Athearn ATH98542 HO Sound Ready Underframe, SD40/45 Summit Parts Part number LOS232076

Part number LOS232076

supplied fully assembled

(4) Metal Field Plates

The high-speed 40mm fan delivers strong airflow across the ESC heatsink to help control heat during extended runs

These mount to your existing retracts or fixed landing gear

Athearn ATH98542 HO Sound Ready Underframe, SD40/45 Summit Parts Part number LOS232076Athearn 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