I have no idea what exactly these are. The numbers are correct, and they are rebuilt for sure.
I think these came from a steam turbine plant that closed. And have been in my warehouse a few years. Many more in someone spare parts area. I have 7 of these. If I can provide more info, please ask. FEEDBACK WOULD BE GREATLY APPRECIATED ONCE YOU RECEIVE YOUR ITEM. IF THERE IS A PROBLEM, PLEASE CONTACT ME BEFORE LEAVING FEEDBACK SO WE CAN ADDRESS ANY CONCERNS YOU MAY HAVE. THEY ARE OUR OBSERVATIONS AND OPINIONS OF THE PRODUCT AND MAY OR MAY NOT BE THE SAME INTERPRETATION AS OTHERS. WE DO NOT HAVE EXTENSIVE KNOWLEDGE OF EVERYTHING WE SELL. PLEASE REVIEW DESCRIPTION AND PHOTOS AS TO CONDITION OF ITEMS AND/OR WHAT IS INCLUDED WITH ITEM. PLEASE CHECK OUR OTHER AUCTIONS, AS THERE ARE MANY LISTED, AND WE CONTINUE TO PLACE ADS.