Track jack a device for raising railway track during ballasting or other track operations. Mechanical track jack is the simplest & sturdiest types of the jacks and widely used in Oil Fields, Railway Track Work,Ship Yards, Mining Operation, Construction &Heavy Duty Industrial Maintenance & Establishments. These Track jacks can be used to lifting both on down and up strocks. They're not only be lowered tooth by tooth but also can be made to tripped off by just moving the trip control. Specification Model LJ-QD15 Type Rail Track Jack Material Stainless Steel Dimensions (L x W x H) 310*165*520mm Rated top lifting force 147HN (15T) Rated hook lifting force 78kN Lifting stroke â?¥270mm Initial height 60mm Weight â?¤25kg