HTC supply the hydraulic piston pump motor assembly to hydraulic mobile construction equipment, main pump, travel motor, swing motor and reduction gear. The hydraulic main pump and gear pump as the core unit of hydraulic mobile construction equipment are the important mechanical device to generate and transfer the oil pressure by engine power. Travel motor and swing motor is the mechanical unit to transfer proper speed and power by operating the Main Control Valve’s control to the oil pressure generated by engine and pump. Survey our assembly website freely and find out more business chance. Sometimes, you may not be able to see the hydraulic assembly you need from our website or product list. Let us know it. Your notice will help us serve you better because we may have not listed it up. At any time, we will support you sincerely according to our main value, customer’s benefit.