Spierings has shipped the first units of its new zero emission ‘e-Lift’ four axle seven tonne SK597-AT4 and six axle 10 tonne SK1265-AT6 self-erecting mobile tower cranes with the first units going to Dutch rental companies Schot Verticaal Transport and T Pater Kraanverhuur.
First shown as a concept at bauma last year, the company has adapted the hybrid technology used on its hybrid City Boy cranes. The new eLift models can be operated full electric by a AC power source which works in conjunction with its lithium-ion battery pack. In the case where grid connection is not available, the crane can also work in a 'hybrid mode' combining its batteries with a small three cylinder Stage V diesel engine. Offering a 10 tonne capacity and 66 metre tip height the company claims its SK1265-AT6 is now the largest electric mobile crane in the world that can work from a 16 amp socket.
Features include the ability to charge batteries when the diesel engine is running with an auto start/stop function, helping reduce energy consumption when the a crane function is not being operated. Operators are also able to choose the current required from 11 to 32 amps depending on site availability and in order to 'steal' all of the available power supply. Unlike the custom built AC mains electric powered models that the company has supplied in the past, the new e-Lift cranes can run quite happily on a domestic power supply by using the battery pack as a boost when required, allowing performance to remain on a par with the standard diesel powered model.
Dutch crane and rental company T Pater has taken delivery of the first SK597-AT4 eLift, while the first SK1265-AT6 eLift has been taken by Dutch heavy lifting and haulage company Schot. The company has also ordered a further two eLift models scheduled for delivery in 2021.
Spiering says that it has already booked more than 45 orders for the new eLift cranes and that in 2021 it expects almost all of the cranes that leave its factory will be electric.
Schott general manager Roel van der Heide, said: “Zero emission construction has become even more important and we expect a high demand for this crane. The possibility to use this crane from a 11 amp source makes it possible to work on virtually any construction site without emissions.
Harry Pater, owner of Pater Kraanverhuur, added: “We have the first SK597-AT4 eLift of Spierings in our fleet with which we have made the first step towards the zero emission construction site of tomorrow. The fact that they can now do their jobs emission free and virtually silent is another argument to choose for these cranes. We have seen a growing demand from our contractors to think together with them on the reduction of NOx and CO2 emissions. These new eLift models are the answer to this request.”
Chief executive Koos Spierings added: “We have been able to develop the eLift models due to the City Boy. Lots of knowledge on hybrid technology and software was already present within our company making us able to act fast. I am very proud of all the people in our company that have realised this innovation in such a sort period of time. I think we have added an important advantage to our crane concept. Together with the SK487-AT3 City Boy, Spierings is now offering three models that can work free of emissions. With this, Spierings is currently leading in the crane market. Meanwhile already more than 45 eLift cranes have been sold. In 2021 virtually every crane that leaves the factory in Oss will be electric.”