I sent my son to get the used baler I bought from JD dealer and he comes home without the hitch. This baler isn't usable without the hitch from what I can tell. Is this hitch an optional item? I see they sell Cat 2-3 and a Cat 4 version but at $713 for it, I am ticked it didn't come with the baler. I thought I would collect comments from those that have purchased 348s in the past before I raise hell. Don't I have to have one version of this hitch?