Hi Diablo and grumpy,
I have never seen an aluminium ring gear for a 590 or Diplomat 430. Turf Machinery Services that was fabricating the stamped steel version has ceased trading....so here's hoping that they are still available. wink
cheers


Please do not PM me asking for support. Please post your questions in the appropriate forums, as the replies it may receive may help all members, not just the individual member.
Kindest Regards, Darryl grin