the L1s No. 520 “Mikado,” the B6sb No. 1670 Switcher, the K4s No. 3750 “Pacific,” the M1b No. 6755 “Mountain” and the H10s No. 7688, Losiewicz said. According to the museum website ...

It was a B6sb-class engine, No. 5244, that was the last PRR locomotive in revenue steam service, retired in July 1959 off the Union Transportation Co. of New Jersey. Isolated from the general railroad ...

These locomotives — M1b No. 6755, K4s No. 3750, L1s No. 520, H10s No. 7688, and B6sb No. 1670 — are in need of stabilization before they are placed on exhibit in the Railroad Museum of Pennsylvania’s ...