You sure don't see motive power like this any more. A wb drag rumbles along San Pablo Bay with a SD40M-2, Dash 8 40C, SD60M, GP38, and GP40-2.
A patched SP SD40M-2 leads a Roseville to Newark freight through Rodeo, just north of Hercules along the Cal-P. Nikon D70, 18-70mm.
An interesting gaggle of older and leased motive power on a westbound merchandise train.