Not a slug, but a cab-less booster. It was converted during 1958 because of a yard collision. It received a MU connection, and it was paired with a SW-9; the consist was used as a hump engine at TY. The crankshaft failed during 1966; it was retired during 1968.
Thanks Karl. I have acquired a good slide which will be queued for future display on the Frisco Archive. Charlie
A good photo of that slug has appeared in the railfan/modeling press at various times attributed to (both) phototographers David Ingles and Emery Gulash. TAG 1014
See my "Roster Tales" article "The Headless Humpster", published in one of the earlier issues of the Frisco Museum's newsletter. I'm away from home right now, so I can't identify which issue it was in. It was about S-2 SLSF 292. Ken
Back home. FYI, for those who might be interested, my "Headless Humpster" article on Alco S-2 SLSF 292 was in the Volume 3, Number 1, June 1988 issue of the Frisco Museum's "All Aboard" bulletin. Ken