For UK and Irish farmers the Arion 620 and 650 are hitting the Claas sweet spot, with owners tending to opt for the more basic CIS trim in the 114kW/155hp 620 but leaning more towards the top spec Cebis if buying the 650 flagship. Most of these 650s are sold with a Hexashift semi-powershift, but should buyers be considering the stepless Cmatic? Read on …