need a soldering iron and solder to connect the wires from the servo to the battery pack and the hydraulic system to the RC car’s electrical system.

Wire Cutters and Strippers

To connect the wires between the hydraulic system and the RC car’s electrical system, you’ll need wire cutters and strippers to remove insulation from the ends of wires.


You may need clamps to securely attach the hydraulic hoses to the hydraulic pump and servo.


Having a multimeter allows you to test the hydraulic system’s electrical connections to ensure they are properly functioning.

Make sure you have all the necessary tools before starting the installation process. You can find all the tools and supplies you need online or at your local RC car hobby store.

What Tools Do I Need to Build a RC Car?

Building an RC car requires a few tools to complete the task. Here are some essential tools that you will need to build an RC car:

  • Screwdrivers
  • Wrenches
  • Pliers
  • Cutting tools such as scissors, hobby knife or wire stripper
  • Soldering tools if your kit requires it
  • Measuring tools such as a ruler or caliper
  • Adhesive such as glue, double-sided tape or sticky putty
  • Battery charger for powering up your RC car

Some websites that offer RC car building kits and tools include:

Remember to always read the manufacturer’s instructions before building an RC car to ensure that you have all the necessary tools and to guarantee the safety and performance of your car.


Adding hydraulics to your RC car may seem like a daunting task, but with the right materials and tools, it can be done. By following the steps outlined in this article, you can upgrade your RC car’s performance and impress your friends with its unique abilities.

Remember that installing hydraulics on your RC car requires patience, knowledge, and attention to detail. Before starting the installation process, make sure that you have all the necessary materials and tools. Take the time to properly assemble the components and connect them to the RC car’s electrical system.

If you need any additional assistance, there are many online resources and communities that are happy to offer help and advice. Don’t be afraid to reach out to fellow enthusiasts or online forums for guidance.

In conclusion, putting hydraulics on your RC car may require some effort, but the results are well worth it. With the right steps and a little bit of patience, you can create a unique and impressive RC car that will turn heads and provide hours of fun.