John Deere 6420 Engine Problems
The John Deere 6420 is a utility tractor, first produced in about 2002, and in production for roughly 4/5 years. It has a 4.5 litre, 4 cylinder diesel engine, with a power output of about 110 hp, and a PTO of approx 90/104 hp. It has a fuel capacity of 49 gallons.
It has hydrostatic transmission, power steering and a wet disc braking sysytem.