F-70-42 Flat Cars:
SP 515050-515099 (to SP 900183-900881) SSW 84634-84683 " " " " some cars eventually went to KCS
These 89'-0" flat cars were built by Bethlehem Steel Corp. in 2/1965. They featured 10" travel "Freightmaster" cushioning, ASF Ride Control trucks w/ Timken roller bearings and steel decking. They were originally equipped with W&K tri-level auto racks.
A photo of SP 515082 appears in Tony Thompson's SP Color Guide Vol I with a W&K rack.
A photo of SSW 84641 appears in the 8/22/1966 issue of Railway Age.