1972-02-01

John Deere Power Trains - Quad-Range and Perma-Clutch 720795

This paper discusses the Quad-Range transmission and Perma-Clutch power train components available on 1973 John Deere Row Crop tractors. It presents the design and explores some of the development aspects of the Perma-Clutch, powershifted planetary and gear train, transmission oiling system and control valves, and the unique gear shifting arrangement all which comprise the Quad-Range transmission.

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