Technical Articles

When deciding on your air cleaner, there are two primary factors to consider: The engine’s airflow requirements, and the environment in which the air cleaner will operate.

Our latest air cleaner technologies allow us to help OEM’s meet power and fuel efficiency requirements without wasting space or weight on new equipment.

Donaldson has extensive experience in emissions and exhaust design, coupled with validation testing abilities and access to multiple manufacturing sites.

Aftertreatment systems have become an integral component of engines today due to the implementation of increasingly stringent emissions regulations.

Diesel engine technology, for a variety of reasons, has evolved by leaps and bounds. Fuel filtration is vital in keeping heavy-duty vehicles and equipment not just running – but running cleanly and efficiently.

High-pressure common-rail (HPCR) systems are precise but complicated pieces of machinery that require the cleanest possible fuel to function without breakdown.

It is important to understand the preventative function of fuel filtration to ensure that expensive injectors and pumps are not damaged by poor filtration. 

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.

Due to advancing technology and the need for greater and greater efficiency, modern engine systems require precision-fit components and filtration.

Donaldson offers solutions to meet the needs of advanced lube system configurations. Learn more about our full-flow or by-pass filtration strategies.

There is a range of applications that can be loosely classified as “power transfer units” – hydrostatic transmissions, CVT and powershift transmissions, gearbox and axle applications, and even power steering. In all of these systems, fluid cleanliness is essential.

When it comes to keeping transmission fluid clean, there are a number of filtration components that are vital to the mission. Donaldson offers standard or customized components for a variety of on- and off-road heavy-duty equipment applications.

Donaldson offers in-house engineering expertise and is continuously investing in research and development to improve system designs and filtration technologies that exceed or match a wide variety of customer specifications.