With its characteristic emulation of the sound of a Boeing 737 at takeoff, the 425 nears the top of the grade out of Tamaqua, hammering the 140-pound jointed rails of the old Reading Railroad.
The first annual Reading and Northern Autumn Leaf excursion arrives at Jim Thorpe, PA, with Pacific 425 and SD40-2 3052 lead the way towards the station, which lies just around the corner.