You likely made the right choice by not buying the machine. I have a Viking 6000 SL model 6460 which likewise was promoted as not needing to be oiled. The machine was my mother's and had not been used in many years prior to her death. I took it to a repair shop and was told, "Throw it in the dumpster." I almost did, but thought better of it and took it for a second opinion at another shop. The man there cleaned and (yes!) oiled it. She's still a stiff old grandma, with a hand wheel that's difficult to turn, but she sews a beautiful seam and now is my dedicated string piecer. I love her, however had she not belonged to my mom I probably would have passed her up.