Hydraulic Oil Lubricant Manufacturer
Hydraulic Oil Lubricant

Hydraulic Oil

Hydraulic Oils Manufacturer

Hydraulic Oil – Definition, Types, Uses, Benefits, How to use?, Where to use?

In the world of machinery and engineering, India is going to be a manufacturing hub for the world. Hydraulic oil plays a crucial role in powering and lubricating a wide array of equipment, from heavy-duty industrial machinery to heavy-duty vehicles. But the question is, what exactly is hydraulic oil, and how does it work? 

In this complete guide about hydraulic oil, we’ll learn about the definition, types, uses, benefits, how to use it, and common questions around the internet related to hydraulic oils.

Definition of Hydraulic Oil:

Hydraulic oil, also known as hydraulic fluid, is a specially formulated oil-based fluid used as a medium for lubricating the parts of hydraulic machinery. It is designed to transmit power while also protecting the hydraulic components of heavy machines and vehicles from corrosion.

Types of Hydraulic Oil:

  1. Mineral based Hydraulic Oil: This oil is derived from refined crude oil, mineral-based hydraulic oil is the most commonly used type. It offers good lubricating properties and is cost-effective to use.
  2. Synthetic Hydraulic Oil: Made from synthetic base stocks, this type of hydraulic oil offers superior performance in extreme temperatures and harsh operating conditions. It provides enhanced oxidation resistance and longer service life to the machine & heavy-duty vehicles.
  3. Biodegradable Hydraulic Oil: Environmentally friendly hydraulic oil, formulated from renewable sources, offers biodegradability without compromising performance. It is ideal for applications where environmental concerns are paramount. Rather it is costlier than the other hydraulic oil mentioned above.

Uses of Hydraulic Oil:

Hydraulic oil is used in various industries including:

  • Powering hydraulic machinery and equipment such as excavators, cranes, bulldozers, forklifts etc.
  • Operating hydraulic brakes in vehicles and aircraft.
  • Lubricating the movement of hydraulic cylinders in construction, manufacturing, and agriculture so that they can run flawlessly.
  • Ensure smooth operation of hydraulic presses, lifts, jacks etc.
  • It can control the movement of hydraulic actuators in robotics and automation which is widely used in automation robotics in the manufacturing sector.

Benefits of Hydraulic Oil:

  • Efficient Power Transmission: Hydraulic oil efficiently transfers power, allowing machinery to perform heavy tasks such as holding heavy weight.
  • Lubrication and Protection: Hydraulic oil lubricates the moving parts of the hydraulic parts of machines, reduces friction and protects against rusting.
  • Temperature Stability: Some hydraulic oils offer excellent thermal stability, maintaining consistent performance across all weather temperatures either in very cold of heat.
  • Seal Compatibility: Hydraulic oil also helps seal various materials used in hydraulic systems, and takes care of leak-free operation.
  • Extended Equipment Life: Regular maintenance with high-quality hydraulic oil can give a long life to hydraulic equipment, reducing repair costs.

How to Use Hydraulic Oil:

Use hydraulic oil effectively to strengthen your hydraulic systems & vehicles by following these steps:

  1. Check Compatibility: Ensure that the hydraulic oil which you are using is compatible with your equipment and also meets the required specifications in your use case.
  2. Drain and Clean: Make sure that before putting in a new oil it should be drained first the existing hydraulic oil from the equipment and clean the parts and components neatly to remove any heavy metals etc.
  3. Fill the Reservoir: Fill the hydraulic reservoir with the appropriate amount of hydraulic oil, while taking care not to overfill.
  4. Bleed Air: Bleed any air trapped in the system by operating the hydraulic controls or using bleed valves.
  5. Check for Leaks: Check the system if it leaks or not before putting it back into operation.

Where to Use Hydraulic Oil:

Hydraulic oil is used in various conditions & applications, including:

  • Industrial types of machinery and equipment
  • Construction and mining machinery
  • Agricultural equipment.
  • Automotive vehicles
  • Aerospace and aviation systems
  • Marine vessels equipment

Common Questions About Hydraulic Oil:

What is the lifespan of hydraulic oil?

The lifespan of hydraulic oil depends on factors such as operating conditions, quality of oil, contamination levels, and maintenance practices. Generally, it is recommended to change hydraulic oil every 900 to 35,00 hours of operation.

Can I mix different types of hydraulic oil?

It is not advisable to mix different types of hydraulic oil unless specified by the manufacturer. Mixing oils with different formulations can compromise performance and cause damage to hydraulic components.


Hydraulic oil serves as the life in hydraulic systems & vehicles enabling the efficient transmission of power and ensuring smooth operation in various hydraulic systems.

Understanding its properties, types, use cases, and maintenance requirements is essential for maximizing equipment performance. Now you have all the information regarding hydraulic oil. We have learned about following proper procedures for selection, usage, and maintenance, you can now take the full potential of hydraulic oil and achieve the best results.

Auto Pickup is the leading Lubricant Oils Manufacturing company in India. We manufacture Engine Oil, Two Wheeler Engine Oil, Bike Engine Oils, Car Engine Oil, Transmission Oil and all the types of lubricant oils.