Athearn HO Sound Ready Underframe, SD40/45 ATH98542

Key Features

    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

Overview

Three benefits to Genesis power to your RTR Locomotives:

    Streamlined DCC speed curves
    Lower motor current draw
    Quieter motor operation for DCC Sound