800-5401 AR-2 Automatic Reverse Circuit with Adjustable Delay 1-3-Scale 300 gallon fuel tank that

300 gallon fuel tank that filled the entire space between the trucks

Different light and sound functions

complete with a wonderfully detailed 4

All models feature either 8-spoke

800-5401 AR-2 Automatic Reverse Circuit with Adjustable Delay 1-3-Scale 300 gallon fuel tank thatBD 2 Block Occupancy Detector Current Sensing Details: The CIRCUITRON BD 2 is a highly sensitive integrated circuit block occupancy detector designed for reliable operation across virtually all model railway scales and track power systems, including most forms of command control. It detects the presence of locomotives and lighted rolling stock by monitoring current draw through the rails, providing accurate and responsive block occupancy indication.