4720 has 2300 hours on engine -- drained fuel tank to repair a power steering leak approx 6 months ago -- changed fuel filter since problem showed .. no change -- changed throttle sensor .. no change -- problem started as a slight flutter when operating under load and movement at high revs ... problem has increased to happening at stationary but still more pronounced under load and over 1500 rpm .. is not consistent ( varying throttle position can even flutter out somewhat ) -- tractor starts easily & has from new & shows no smoke - fitted with FEL & used for a range of ag / horticultural jobs

Garden - John Deere