What Hydraulic Pump Manufacturers Say About Suction Strainers

Photo credit: Stauff CorporationIf you’ve been following my posts here and in other places for any length of time you’ll be aware that I’m a loud and enthusiastic advocate of NOT installing suction strainers, and in the majority of applications, removing and discarding them when they are installed.

And this is why I’m always interested in any new information on this issue, especially … Read more

The Best Type of Hydraulic Piston Motor is…

bent_fix_csBent axis and in-line axial piston motors are both high performance designs featuring high efficiency at high operating pressures. But which is best? To answer this question, a comparison of relative performance advantages is required.

Bent axis designs can be ‘bent’ to angle of up to about 40°. Whereas the swash plate angle on an in-line design is typically limited … Read more

How To Prevent Failures of Hydraulic Maintenance

gun_shaftWould 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