Train Control Systems 1557 B-MB4 Motherboard for HO Richmond 4-4-0
TCS-1557
This adapter board is designed to replace the existing circuit board in a Bachmann Raymond 4-4-0. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard KA2 and a 21-pin connector for quick decoder installation.
NOTE: this product does not function without a decoder