traction

I have a CO-OP Traction Drive tire on my New Idea 12A manure spreader. It looks pretty old, but doesn’t have a date code. Just out of curiosity, I was wondering if anyone knew the approximate age of this tire type/ tread pattern. Attached are some photos. Thoughts? Thanks in advance y’all, TBN...

I’ve never seen these. Anyone try them? https://www.discounttirecenters.com/tires/view/199004/continental-conti-terra-hd3-19-5-225-70r19-5/

I recently purchased a used Toolcat. A 2007 5600. Always thought they looked very handy and wanted one. Found one that was extremely rusty but at a good price. I've set out restoring it. One thing that has surprised me is how little traction the machine has. It gets stuck at even the...