PROTO 1000 EMD F3 locomotives are perfect for powering trains on your HO Scale railroad. Dressed in authentic paint schemes, they have all the performance features you want including all-wheel drive and electrical pickup, dual machined brass flywheels, directional LED headlight, NMRA DCC eight-pin plug for easy decoder installation and PROTO 2000 knuckle couplers. Each set includes a powered A and a powered B unit.