Manitowoc’s Potain MRH125 combines luffing and topless at Bauma 2019

First published at bauma - April 10, 2019

Manitowoc’s Potain MRH125 combines luffing and topless

Manitowoc is launching its new Potain MRH125 tower crane, combining luffing jib and topless capabilities, the first in the manufacturer’s European range to do so. It uses hydraulic power for the luffing movement, for greater efficiency, and has been designed for swift erection and compact operation.

“Its unique design makes it very fast to assemble. It can be erected to freestanding in just one day,” said Thibaut Le Besnerais, Manitowoc’s global product director for tower cranes.

The relatively small footprint of the crane makes it is ideal for congested construction sites, Besnerais continued: “It allows more cranes to operate together on site, without interference.”

The maximum capacity for the crane is 8tonnes; the maximum jib length is 50m, with a lift capacity of 2tonnes at the jib end. Users can configure the crane in freestanding heights of up to 57.9m, and line speeds of up to 118 m/min can be reached with the 50LVF20 hoist winch.

Manitowoc has also worked to minimise transport costs, with four containers required to transport the upper portion of the crane and the counter jib and jib foot traveling as a single package. The VVH hydraulic luffing mechanism and cylinders are pre-connected at the factory, meaning no assembly is required on site.

According to Manitowoc a further advantage over traditional luffing jib cranes is that the hydraulic power of the VVH mechanism means there is no requirement to install luffing rope during installation. The hoisting winch, maintenance derrick and jib wind side plate are also pre-installed. And there is no need to adapt the wind-sail plate on site, no matter what length of jib the crane is erected with.

Stand FS 1201