is a 1 amp DCC board replacement mobile decoder. It is designed to easily replace the light board for solder free installation in an American Z Line GP-30 and GP38-2. It can also be used with the Budd RDC, which requires some soldering to do the install. The decoder is also compatible with most American Z Line diesel locomotives with a 5-digit part number, including the announced future releases such as SD70/75, GP7/9, AC4400, C44-9W, GP38-2, F3, F7 and the SD45. The decoder comes with surface mounted LED lights for forward and reverse headlight functions featuring Digitrax FX3 prototypical lighting effects. In addition the decoder has the Digitrax LocoMotion® system to let your locomotive run like the real thing. The Digitrax LocoMotion® System features Torque Compensation, 128 speed step operation, programmable momentum, user selectable normal direction of travel, switching speed and programmable speed tables. The decoder is also equipped with scalable speed stabilization, Digitrax Transponding, motor isolation protection, 2 and 4 digit addressing and advanced consist function controls. The decoder functions silently in supersonic mode and is compatible with non Digitrax DCC systems.