John Deere 8410 transmission problems

John Deere 8410 Problems

John deere 8410 – going on 5th gear box in 4 years for midmount mover, also told that transmission for pto is bad.
also two hydr lines wore out. This tactor is like new primary use mowing, 360 hours. It time John Deere stand by product.

Anyone know anything about bad transmissions and or 60″ mm mower problems.

Typically, gearbox problems…or “constant” issues like you mention are the result of “not fixing the true cause”…you are just repairing the “symptom” all the time… I’d bet there is something else amiss…

FIL had a similar “constant issue” with his F911….would burn thru Front PTO Drive shaft bearings at the rate of 2-3 a year..the last time he also noticed the PTO shaft splines were worn out…
Turns out the “true cause” of all the issues was the PTO Drive shaft was misaligned too far rearward…when the deck would lower as it followed the contours of the ground the shaft couldnt extend far enough…essentially the PTO shaft was acting as a “stop chain” and the weight of the deck, etc.. was hanging off the shaft… This spring he aligned the PTO Drive shaft, replaced the PTO shaft and replaced the front & rear bearings…
Been 300 hours of mowing since and its still smooth as silk…

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