I purchased a Polly 3 from a dealer in May last year. New hydraulic and steam tests. Ran fine with no horrible noises just a leaking regulator . Taking it apart for a much needed re paint revealed over 1mm play in the coupling rod bushes and some play in the eccentrics. Typical wear points .All easy to fix at no great explense . Don't rely on purchasing new spare parts to replace those that need attention . The prices are !!!!!