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Read articles →This is a hands-on DIY walkthrough of replacing both hydrostatic transmission filters on a Kubota L3301, not just a parts overview. It shows loosening a factory-tight filter (with the paint-buildup tip), preloading the new filter with fluid, draining and topping off the HST fluid to the dipstick line, and checking for leaks afterward. Useful for L3301 owners doing this specific maintenance job themselves and wanting real-world friction points, not a clean shop demo.
Posted by Peterson Farms of Nashville, a homesteading DIY channel documenting their own hands-on maintenance on their L3301, not a dealer or professional shop.
It is factory tight partly due to paint buildup applied after the filter was installed, so cutting around the filter edge with a knife helps break it loose.
There are two filters, one on the passenger side (the larger hydraulic valve filter) and one on the driver side near the step (the smaller HST filter).
Clean around the dipstick, fill with Kubota HST fluid, and check the dipstick until fluid reaches the top line, then let it run and recheck.
Yes, pour a little new hydrostatic fluid on the seal and preload the filter slightly to avoid a dry gap when installing.
