Best Hydraulic Oils of 2025

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Hydraulic oils are essential in ensuring the smooth operation and longevity of hydraulic systems. These oils are specially formulated to provide lubrication, cooling, and hydraulic power transfer within the system. They are used in a wide range of applications, from heavy machinery and construction equipment to industrial processes and manufacturing. With the right hydraulic oil, you can improve the efficiency and reliability of your system, reduce downtime, and extend the lifespan of your equipment. It is advisable to seek expert advice to determine the best hydraulic oil for your specific application.
At a Glance: Our Top Picks
Top 10 Hydraulic Oils
HMT HMTH008 Hydraulic Oil 46 for Industry
The HMT HMTH008 Hydraulic Oil is designed for various hydraulic power applications, particularly in industrial settings. It excels in mobile hydraulic operations, such as those found in excavators and cranes, providing reliable performance. Its oxidation-resistant formulation ensures longevity by preventing degradation from air, water, and copper exposure. Additionally, the oil features excellent anti-wear properties, safeguarding your equipment under both light and heavy loads. With its effective air release and anti-foam characteristics, it keeps your hydraulic systems running smoothly and efficiently.
HMT HMTH006 Hydraulic Oil for Industrial Use
The HMT HMTH006 Hydraulic Oil is ideal for various hydraulic power applications in industrial settings. Its oxidation-resistant formula ensures that your hydraulic system maintains good oil life and effectively controls deposits, giving you peace of mind. You will appreciate its excellent anti-wear performance, which protects critical components like pumps under both light and heavy-duty conditions. Additionally, this hydraulic oil features good air release and anti-foam properties, allowing for quick air release while maintaining foam control, ensuring smooth operation in your machinery.
Smith & Allan ISO 32 Hydraulic Oil 20L
Smith & Allan Hydraulic Oil offers excellent performance for your hydraulic systems. Its oxidation resistance ensures a longer lifespan, protecting your machinery from degradation. With good anti-wear properties, this oil helps to prolong the life of your equipment, saving you money on repairs. Additionally, its air release capability allows for efficient operation by reducing the formation of air bubbles, which can hinder performance. Finally, the oil's anti-foam properties help maintain a stable operation, ensuring your hydraulic systems run smoothly.
Smith & Allan ISO 46 Hydraulic Oil 20 Litre
The Smith & Allan Hydraulic Oil is designed to provide excellent performance and reliability for your hydraulic systems. With its oxidation resistance, you can trust that it will maintain its effectiveness over time, extending your equipment's lifespan. Its anti-wear performance ensures that moving parts are protected, reducing maintenance needs. Additionally, the oil features good air release properties, which help to minimise foam and ensure efficient operation. This combination of features brings you peace of mind, knowing that your machinery is well-protected and functioning smoothly.
Lubrisolve HM 46 Hydraulic Oil 5 Litres
Lubrisolve HM 46 Oil is a premium quality hydraulic oil designed to meet various needs. With a kinematic viscosity of 46, it ensures optimal performance in hydraulic systems, providing smooth operation and reducing wear. The blend of solvent refined mineral oils and a multipurpose additive package enhances the oil's effectiveness, ensuring long-lasting protection for your machinery. Suitable for a wide range of applications, this hydraulic oil offers versatility, making it a convenient choice for both professionals and DIY enthusiasts.
Mannol 20 Litres Hydro ISO 46 Hydraulic Oil
The Mannol Hydro ISO 46 Oil is an all-season mineral hydraulic oil designed for both stationary and mobile equipment. With an ISO viscosity grade of 46, it ensures optimal performance in various operating temperatures. This oil is compatible with a wide range of hydraulic devices, providing reliability and efficiency. It is also neutral towards sealing materials and paint coatings, helping to prevent leakages and reduce maintenance costs, making it a practical choice for your hydraulic needs.
Carlube Hydraulic 32 Oil for Systems
The Carlube Hydraulic 32 Oil is designed for various hydraulic components and systems, ensuring you get the best performance. Its formulation includes high-quality base oils and advanced additives, which means you can rely on excellent lubrication and protection for your transmission components. This helps prolong the life of your transmission, saving you potential repair costs. Additionally, it meets industry standards like DIN 51524 Part 3 and ISO 11158 HV, giving you peace of mind regarding its quality and effectiveness.
Silverhook ISO 32 Hydraulic Oil 5 Litre
The Silverhook Hydraulic Oil is an ISO 32 anti-wear fluid designed to enhance the performance of your hydraulic systems. With its SAE 10W specification, this oil provides excellent viscosity for efficient operation, ensuring your machinery runs smoothly. The 5-litre packaging is convenient, making it easy to store and use when needed. By using this hydraulic oil, you can protect your equipment from wear and tear, ultimately prolonging its lifespan and reducing maintenance costs.
Westway Hydraulic Oil ISO 46 for Equipment
Westway Hydraulic Oil ISO 46 is designed for various applications, including car lifts, heavy equipment, log splitters, and hydraulic rams. It performs exceptionally well across a wide temperature range, ensuring reliable operation in different conditions. Moreover, it meets the stringent DIN 51524 Part II HLP specifications, providing you with peace of mind regarding its quality and performance. Being classified under ISO 6743/4 Category HM, this oil guarantees excellent lubrication, helping to prolong the life of your machinery.
Westway Hydraulic Oil ISO 46 for Various Equipment
The Westway Hydraulic Oil ISO 46 is a versatile product suitable for car lifts, heavy equipment, log splitters, and hydraulic rams. It performs effectively across a wide temperature range, ensuring reliable operation in various conditions. This oil meets the DIN 51524 Part II HLP specifications, providing you with peace of mind regarding its quality. Additionally, being classified under ISO 6743/4 Category HM, this hydraulic oil is made in the UK, which can be a plus for those seeking local products.
Frequently Asked Questions (FAQs)
1. What are the 4 types of hydraulic fluid?
They are available as oil-in-water emulsions, water-in-oil (invert) emulsions and water glycol blends. Water-based fluids can provide suitable lubrication characteristics but need to be monitored closely to avoid problems.
2. Is there a difference between hydraulic fluid and hydraulic oil?
Hydraulic oil and hydraulic fluid are terms that are sometimes used interchangeably, but they are not necessarily the same. While hydraulic oil is a fluid, hydraulic fluid can also consist of other fluids, including plain water, water-oil emulsions and salt solutions.
3. What oil is used in hydraulic fluid?
The most commonly used hydraulic fluids are mineral oil-based ISO 32 and ISO 46 fluids. The numbers in their names represent fluid viscosity in centistokes at 100 °F.
During our hydraulic oil research, we found 248 hydraulic oil products and shortlisted 10 quality products. We collected and analyzed 6,779 customer reviews through our big data system to write the hydraulic oils list. We found that most customers choose hydraulic oils with an average price of £30.29.
The hydraulic oils are available for purchase. We have researched hundreds of brands and picked the top brands of hydraulic oils, including HMT, Smith & Allan, Lubrisolve, MANNOL, Carlube. The seller of top 1 product has received honest feedback from 669 consumers with an average rating of 4.8.

Joseph is a seasoned writer who's also passionate about automotive. His passion for automotive care and maintenance fuels his drive for more knowledge in the field. He currently resides in Middlesbrough, where he finds time to write informative contents on automotive. His automotive related articles are quite popular in journals around the world. Joseph continues to use his wealth of experience in the industry to create helpful guides on automotive.