For sheer choice and variety, the 150hp bracket marks the tractor sector’s sweet spot, with most makers offering four- and six-cylinder alternatives and a multitude of transmission types and spec levels.  Not long ago they were regarded as prime movers and top-of-the-tree tractors, but expanding farm sizes mean machines of about 150hp are now the meat in the UK tractor sales sandwich. Agricultural Engineers Association tractor power data shows the average horsepower of new machines sold now lies just above […]