Different Types Of Oil Used In Hydraulic Cylinders

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Hydraulic cylinders are essential components in various industrial and construction applications. They convert hydraulic energy into mechanical energy, which performs tasks such as lifting, pushing, and pulling.

The operation of hydraulic cylinders relies heavily on the oil used to power them. Honingcraft has a team of experts with extensive knowledge and experience in the hydraulic industry. They can provide advice and guidance on the best hydraulic cylinder and oil for a particular application.


Hydraulic cylinders require a specific type of oil to ensure proper functioning and longevity. Different types of oils have other properties, such as viscosity, lubrication, and thermal stability, which can impact the performance and durability of hydraulic systems.

Viscosity: The oil’s viscosity is critical for hydraulic systems as it determines how easily the oil flows through the system. A hydraulic cylinder that requires a high flow rate would benefit from a low-viscosity oil, while a cylinder that needs higher pressure would need oil with higher viscosity.

Lubrication: Hydraulic cylinders use oil to lubricate the moving parts and prevent wear and tear. Different oils have varying levels of lubricating properties, which can affect the durability of the cylinder.

Temperature: The operating environment’s temperature can significantly impact the performance of hydraulic cylinders. The oil used should be able to maintain its viscosity and lubricating properties under the given operating temperature.

Compatibility: Hydraulic systems are made of different materials, and the oil used should be compatible with all the system components to prevent corrosion, swelling, or other types of damage.

Cost: The cost of hydraulic oils can vary based on several factors, including the quality of the oil, the type of application, and the quantity needed. Choosing the right oil for the job is important to ensure optimal performance and longevity of the hydraulic system, which can ultimately save money in the long run.



Mineral oils are the most commonly used type of oil in hydraulic cylinders. They are derived from petroleum and are relatively cheap and readily available. Mineral oils have good lubricating properties and balance viscosity and fluidity, making them ideal for use in hydraulic systems.

These oils are commonly used in various applications, including heavy machinery, construction equipment, and industrial machinery.


Synthetic oils are chemically engineered oils designed to improve performance over mineral oils. They are made from a combination of chemical compounds, including polyalphaolefins (PAOs) and esters. Synthetic oils are designed to provide better oxidation and thermal degradation resistance, so they can perform better in high-temperature applications.

They also have improved viscosity and fluidity, which makes them ideal for use in hydraulic systems that require high pressure and precise control.


Biodegradable oils are formulated to break down quickly and safely in the environment. They are often used in hydraulic systems in environmentally sensitive areas, such as near water sources, or in applications that may release oil into the environment, such as construction equipment.

Biodegradable oils are typically made from vegetables or esters and are formulated to meet specific environmental standards.


Fire-resistant oils are designed to protect against fire and other hazardous conditions. They are often used in hydraulic systems where fire is a significant risk, such as underground mines or petrochemical facilities. Fire-resistant oils are formulated to provide a high level of fire resistance, and they also have good lubricating properties.


High-temperature oils are formulated to perform well in high-temperature applications. They are typically used in hydraulic systems where high temperatures are a concern, such as foundries or heat-treating facilities.

High-temperature oils are designed to maintain their lubricating properties even at high temperatures, and they also have good resistance to oxidation and thermal degradation.


As a company that supports Hydraulic Cylinder Manufacturers, Honingcraft created this article to help our customers select and recommend the correct oils while manufacturing cylinders. Contact Honingcraft if you require other materials like honed tube, chrome bar or cylinder kits. Contact Honingcraft