NCK (Newton Chambers Koehring), started as a subsidiary of Newton, Chambers & Company, a large engineering company based in Sheffield, England. They produced the range of NCK agricultural equipment, skimmers, excavators, cranes and draglines that were renowned for high quality and long life, typically over 20 years. Many NCK machines continue to operate worldwide. In February 2012, the business of NCK Cranes was acquired by Delden Cranes Ltd, and will continue to supply spare parts and offer machine overhauls from its facilities in Selston, Nottinghamshire, UK. The acquisition of NCK follows the acquisition of RB Cranes Ruston-Bucyrus by Delden Cranes Ltd in October 2009.