Prototype Fast Breeder Reactor (PFBR), a 500 MWe, sodium cooled, fast breeder reactor is in advanced stage of construction at Kalpakkam, TamilNadu. The different types of subassemblies are handled with different fuel handling machines, inside and outside the reactor vessel. Spent subassembly Storage bay Transfer Machine (SSTM), is one such machine that handles spent fuel subassemblies, blankets...