Would you part with $87 to save $70,000? This is a ‘no brainer’ for most of us, right?. Well, here’s a story for you:
I recently conducted failure analysis and a reliability audit on a 300 kW hydrostatic transmission. The hydraulic system was running a synthetic ester, biodegradable hydraulic fluid. This $45/gallon hydraulic fluid had been destroyed in under 12 … Read more
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 from members who’d like to consolidate their hydraulic oil inventory but aren’t sure how to go about it. This one is typical:
“We have a number of pieces of hydraulic equipment e.g., bucket … Read more
In this previous post on hydrostatic transmissions, I outlined the theory and technique for using case drain flow to determine the condition of a hydrostatic transmission pump and motor.
In response to this post, some readers thought that the function of the flushing valve warranted discussion, while others were still confused about the influence of the charge pump when … Read more