Athearn HO F3A / F3B Locomotive Set, SP #307, #505

Southern Pacific was a prolific user of EMD’s “Covered Wagons”, owning examples of the FT, F3, F7, FP7, and even rebuilt “F9M” models. SP Class DEF-1 and DEF-2 were delivered in 1947 and consisted of F3A and F3B units.