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John Deere Model 4020 : ウィキペディア英語版 | John Deere Model 4020
The 4020 was a farm tractor model made by John Deere from 1964 to 1972. It replaced the nearly identical 4010 that had been introduced with Deere's New Generation series in 1960 and offered a number of improvements over the previous model including more horsepower, heavier rear axles, and a differential lock. The 4020 has a six-cylinder engine tested at 84 drawbar and 96 PTO horsepower. John Deere's Syncro Range transmission with 8 forward speeds and two reverse speeds was standard, a power shift transmission was optional. Other options included dual rear wheels and a enclosed cab with heat and air conditioning. The 4020 is significant for its great popularity; over 184,000 units were built.〔http://www.tractordata.com/farm-tractors/000/0/6/64-john-deere-4020.html〕 It was the most popular tractor of its time.〔http://www.greencollectors.com/dbs/forty-twenty/dyncat.cfm?catid=276〕 When John Deere introduced its new Sound-gaurd tractors in 1972, the 4020 was replaced by the 4230. ==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「John Deere Model 4020」の詳細全文を読む
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