Impressed by advancements in Lego design. These are my City/System Tractors from 1991 until today. Taken from sets 4525, 4543, 4563, 6512, 60287 and 60390. - 9GAG
Lego System 6512
6512-1: Landscape Loader | Sets | Clabrisic
LEGO 6512 Construction Landscape Loader | BrickEconomy