Athearn ATH98542 HO Sound Ready Underframe, SD40/45 Receivers SPECS: Height: 3" to 5"

SPECS: Height: 3" to 5" (78-130mm)

Robart 650 Straight RoboStrut 3/8"

Integrated body-post mount

Dimensions: 6

Athearn ATH98542 HO Sound Ready Underframe, SD40/45 Receivers SPECS: Height: 3" to 5"Athearn 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