US Military Portable Hydraulic Systems Tester- 1979

This is a ruggedized, portable diagnostic unit manufactured by Schroeder Brothers Corp for the US Military. It features integrated fluid system testing capabilities to monitor flow, pressure, and temperature within tactical vehicle hydraulic lines. 

• All-in-One Monitoring: Simultaneously measures flow rate (GPM), diagnostic pressure (PSI), and operational fluid temperature. 
• Ruggedized Enclosure: Enclosed in a heavy-duty portable case with an integrated carrying handle designed to withstand harsh field environments. 
• Manual Load Control: Includes a manual loading valve to simulate system pressure and stress-test hydraulic pumps, valves, or cylinders. 
• High Capacity Performance: Engineered to safely manage flow and pressure tracking up to 3,000–6,000 PSI.

This comes with the original user manual .