Machine description: Used John Deere 4450 2WD diesel tractor, C.H.A. radio, 6 cylinder turbo, 466 cu, 16 speed partial power shift, 3RD arm, 2 set of remotes, 1 power port, 540/1000 PTO, block heater, 18.4R42 rear tires, ... more info about the 1990 John Deere 4450.