Bowser 43004 HO Scale 4 Bay Clamshell Door Hopper Erie 55012 Theme_Build Fighters Molded inner fenders with front

Molded inner fenders with front body hinge and scale radiator mount

Can transform into bird mode

Designed by the Pennsylvania Railroad in 1936 as a modification to its numerous K4s

Pre-built Stinger Wheelie Bar (1 pc)

Perfect for new suburbs or small towns

Bowser 43004 HO Scale 4 Bay Clamshell Door Hopper Erie 55012 Theme_Build Fighters Molded inner fenders with frontBowser 43004 HO Scale 4 Bay Clamshell Door Hopper Erie 55012 Pennsylvania Railroad's huge fleet of H21a 4 Bay Hoppers were some of the most common coal hoppers in North America. Bowser brings this iconic freight car to HO Scale. Constructed as H21 quad hoppers between 1911 and 1917 these hoppers became a PRR standard for hauling coal and coke with over 36,000 built by the railroad. During their lives some were sold off to other railroads including the