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The K1D4 is a N-scale drop-in decoder designed for Kato and Athearn locomotives. Examples include the following Kato: SD70ACe, SD40-2, GG1. TCS K1D4-NC drop-in decoder for Kato and Athearn Locomotives 1318.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.