Or try Surplus center
http://www.surpluscenter.com/Hydraulics/Hydraulic-Cylinders/Tractor-Top-Link-Hydraulic-Cylinders/2X8-25X1-18-CATEGORY-1-HYDRAULIC-DOUBLE-ACTING-TOP-LINK-CYLINDER-9-7682-08.axd
I didn't do much research comparing the other models. When I ordered it I went on Kubota website and did a build and it was in my price range. And I only have 2 acres to play with.