Bachmann Trains EMD GP30 DCC Equipped Diesel Locomotive Nickel Plate #905 The EMD GP30 DCC Equipped Locomotive is easy to use and affordable, you can digitally control speed, lighting, and direction, compatible with all NMRA-compliant DCC systems Main track programming, 28-step speed control All wheel drive, can motor, die cast chassis, E-Z Mate Mark II couplers Compatible with conventional DC powered layouts Locomotive performs best on 18" radius curves or greater