Umbilical systems have become the tool of choice for getting slurry on to wet ground. But, weighing in at 35t, the Cadman CMA is clearly off the list for a gentle tread. Moreover, its weight is not the only big stat for this €500,000 bit of kit, it measuring 14m long and 3.40m wide. Undeterred, one German farming business has been tempted to stump up the cash for the Canadian-built umbilical system. Why?