wall traveling jib cranes are a cost-effective solution for lifting and moving heavy material. custom engineered wall traveling jib cranes are a perfect complement to an overhead crane system to perform tasks efficiently ......wall traveling jib cranes are a cost-effective solution for lifting and moving heavy material. custom engineered wall traveling jib cranes are a perfect complement to an overhead crane system to perform tasks efficiently without tying up an overhead crane. a wall traveling jib crane can also be used to cover a series of workstation cranes with little or no downtime waiting for an overhead crane. features wall traveling jib crane end trucks use channel beam/construction frames to resist twisting and are jig-fixtured and machined to maintain consistent manufacturing tolerances. bolt type connection to back frame eases erection and assembly. the top running end truck on a wall traveling jib crane utilizes forged steel double flange crane wheels for long life. the wall traveling jib crane drive utilizes squirrel cage motor with double reduction spur gear reducer. standard single speed controls include mainline contactor, control transformer, inverter acceleration control and fuses in nema 3r, 4, 12 control enclosures. the wall traveling jib crane boom is fabricated from standard "s" beam with vertical angle truss to reduce deflection. jib crane boom and truss bolt to back frame for ease of erection and assembly.