Rivet Counter HO Scale BSC F68DH Flat Car, Undecorated (Run 1) Introduced in 1969, the Bethlehem Steel Co. (BSC) F68-series of 100-ton, 68’ foot long (over end sills) flats represented a new generation of high-capacity flatcars. The F68CH version was a general purpose flatcar while the F68DH was designed for heavy-duty loads. Retail: $54.99.