Following a downturn which took hold as the economy tanked after the GFC, large trench digging machines are on the comeback trail in the United States, a media report says.

A report in Construction Equipment magazine says that whilst a number of smaller brands disappeared from the North American market following the GFC, large trenchers are back in vogue, with demand being underpinned by a large number of energy and shale gas projects as well as an upturn in other…