Funny you mention the issues, there was one advertised private near me about 6 months ago, the seller basically said it’s a piece of crap and wanted it gone, said it was real tippy and he got it with a leaky pump. Had about 300hrs on it from memory.Sumitomo makes the Link-Belt and Case excavator lines. My experience in the past is that they work fine for 5,000 to 8,000 hours when lots of aggravations begin to show up. They are usually less expensive to purchase but the revenue for the manufacturer and dealers is in the extra parts and services costs as they get older.