Most Recent Blog Posts

Oct 24, 2016

How To Consolidate Your Hydraulic Oil Inventory

How many different types of hydraulic oil are taking up space in your oil store? If there's more than one you're not alone. I often get questions....More
Oct 17, 2016

Hydrostatic Transmissions: Making Sense Of Case Drain Flow - Part 2

In a previous post on hydrostatic transmissions, I outlined the theory and technique for using case drain flow to determine the condition of a....More
Oct 10, 2016

How To Add Hydraulic Oil - Without The Dirt

Hydraulic fluid straight from the drum, has a typical cleanliness level of ISO 4406 23/21/18. A 25 GPM pump operating continuously in hydraulic oil....More
Oct 03, 2016

The Hydraulic MAINTENANCE Imperative

It's not realistic to expect (as many equipment owners do) to run a hydraulic machine for 10,000 hours, without checking anything more than the fluid....More
Sep 26, 2016

3 Things to Consider When Choosing a Hydraulic Oil

When it comes to hydraulic fluid, it's not possible to make one, definitive recommendation that covers all types of hydraulic equipment in all....More
Sep 20, 2016

Hydraulic Equipment Reliability: Begin With The End In Mind, Part II

In my previous blog post, I wrote about the advantages of defining your maintenance and reliability objectives for a piece of hydraulic equipment....More
Sep 12, 2016

Hydraulic Equipment Reliability: Begin With The End In Mind

The best time to carry out a maintenance and reliability audit on a piece of hydraulic equipment is BEFORE you buy it. By starting with the end in....More
Sep 06, 2016

Troubleshooting Tales: Squealing Hydraulic Cylinders

The end of the month was just a few days away when an OEM customer called and advised its hydraulic cylinder manufacturer that the boom extension....More
Aug 30, 2016

The REAL Value Of The Humble Hydraulic Symbol

As most hydraulic technicians know, there's usually a better than even chance that a schematic diagram will not be available for the hydraulic....More
Aug 22, 2016

How 'Power Beyond' Works [Video]

Newbies to the hydraulics biz often have trouble grasping the concept of 'Power Beyond'. Because while they tend to grasp the circuitry easily enough....More
Aug 15, 2016

How To Calculate Hydraulic Cylinder Efficiency

With modern sealing technology, the volumetric efficiency (leakage losses) of a hydraulic cylinder in good condition approaches 100%. But the....More
Aug 09, 2016

Is This Problem Destroying Your Hydrostatic Transmission? [Video]

In 1981, just in time for the wheat harvest, Dad took delivery of a new combine harvester. It was one of many he owned over the years, but this one....More
Aug 02, 2016

Hydraulic Troubleshooting: Do As I Say; Not As I Do!

Hydraulic troubleshooting as a logical process of elimination which begins with checking the easy things first. This emphasis on investigating the....More
Jul 26, 2016

How And Why To Monitor Hydraulic Filter Condition

Continuous monitoring of the filter elements in a hydraulic system can provide valuable clues to the performance of the filter and the condition of....More
Jul 18, 2016

How To Store Hydraulic Cylinders - Part 2

In my previous post, I discussed the procedure I use when preparing hydraulic cylinders for storage. In response to it, one of our members posed this....More
What's Hydraulics At Work?

Brendan Casey is a war-weary and battle-scarred veteran of the hydraulics industry.

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