Name your Palette: Description: http://www.testresources.net/products/test-machines/by-machine-type/servohydraulic-test-systems - Servo hydraulic test machines typically produce high loads at high test speeds compared to all electro mechanical and electro dynamic test machines. 900 Series test systems are used for product and material tests and include a dual column load frame, servo hydraulic actuator with servo valve, fatigue rated load cell, hydraulic power pack, digital controller and test software.