https://www.xyexcavator.com/excavator/wheel-excavator/b75s-new-wheel-excavator.htmlHydraulic transmission is a fluid transmission that uses liquid as the working medium and uses liquid kinetic energy to transmit energy. The impeller converts the input speed and torque of the power machine, including internal combustion engine, motor, turbine, etc., and drives the working part of the machine through the output shaft. The liquid interacts with the impellers installed on the input shaft, output shaft and shell to produce the change of momentum moment, so as to transmit energy. This article will explain how to choose hydraulic oil for construction machinery. As different brands of construction machinery have different requirements for hydraulic oil, this article is for reference only.
Hydraulic transmission oil is not only the transmission medium of hydraulic transmission, but also the hydraulic control oil of shift actuators, such as wet shift clutch, shift brake and various control valves in automatic shift hydraulic system. It also provides lubrication and cooling for the bearings and gears in the torque converter and gear transmission. Therefore, hydraulic transmission oil is a highly demanding oil, which is directly related to the reliability, transmission efficiency and service life of hydraulic components. The commonly used brands of hydraulic transmission oil for construction machinery include No. 6, No. 8 and other products. It is mainly selected according to the requirements provided by the manufacturer.
