Driving impression: JCB Fastrac 8250 tractor British beef and Bratwurst The all-new Staffs-built 250hp JCB Fastrac 8250 drives through a stepless gearbox, sourced from AGCO’s Fendt factory in Germany. So, is that it? Fastrac plus CVT? Definitely not. James de Havilland argues that many of the 8250’s other new developments are just as important to how the tractor performs – in field and on road