TCDD (Turkish Republic Railways) 45171 Class is a class of 2-8-0 steam locomotives. The class was formed when 50 USATC S160 Class were bought in 1947.
TCDD also acquired USATC S200 Class 2-8-2s which formed the 46201 Class.
Two, have survived to preservation; 45172 at Çamlık Railway Museum and 45174 at the TCDD Open Air Steam Locomotive Museum in Ankara. Numerous other S160s also exist.