Oil Cooler for Road Making Machines, Transit Mixer, Hydraulic Sensor Paver, Tandem Vibratory Roller, TRACTOR LOADER, CONCRETE MIXER, BORE WELL, AIR COMPRESSORS, DRILLING RIGS, Inter coolers for Air Compressors. In which condition hydraulic system is working On stationary on road equipment, In factory premises etc. Surrounding temperature of air Of Hydraulic system. High temperature of oil during working and required temperature after connecting oil cooler Connection of Oil Cooler in size and place on cooler Electric Load in HP connected to Hydraulic System or engine HP.