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Examining the growing importance of zinc-free hydraulic fluids

April 1, 2026 By Mary Gannon Leave a Comment

Lubrizol is developing zinc-free additives that still offer anti-wear properties, oxidative performance and thermal stability, cleanliness and filterability, and smooth operation and control.

In an increasing number of end-use applications, zinc-free hydraulic fluids are becoming desirable to minimize impact, particularly in sensitive environments. By Jared Cornett, Product Manager, Industrial Oils, Lubrizol Hydraulic fluids play an important role in making the modern world work. They are found in countless applications that many … [Read more...] about Examining the growing importance of zinc-free hydraulic fluids

Filed Under: Featured, Fluids Tagged With: lubrizol

When should you completely drain your hydraulic system and why?

January 9, 2026 By Mary Gannon Leave a Comment

drain-hydraulic-system-AdobeStock_1499960432.jpeg

By Josh Cosford, Contributing Editor If you work with a hydraulic technician who services and repairs hydraulics, especially including work on power units, leave this article for a moment and go ask them, "What's the craziest thing you've seen inside an old reservoir?" My own answer isn't so memorable; it's just a half-collapsed suction filter … [Read more...] about When should you completely drain your hydraulic system and why?

Filed Under: Featured, Filtration, Fluids, tanks and reservois

Cleveland Tank announces partnership with Zinga Industries

October 23, 2025 By Mary Gannon Leave a Comment

Cleveland tank zinga Hydraulic_Parts_1

Cleveland Tank is proud to announce a new partnership with Zinga Industries, Wisconsin-based hydraulic filtration manufacturer. Through this collaboration, Cleveland Tank will now distribute Zinga’s replacement and consumable hydraulic products, including filler breathers, filter elements, filter heads and strainers.   This … [Read more...] about Cleveland Tank announces partnership with Zinga Industries

Filed Under: Filtration, tanks and reservois Tagged With: clevelandtank, zinga

Lubrizol launches zinc-free hydraulic additive for enhanced environmental protection

October 23, 2025 By Mary Gannon Leave a Comment

Lubrizol-zinc-free-additive

Lubrizol has launched Lubrizol AH933ZF, a zinc-free additive package that enables robust performance and user benefits.  Zinc-free hydraulic fluids have been increasingly desirable in recent years as regulators, OEMs and other stakeholders seek to minimize potential disruptions in sensitive environmental applications. Suitable for applications … [Read more...] about Lubrizol launches zinc-free hydraulic additive for enhanced environmental protection

Filed Under: Featured, Fluids Tagged With: lubrizol

Clarity line of ashless hydraulic oils meets sustainability goals

October 2, 2025 By Puja Mitra Leave a Comment

Chevron announced the reintroduction of its Clarity line of ashless hydraulic oils, which now includes Clarity EliteSyn AW and Clarity AW. The updated products are designed to support equipment protection and efficiency while meeting growing demand for more environmentally responsible lubricants. Chevron’s Clarity EliteSyn AW and Clarity AW … [Read more...] about Clarity line of ashless hydraulic oils meets sustainability goals

Filed Under: Fluids, Products Tagged With: chevron

Why is hydraulic contamination still an issue?

May 28, 2025 By Mary Gannon Leave a Comment

Environmental exposure is a huge cause of hydraulic contamination.

I've got contamination on the brain. In the past couple of weeks, I have edited several articles focused on the perils of contamination and how to prevent it. In our May issue, we talk about the importance of contamination control in agricultural machinery. We also talk industrial contamination control in our June issue, where we tackle both … [Read more...] about Why is hydraulic contamination still an issue?

Filed Under: Contamination Control, Featured, Filtration, Fluids

Hunting ghosts in your machines with sonar

April 17, 2025 By Rachael Pasini Leave a Comment

Air is a troublesome contaminant in hydraulic fluid. Once it enters and becomes entrained, it's a pain to remove. If it goes undetected or unmitigated, it can delay system response, decrease performance, degrade the fluid, and wreak havoc on hydraulic pumps. “It’s not like the bubbles that rise to the surface in your glass of beer. The air … [Read more...] about Hunting ghosts in your machines with sonar

Filed Under: Contamination Control, Featured, Fluids Tagged With: amtech, corvera

How do you check for hydraulic leaks?

March 26, 2025 By Mary Gannon Leave a Comment

Industrial leak detection kits use fluorescent dye to determine the location of hydraulic fluid leaks.

By Josh Cosford, Contributing Editor Pretty much the only time it’s easy to check for hydraulic leaks is when the power unit and machine are spanking new. The pristine, glossy epoxy paint used on power units makes an excellent canvas for the soft amber sheen of hydraulic oil. And to be fair, testing and startup are the most likely occasions when … [Read more...] about How do you check for hydraulic leaks?

Filed Under: Featured, Fluids

Bio-Ultimax 1200LT hydraulic fluids conquer cold weather challenges

January 22, 2025 By Mary Gannon Leave a Comment

Bio-Ultimax-1200LT---PR

Renewable Lubricants’ Bio-Ultimax 1200LT hydraulic fluids are environmentally friendly, biosynthetic formulas that provide outstanding reliability in low-temperature conditions. These ultimately biodegradable fluids help users avoid the nagging problems of winter, including slow startup, sluggish performance, seal leaks and moisture contamination. … [Read more...] about Bio-Ultimax 1200LT hydraulic fluids conquer cold weather challenges

Filed Under: Fluids Tagged With: renewablelubricants

How do you prevent microbes in hydraulic oil?

January 16, 2025 By Mary Gannon Leave a Comment

microbes in hydraulic oil AdobeStock_401822017

By Josh Cosford, Contributing Editor Microbes aren’t the most common contaminant in hydraulic oil, but they do become a problem when conditions are ripe for their proliferation.  Anaerobic bacteria of various forms are the most common to be found within hydraulic fluid, although it’s not unheard of to see fungi (molds and yeasts) in very … [Read more...] about How do you prevent microbes in hydraulic oil?

Filed Under: Contamination Control, Featured, Fluids

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