Bought a Deere 319D last week, changed every single fluid and filter before running it, ran it today sure operates a lot different then the Case's i'm use to, but I found even as I got use to it, if i'm driving, bucket up/down, and tilting at once it's kind of jerky. I'm running H pattern, didn't try ISO to see if it changes. If i'm strictly running bucket or moving it seems to be ok, likely mostly getting use to controls. But occasionally just seems jerky? I don't know if it's normal, but seems a bit off. Hydraulics are filled with Shell 0w40 synthetic.