I've worked on those cylinders many times over the years. Been working at a hydraulic shop since 1993...that's all we do.
Bailey's, Surplus Center, Dalton Hyd, Baum, none of these are gonna have a direct replacement. If ya want to retrofit something, then give 'em a try.
The rod may be ok, but I've seen 'em bend along with the tube even if they're extended. You could try Second Steel, they're a second hand Cat outfit; but most every cylinder we have gotten from them needed be rebuilt before it could be used.
Best way to go is to have a shop make a new tube for the one you have. We do it all the time. Way less than buying a new one from Cat.
The outfit that we get our seal kits from lists 2 different seal kits for that cyln at $141 or $165. You don't want to go back with the old ones.
PM me if ya need more info...hydraulics is what I do.
Thanks so much Larry (and everybody). I was asking for my brother-in-law, so I will forward your message to him. I don't think he uses it to generate revenue, so he has time to look around for the most economical solution. I was kinda hoping somebody would say "I have one of those - I'll sell it to you for $500.00." Hahahah! Thanks again y'all :-)