Oil for Enerpac pumps—which one should you use?

May 6, 2026
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Only use genuine Enerpac hydraulic oil in Enerpac pumps. Using any fluid other than the recommended Enerpac hydraulic oil may void the manufacturer’s warranty.

Genuine Enerpac hydraulic oil ensures maximum performance and longevity of hydraulic pumps. It contains anti-foam, anti-rust, and anti-oxidant additives that prevent cavitation, rust, oxidation, and sludge formation. These additives also ensure maximum volumetric efficiency of the pump, as well as optimal protection and lubrication of the hydraulic system.

Enerpac offers hydraulic oils in the following series:

  • HF-95X, 1-liter capacity
  • HF-95Y, 5-liter capacity
  • HF-95T, 20-liter capacity

These oils are blue in color, which can make it easier to identify the oil in the system.

The operating temperature range is 0 to 60 degrees Celsius, and the ideal operating temperature is 40 degrees Celsius.

The oil specifications include API 31-33 gravity, a viscosity of 32 cSt at 40 degrees Celsius, a density of 875 cSt at 15 degrees Celsius, a pour point of 32 degrees Celsius, and a flash point of 204 degrees Celsius.

The use of Enerpac HF95 series hydraulic oil is a prerequisite for maintaining the manufacturer’s warranty, and the use of any other fluid may void it.

Properties of Enerpac Hydraulic Oil

Enerpac hydraulic oil is a key component of hydraulic systems, ensuring their proper operation and long-term performance. Discover its main advantages that make it the choice of many industry professionals.

Maximum pump performance

Enerpac hydraulic oil is designed to ensure maximum performance of hydraulic pumps. Thanks to its special formula, this oil allows pumps to operate at optimal efficiency, which translates to improved performance of hydraulic equipment.

Effective internal heat exchange

The thermal properties of Enerpac oil allow for effective heat exchange within the hydraulic system. This is important because the proper operating temperature is crucial for maintaining performance and preventing components from overheating.

Prevention of cavitation erosion

Cavitation erosion of pumps is a serious problem that can lead to premature wear and failure. Enerpac oil contains additives that effectively prevent this phenomenon, thereby protecting pumps from damage.

Protection against rust, oxidation, and sludge

Enerpac hydraulic oil is enriched with additives that protect the system against corrosion, oxidation, and sludge buildup. This keeps the hydraulic system clean and free of contaminants, which is essential for its reliability and longevity.

High viscosity index

The high viscosity index of Enerpac oil ensures that the oil retains its lubricating properties even under extreme temperature conditions. This is particularly important in applications where the hydraulic system is exposed to significant temperature fluctuations.

Anti-corrosion and anti-oxidant additives

The anti-corrosion and anti-oxidant additives in Enerpac oil provide an additional layer of protection against harmful chemical processes that can affect the performance and durability of the hydraulic system.

Summary

Enerpac hydraulic oil is a product designed to provide maximum protection and performance for hydraulic equipment. Its unique formula, featuring additives that prevent rust, oxidation, and sludge buildup, along with a high viscosity index and properties that prevent cavitation erosion, make it the ideal choice for Enerpac hydraulic systems. Using this oil is essential for maintaining the manufacturer’s warranty and ensuring long-lasting, trouble-free operation of hydraulic equipment.

For more information and to purchase genuine Enerpac hydraulic oils, visit the manufacturer’s website.

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