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Nebraska | Does anyone have the exact serial break when deere got away from the poor piston rings in the 11-13/14 8r series? I know the DEF models started sometime in 14 right? but also see some pre def 14 models advertised with serials over 80k and wondered if the issue was fixed by then.
edit: I do realize at this age of tractor most have likely been fixed by now because these things in nebraska have 7-10k hours on them now but a few floating around with low hours yet that im curious about.
Edited by wire farms 8/12/2026 08:50
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serial break for 9L piston ring on 8r tractors
