In March 2010 DP World Antwerp officially commissioned its first Liebherr Mobile Harbour Crane on a portal (LPS 500) for service. The Liebherr Portal Slewing Crane (LPS) is an efficient combination of a space-saving portal (mounted on rails) and the proven mobile harbour crane concept. Particularly on narrow quays, individual portal solutions permit (railway) trains and (road) trucks to travel below the portal. “We are very pleased to be working with Liebherr on this project. Liebherr’s involvement was a key factor moving forward with the project, and we now look forward to a successful operation as well as a productive long term operating relationship with Liebherr”, says Robby Van Bunder, Technical Manager of DP World Antwerp. The portal, tailored exactly to the infrastructure requirements of the customer, has a rail span of 11 meters, enough space to let pass two trains next to each other under the crane. This design offers unprecedented ease of operation in a full range of general cargo applications. A lifting capability of up to 104 tons and a maximal outreach of 51 m make it ideal for transhipment at multipurpose terminals like this one. In addition to the on-board diesel-hydraulic power transmission system the crane was equipped with an electric motor and a 800 m cable to offer the customer the option to operate the crane from the existing high voltage network (apart from the standard possibility to use the crane independent of any shore supply).