These cars were Budd built with fluting below the window panels. The cars were delivered in July of 1950 to Southern Pacific for use on the "Sunset Limited." The dormitory section had 5 rooms that could accomodate 27 crew members. There were wardrobes and a shower for crew use. They were stainless steel with a red stripe above the windows. They were numbers 3102 to 3106 and all 5 were sold to Amtrak in 1971.