Next Shipment February 2026
HO Sound Ready Underframe, SD40/45
Athearn - ATH98542
$29.98
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HO Sound Ready Underframe, SD40/45 Features
- Streamlined DCC speed curves
- Lower motor current draw
- Quieter motor operation for DCC Sound
- Earlier models that don't have the Sound Ready starburst on the box will require this underframe in order to use the Genesis Motor Retrofit Kit (ATHG63839) available separately.
- Simple Installation
- Includes all weights
- Included mounting screws
- Integrated speaker box