Transporte esta grúa pórtico de aluminio portátil de forma segura con carga nominal total. Available manufacturers include EME, which offers a capacity range of 1/2-ton to 5-ton gantry cranes. EME's Hollow Beam design is lightweight and available in beam lengths up to 16'. Aluminum gantries have a high lift to weight ratio — up to 26:1 — much higher than steel gantries.