John Deere in chronological order
John Deere 4440 '1978–82
John Deere 4440 4WD '1978–82
John Deere 4440 Hi-Crop '1978–82
John Deere 4640 '1978–82
John Deere 4840 '1978–82
John Deere 8440 '1979–82
WheelsAge.org '2005–pr.