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Read articles →This is a full hands-on walkthrough of draining and refilling the MX5200 HST's transmission/hydraulic system, not just a parts overview. It shows exactly which of the four drain plugs actually matter, filter locations and part numbers, inspecting the magnetic filter ring for metal debris, refilling with Super UDT2, and using the sight glass to hit the correct level. Useful for owners planning to DIY this specific service.
Posted by the Just Tinkering channel, an owner doing the work themselves on their own tractor.
No. The front Allen-head plug is unnecessary since it produced no oil once the big rear plug was drained; only three plugs (one big, two small rear ones) actually matter.
The hydraulic filter is HHT AO-5999-00 and the transmission filter is HHT AO-377-10, confirmed by cross-referencing numbers on the old filters.
Kubota brand Super UDT2, though the manual says Super UDT1 or 2 can be used; fill until visible in the sight glass window.
About nine gallons were used during the refill, while the manual states the system holds 11.6 gallons total, with some remaining in lines and cylinders.