Posted by Tyler-MO on October 09, 2012 at 19:31:26 from (50.40.172.31):
In Reply to: John Deere Firsts posted by Ted in NE-OH on October 09, 2012 at 10:42:32:
Closed-Center-Hydraulic system with the radial piston type pump that varied volume based on demand...which was an industry leading advancement that held JD hydraulic systems in the industry lead for 20 plus years over their competition...1961
Direct injection diesel engine standard on their tractors...others had tried and decided to use other injection systems utilizing pre-combustion chambers. This began in 1949 on the R- diesel and continues to this day. It was one reason for their successes in claiming the top fuel efficiency records at Nebraska that held for over 30 years until not being beaten but by another JD product in the early 80's.
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