In OCT '93, a trio of EMD demos were testing on Santa Fe leading Los Angeles to Chicago stack train SLACH east through Pisgah, CA.
The EMD SD-70M demo units pass through KCS's Knoche Yard, sometime in 1993
A trio of EMD demo SD70Ms plus test car lead Los Angeles to Chicago stack train SLACH through Dagget, CA
a trio of EMD SD70M demos lead eastbound Santa Fe Los Angeles to Chicago train SLACH as it descends Ash Hill on the Needles Sub in the Mojave Desert.