That’s a Hydraulic Pressure Test Kit / Hydraulic Diagnostic Kit 🔧
What it’s used for:
Testing and diagnosing hydraulic systems on heavy equipment and machinery.
You connect it to hydraulic lines to check if the pumps, valves, cylinders, and motors are working at the correct pressure.
What’s in the kit:
1. Pressure Gauges - The round dials. Different ranges to measure PSI/Bar in hydraulic systems
2. Test Couplings / Quick Connects - The T-fittings and straight adapters with dust caps. These screw into test ports on machines
3. Adapters - Various sizes to fit different brands of equipment
4. Carrying Case - Keeps everything organized and protected