JOHN DEERE TRACTORS - A HISTORY
Deere & Company began in 1836 when John Deere started selling small tools. He developed the self-scouring steel plough, fashioning a Scottish steel saw blade into a plough. Prior to Deere's development, most farmers used iron or wooden ploughs which required frequent cleaning due to the soil sticking to the plough in the rich local fields. The smooth-sided steel plough solved this problem.
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In 1947, the John Deere company introduced the model 55 - its first self-propelled combine,. It was followed by the models 40, 45, and the larger model 95. In the 1960’s the even larger 105 model 105 was introduced. By 1960, John Deere introduced the "New Generation of Power", the company’s first four-cylinder and six-cylinder tractors. Since 1918, John Deere had focused on two-cylinder machines. The new line of four- and six-cylinder tractors were more powerful easier and to operate with the added appeal of being easier to service. The series included models 1010, 2010, 3010, and 4010.
In 1972, Deere the 'Sound Idea' tractors were introduced, the 4030, 4230, 4430, and 4630. While these tractors were mechanically similar to the New Generation tractors, they featured redesigned sheet metal and most importantly they were available with an optional integrated operator's cab that John Deere called the Sound Gard body. The 5020 was replaced by the 6030 and continued in production until 1977. Soon after the 30 Series tractors were replaced by the 'Iron Horse' series; 90-hp 4040, 110-hp 4240, 130-hp 4440, 150-HP 4640, and 180-hp 4840.
In 1983, Deere introduced the 4050, 4250, 4450, 4650, and 4850. These upgrade tractors offered 15-speed Power Shift transmission, and were available with mechanical front-wheel drive. These tractors were followed by the mechanically similar 55 and 60 series tractors before they were replaced by the Deere's completely redesigned 7000 and 8000 series tractors in the early 1990s.