21pin Adapter Boards
DCC Concepts - 21 to 8pin Adapter
21 to 8 pin adapters, making it easy for you to fit an NEM652 8 pin NMRA plug fitted decoder into a locomotive which has a 21MTC connector installed.
Unlike other adapters, DCCconcepts 21 pin adapters are already pre-wired with function 3 / Aux 1 /... more ...
more info on 21 to 8pin Adapter...This item is in Stock and available for dispatch
ESU - 21 pin Adapter Board
Allows you to add a 21pin decoder plug to your loco and neatly hardwire a loco, yet still allow you to remove the decoder as and when required.
more info on 21 pin Adapter Board...This item is in Stock and available for dispatch
ESU - 21 pin Adapter With Aux Outputs
This adapter board is meant for 21MTC decoders and is very helpful for converting old Märklin® locomotives, when AUX3 and AUX4 are also needed.
more info on 21 pin Adapter With Aux Outputs...This item is in Stock and available for dispatch
Gaugemaster - 8 to 21pin Adapter
Some manufacturers support 21 pin decoders in their locomotives. Given that this narrows down the choice of decoders available for modellers to use in their locomotives, a simple 8 to 21 Pin adaptor immediately enables modellers to use almost any decoder... more ...
more info on 8 to 21pin Adapter...Only 1 remaining in stock
Nixtrainz - Decoder Buddy Mini
The Decoder Buddy Mini was developed to fit into smaller steam and diesel applications.
21 Pin Decoder not included!
This board requires soldering and is not intended for use in DC Systems
The mother board includes;
One 21 Pin... more ...
more info on Decoder Buddy Mini...This item is in Stock and available for dispatch
Nixtrainz - Decoder Buddy v5
This product is versatile in terms of direction of the placement of the board and mounting in various configurations. It can easily replace a QSI board, a Dual Mode decoder board or be mounted directly on the electric motor or frame with Kapton tape. ... more ...
more info on Decoder Buddy v5...This item is in Stock and available for dispatch
SoundTraxx - JST-21PNEM Adapter
Easily adapt any SoundTraxx 21PNEM decoder to an NMRA 9-Pin DCC "quick plug" equipped model. This adapter can also be used with SoundTraxx 9-Pin JST power harness (p.n. 810069) to create a universal-style decoder.
Dimensions: 22.5 x... more ...
more info on JST-21PNEM Adapter...This item appears to not currently be in stock
Zimo - Adaptor Board for 21 MTC
Adapter Board for "21MTC" decoders; the decoder is plugged into the connector of the adapter. Large solder pads aid the wiring inside of the locomotive. The adapter board ADAMTC is equipped with a rectifier, which relieves that built into the decoder,... more ...
more info on Adaptor Board for 21 MTC...This item appears to not currently be in stock
This item is on back order with our suppliers