What's your clutch pack pressure?
The WSM outlines how and where to test. WSM (the correct one) is required for proper diagnosis of GST. In the book, it also gives you a diagram of the system(s) that control the gst pack and gst valves.
Traveler fluid is hydraulic fluid, is not great for hydraulic clutches. Likely already soaked into everything so it's too late. Should have used Super UDT2 and nothing else. Yeah it costs more, and for good reason. You get what you pay for.
Also that traveler fluid is different in it's viscosity and lubrication characteristics. I know when tractors have it in them just by the feel of the GST. Seen many many stuck valves in M40's and MX's and Grand L's due to junk traveler fluid. On the M40's with cab, gotta lift the cab to get to the valve in a lot of cases, so owner saved $150 total using junk fluid, then when I have to pull the cab up to access the valve, just spent his savings and a whole lot more to offset it. Never seen one stuck that used super udt2, that I can remember-and I'd probably have remembered.
compatible with kubota my foot. What specification are they "compatible" with? They don't list a specification. Or maybe the bucket that it's shipped in is compatible. You never know because they don't tell you, which is exactly why I said it might as well be knockoff garbage from china.