BLI 4376 HO Scale S1 6-4-4-6 Duplex American Railroads 6100 Paragon4 Hybrid ESC - Drag Car Kalmbach 12804 Model Railroader's Guide

Kalmbach 12804 Model Railroader's Guide to Piggyback and Container Traffic

without flickering or dimming as the battery voltage changes

See-through radiator and dynamic brake fans w/etched brass grilles

Posable and flexible

BLI 4376 HO Scale S1 6-4-4-6 Duplex American Railroads 6100 Paragon4 Hybrid ESC - Drag Car Kalmbach 12804 Model Railroader's GuideBLI 4376 HO Scale S1 6 4 4 6 Duplex American Railroads 6100 Paragon4 Hybrid 1939 Worlds Fair Appearance Nicknamed The Big Engine, and appropriately so, the PRR S1 was a experimental duplex locomotive of the Pennsylvania Railroad. It was designed to demonstrate the technological advantages of the duplex drive wheels. It was recognized as having the longest (140 ft 2 inches) and heaviest (608,170 lbs.) rigid from reciprocating steam locomotive ever