We can offer orbitrol for kinds of famous brand tractor. 101S series hydraulic steering control unit 1. The same function of the 101 series 2. Including integrated valve (relief valve and checkproof valve) 3. Replace Danfoss (ospc), M+S (HKU/4) series. 4.101S Hydraulic steering unit is widely used in the steering control system such as the steering system of many kinds of industrial and agricultural mobile machinery forklift,loader,roadroller,tractor,comebine harvester, etc. 5.We produce the products match with the OEM number of all machines. ParametersSeries 101S-*-***-**-* Function code1,2,41,4 Displacement (mL/r)506380100125160200250280315400 Rated Flow (L/min)5681012.5162025283240 Max.input pressure(Mpa)16 Relief Valve Pressure Settings ( MPa)06,07,08,10,12,14,15,16 Shock Valve Pressure Settings ( MPa)12,13,14,16,18,20,21,22 Max.cont.back pressure2.5 Weight(kg)5.755.815.895.966.16.36.56.736.917.17.5 Dimension L (mm)130132134137140145150156161166176 Hydraulic steering unit applications: Construction Machinery Agriculture Machinery Heavy-Duty Equipment Forestry Machinery Mining Equipment