This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included with this motherboard is a KA4 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled sound and interruption-free performance.


NOTE: This product does not function without a decoder. Pick up an EU621 or WOW121 decoder to use this product.


Dimensions: 46mm x 17mm x 5mm

Scale: HO Scale

Compatibility: WOW121-Diesel

TCS AS-MB2 Motherboard

SKU: TCS-1623