Looks like it is still available to me. Try your local Kubota dealer. Just drop the KB from the part number.
https://www.google.com/#q=kubota+19488-12110
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2264 with 54 GT deck
1641 AKA Black Jack with a 402-E Haban Sickle bar mower
JD317 dump truck
BX2670 with FEL
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