It seems there’s almost no limit to the power it is possible to squeeze from a modern-day four-cylinder engine. We find out how Massey Ferguson’s biggest four-bore measures-up against an equivalent six-potter from New Holland. Tractor makers have been fighting to build their biggest four-cylinder tractors over the past couple of years, but farmers have traditionally approached these small-engined powerhouses with caution. In many buyers’ eyes cranking-up the power from a four-pot doesn’t quite compare to a slow-burning six-cylinder more […]