Decoders and Accessories

This motherboard is designed to replace the existing circuit board in a Walthers Proto 2000 Heritage 0-6-0 and 0-8-0. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard Keep Alive® for uninterrupted performance over...

This motherboard is designed to replace the existing circuit board in a Bachmann Heavy 4-8-2. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard Keep Alive® (KA2 style) for uninterrupted performance over troublesome...

This motherboard is designed to replace the existing circuit board in a Bachmann Baldwin 2-8-2. This board is designed to receive a WOW121 or EU621 decoder and provides an onboard Keep Alive® (KA2 style) for uninterrupted performance over troublesome...

This motherboard is designed to replace the existing circuit board in a Bachmann Richmond 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. The B-MB4 is...

This motherboard is designed to replace the original lighting board in Bachmann steam engines including the K4 steam. Included on this motherboard is a KA3 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled...

This motherboard is designed to replace the original lighting board in Bachmann steam engines including the 4-6-0. Included on this motherboard is a KA3 Keep Alive® for smooth operation over troublesome tracks. Pair with a WOW121 for unparalleled sound...

Digitrax Easy Connect 8 Pin Plug to 8 pin DCC medium plug Motor & Function Decoder that fits many N and HO Scale Locos.    Size: 0.87” x 0.4” x 0.2”    22.16mm x 10.28mm x 5.1mm    N...

1 Amp (1.25 Amp peak) rating and two function outputs. Size: 0.34" x 0.70" x 0.120". Dimensions0.34" x 0.7" x 0.12" 8.6 x 18 x 3.2 mm

Make your WalthersMainline streamline car shine with this easy to install interior lighting kit. With parts for one complete car, it includes an assembled LED light bar, die cast 41-N-11 trucks with turned metal 36" wheels, body-mounted coupler boxes...

The exclusive "Sounder" is a sound-only decoder and speaker that's easily added to any HO locomotive equipped with a standard, non-sound decoder or even any piece of rolling stock being pulled by the locomotive equipped with wheel pickups. The...

The exclusive 16-bit "Sounder" is a sound-only decoder that features six prime mover sounds MP15/SD45/ALCO539T/ALCO 244/SD70/EMD567B with a speaker that is easily added to any HO locomotive equipped with a standard, non-sound decoder or even any...

TCS Keep-Alive® (KA) devices are used to supply power to decoders during times of power interruption due to dirty track or problematic track work.  Newly-redesigned at half the size of a KA3, the KA1 will power HO or N scale locomotives with...