T2290 HST Fluid Change

sivicman

Active Member
I changed the transmission fluid and filter on my T2290 w/245 hrs. Kubota says to change it at 600 hours. It took 3 qts. of 20W-50 oil. I went with Castrol GTX with the higher zinc content. I had to unbolt the axle from the frame, and lift the mower up away from the axle to access the fill plug. There is no way to get a funnel in there with the frame just above the fill hole. Dumb design on Kubota's part.
 
Doubt a trans needs any zinc at all.

Most oils have similar zinc levels these days. Not like one brand has a considerable amount over brand Y.
 
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