F7 B locomotive. Diesel EMD F7B Unit Powered w/Sound & DCC. DCC and SOUND. Factory Installed DCC and Quantum Sound. Starting in 1945, the basic design underwent a number of changes, resulting in the F2, F3 and F5.
F7 B locomotive. Diesel EMD F7B Unit Powered w/Sound & DCC. DCC and SOUND. Factory Installed DCC and Quantum Sound. Starting in 1945, the basic design underwent a number of changes, resulting in the F2, F3 and F5.