The roof has two individually motorised screw jack systems, synchronised electronically. Screw jacks and bevel boxes are often found working independently of each other in a variety of industrial automation applications. They are also commonly incorporated together in lifting systems involving two or more screw jacks. Multiple jacks can operate in a group with a shared drive motor, coupled by bevel gears, clutches and transfer shafts. Synchronize two screw jacks were exported to Poland customers. The two post lift system include 2 units 5 ton jacks, 1 unit brake motor with double output shafts, and other accessories.

