Technical Articles

It is important to understand the vital preventative function of hydraulic filtration to ensure that expensive components within the machinery are not damaged by poor filtration. 

When it's time to replace the hydraulic filters, it's important to understand the differences in specifications and the importance of quality filtration.

What is hydraulic fluid? With hydraulic fluid types for every purpose, this article explains why it’s used and how to keep it in peak condition.

You’ve made an investment in your hydraulic system, and you want to make the most of it. At Donaldson, we’ll walk you through the principles and maintenance practices of hydraulic oil systems that best suits your needs.

By better understanding how these systems operate and why newer equipment has become more sensitive to contamination, we can see the need for filtration solutions that keep systems as efficient and as productive as their first day of operation.

In this article, we take a close look at the six most common types of hydraulic fluid contamination: built-in, generated, water, chemical, air, and ingressed particulate.

Watch out for the effects of contamination in your hydraulic systems. Understanding the consequences of hydraulic fluid contamination contributes to better vigilance and ultimately higher system reliability.

Proper care and maintenance of hydraulic hoses can go a long way toward protecting the whole system.

Anyone who uses hydraulic equipment in the field knows that real-world conditions and test-bench conditions are worlds apart. Real-world conditions are harder — if not impossible — to control, whereas testing situations are made to be controlled.

Filtration is a key success factor for hydraulic systems in maintaining fluid cleanliness and optimizing function.

Donaldson hydraulic filtration experts can work with OEM engineers to develop strategies that support specific system requirements.

Imagine a hydraulic reservoir that comes ready to install into your space with protection from both entrained air and other contaminants.

Filter manufacturers can evaluate filter efficiency, capacity, and the capture and retention of dirt particles with dynamic flowrates reproducing real-world conditions per the new alpha ISO test standards.