Athearn ATH98542 HO Sound Ready Underframe, SD40/45 E-Savage Parts Powerhobby 7075 Aluminum 23T Servo

Powerhobby 7075 Aluminum 23T Servo Saver Black Losi Promoto MX

Precision-molded from tough composite material

they are not intended for operation while completely submerged in liquid

Like every component in the Spektrum™ Smart ecosystem

Precision-machined aluminum construction handles the demands of scale crawling while adding a pop of color to your rig

Athearn ATH98542 HO Sound Ready Underframe, SD40/45 E-Savage Parts Powerhobby 7075 Aluminum 23T ServoAthearn ATH98542 HO Sound Ready Underframe, SD40 45 Overview: Three benefits to Genesis power to your RTR Locomotives: Streamlined DCC speed curves Lower motor current draw Quieter motor operation for DCC Sound 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