Summary Hornby R7274 4 Pin DCC Decoder The 4-pin decoder, previously only available as a spare (X9659), is compatible with the 0-4-0 W4 Peckett from the 2020 range. The 4-pin decoder, previously only available as a spare (X9659), is compatible with the 0-4-0 W4 Peckett from the 2020 range.
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