Hydraulic system performance has gradually increased over the years through tighter tolerances. But this also makes them less tolerant of contamination. It is the No. 1 reason these systems fail.

Also keep in mind that today’s high performance hydraulic systems utilize extremely tight tolerances that can easily be damaged by even small amounts of contamination. Before removing hose from ...

Several things can go wrong with an excavator, from electrical to mechanical and everything in between. Here’s a closer look at these issues.