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If you’re selecting a hydraulic gear pump for a live floor trailer, roll-off container system, or snow and ice control rig, the Permco P5151A224AAXQ27-54 deserves serious consideration. It delivers 30

A typical hydraulic system schematic: every symbol represents a functional component, not a physical size or position. If you maintain or operate hydraulic equipment—whether it’s a construction excavator, a manufacturing

Updated March 2026  |  Hydraulic Valve Technical Guide  |  8 min read If you own a Speeco, Huskee, County Line, Brave, Dirty Hand Tools, or Yardmax log splitter, there’s a

Bore, rod, stroke, retracted length, mounting style, ports, and working pressure — every dimension explained with formulas, reference tables, and real-world tips from the shop floor. EP Ethan Parker Senior

Last month a maintenance supervisor in Texas emailed us a photo of a spool valve he’d pulled from a Komatsu loader. “Scored lands, internal leakage, cylinder drifting under load—what went