Decoders and Accessories

The IMFP4-NF is a N-scale drop-in decoder which is designed for InterMountain FPA-unit locomotives. Examples include the following: InterMountain:FP7AFP9A See the installation pages for a full list of compatible engines! NOTE: This version...

The K6D4 decoder is specifically designed to operate the Kato N-Scale FEF-3 4-8-4 steam locomotive. Note: This decoder features a specialized motor control algorithm for use with the core-less motor used in the FEF-3. For use in other engines such...

The AZL1D4 is the first drop-in decoder designed for the latest generation of American Z Line diesel locomotives. The design features a screw-down design, unlike previous designs which relied on slide-on contacts. Examples of locomotives which this...

This motherboard is designed to replace the original lighting board in the Athearn Diesel Ready-To-Roll locomotives. Included on this motherboard is a KA2 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled sound...

The GEN-MB1 motherboard is designed to replace the original lighting board in Athearn's "Genesis" line of diesel locomotives. For a list of models with confirmed compatibility with this motherboard, check out our Installation Pages. Included on...

This motherboard is designed to replace the original lighting board in Intermountain and Bowser diesel locomotives. Created to fit the Intermountain ES44 as well as the Bowser S12, the IB-MB1 will fit a wide array of other locomotives. However, it will...

This motherboard is designed to replace the original lighting board in Intermountain and Bowser diesel locomotives. Created to fit the Intermountain SD40-2 as well as the Bowser C-636, the IB-MB2 will fit a wide array of other locomotives. However, it...

This motherboard is designed to replace the DCC decoder found in DCC equipped Intermountain and Bowser diesel locomotives. Created to fit the Intermountain ES44 as well as the Bowser S12, the IB-MB1 will fit a wide array of other locomotives. However, it...

This motherboard is designed to replace the DCC decoder found in DCC equipped Intermountain and Bowser diesel locomotives. Created to fit the Intermountain SD40-2 as well as the Bowser C-636, the IB-MB2 will fit a wide array of other locomotives...

This motherboard is designed to replace the original lighting board in Atlas and Kato diesel locomotives. Included on this motherboard is a KA2 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled sound and...

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...

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...