The original box (with factory foam inner core) identifies this as a #6-18043 semi-scale (77" drivers instead of 74") streamlined Hudson locomotive.
This model is scale length,
It is now a two rail model running on DC. No Lionel electronics.
Joe at Baldwin Machine two railed this beauty and set it up for DC operation.
The overall length is 27" and has a Kadee coupler. Photos show it on a 28" Millhouse TT bridge.
$645.00. U.S. PO money order plus FedEx to 48 states.
Contact in profile.