These are opened packages and are used

and a detailed undercarriage

15 Trolley Announcement FasTrack®

and RP-25 Metal Wheels

Digitrax BD4N DCC 4-Block Occupancy Detector ProductID_11680077 These are opened packages andThis is a Digitrax BD4N DCC 4 Block Occupancy Detector. Low cost, High sensitivity DCC block occupancy detection. Adjustable resistance current detection section (DS) trip threshold. 8A capacity, suitable for all scales and track wiring configurations. Noise resistant and compatible with BDL168 sections. On board status leds for stand alone occupancy and track power indication, expandable for optional LT5 or fascia mounted occupancy indicator leds.