Hydraulic Track Gauge Adjuster Hydraulic Track Gauge Adjuster is used for the diversion operation of ballastless high-speed railway lines and turnouts. When in use, the support mechanism is passed through the bottom of two steel rails, one end is clamped on one steel rail, and the hydraulic working mechanism is placed on the inner or outer side of the other steel rail of the support mechanism to adjust the track gauge, achieving the purpose of diversion operation