Athearn RTR 73733 HO Scale EMD SD40 Southern Pacific SP "Kodachrome" 7303 DCC & Sound Roadname_QSOX From the railroad companies perspectives

From the railroad companies perspectives

and a flashing light

Era: 1978 to Present

creating the 8-40BW

Athearn RTR 73733 HO Scale EMD SD40 Southern Pacific SP "Kodachrome" 7303 DCC & Sound Roadname_QSOX From the railroad companies perspectivesAthearn RTR 73733 HO Scale EMD SD40 Southern Pacific SP "Kodachrome" 7303 DCC & Sound Southern Pacific instituted a rebuild program for their SD40s in 1980 1981. The units were updated to Dash 2 electrical standards, as well as receiving electrical cabinet air filters just behind the cab on the firemans side. They were placed in the 73XX number series. A few units received the attractive red and yellow paint scheme of the proposed Southern Pacific