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Read articles →This is a hands-on repair video, not a review: an owner tears down the gear shift linkage cover on a 1987 Kubota L2550 GST with 4,100 hours to fix a long-standing oil leak from two O-rings. He shows the disassembly, points out the specific O-rings involved, and references the Kubota Forum for parts info. Useful mainly for L2550 owners chasing the same leak.
Posted by an owner doing his own repair on a tractor he's had for years, sharing practical DIY findings rather than a polished tutorial.
Two O-rings behind the shifter controller leak, which the owner says is very common on these transmissions.
You take apart the whole transmission cover, then disassemble from the outside to reach the two O-rings, numbers 30 and 20.
The owner says there is really no need to replace them unless you have to take them apart, though they are cheap to get.