... track jack1. model max lifting max hooking jack-up height jack-up feet high hook QD5 5tons 2 ... 15tons 7.5tons 280mm 580m 60mm2. widely usedApply to the complementary set, an axle railway bridge installation, ... heavy lifting with, the structure is simple, easy to use, safe and reliable, and many machine etc. ... tools, compact structure, reasonable use a joystick to move up and down swinging the claw, with ...