SANTA FE LOCOMOTIVE HO SD40-2 ATSF 5020WITH DCC MAI TRACK PROGRAMMING,28 STEP SPEED CONTROL,FOR USE WITH ALL NMRA/NEM COMPLIANT DCC SYSTEMS,OPERATING HEADLIGHT,CAN MOTOR,E-Z MATE MARK II COUPLERS WITH METAL COIL SPRINGS, COMPATIBLE WITH CONVENTIONAL DC POWER SYSTEMS.