Ganries and cranes and Big bag accessories - Catalog Gantries and folding cranes counterbalances the most economical solution for lifting loads up to 5,000 kg. Sections Big bag accessories Cranes Folding cranes counterbalances the most economical solution for lifting loads up to 5,000 kg. Gantries Aluminium portico very light and perfect for lifting and moving loads robust. They are mounted on wheels for indoor or outdoor work to facilitate movement of the load on a smooth and clean soil. CE Marked.