EMD GP7 Diesel Locomotive - DCC Equipped - D&RGW #5102 - N Scale. The first General Purpose locomotive, introduced in 1949, the GP7 had the distinctive design and low-cost maintenance features that made EMD's "Geeps" so popular and helped ensure diesel's dominance of the railroads. Bachmann's model includes advanced features such as an NMRA-compliant DCC decoder, LED lighting, and Fine scale detailingall now fitted to N scale. Features include: DCC-equipped for speed, direction, and lighting, dual-mode NMRA-compliant decoder, all-wheel drive, can motor, super-quiet drive train, die-cast chassis, Fine scale handrails, blackened metal wheels, directional lighting, NMRA wheel profile, E-Z Mate Mark II couplers.