Compact in size
Energy being consumed only while steering
Less ocupation of space
Number of components are less
Integral power steering
Linkage power steering
Electronic power steering
Manual steering
Torsion bar
Rotary valve
Unloading valve
Flow control valve
Affect steering stability
Prevent control in event of hydraulic failure
Combine high mechanical efficiency with smooth operation
Provide hard steering
Rotary control valve
Pressure relief valve
Unloading valves