Proto 2000 920-67110 HO Scale USRA 0-8-0 Steam Loco Unlettered - NOS Arrma All Castle’s proprietary breakthrough technology integrates

Castle’s proprietary breakthrough technology integrates unique software and dedicated hardware to reduce heat and dramatically increase performance

Dozens of railroads and industries purchased the model

Next Generation Aerodynamics Lower Arm Design

CNC-machined brass wheels

Proto 2000 920-67110 HO Scale USRA 0-8-0 Steam Loco Unlettered - NOS Arrma All Castle’s proprietary breakthrough technology integratesProto 2000 920 67110 HO Scale USRA 0 8 0 Steam Loco Unlettered NOS (New Old Stock) Heritage Steam Collection Built to capture the rugged utility and unmistakable proportions of the famed USRA heavy switchers, the Proto 2000 Steam Collection USRA 0 8 0 Steam Locomotive delivers the kind of refined slow speed performance and finely executed detailing that made the Proto 2000 Heritage Steam line so respected among HO scale steam enthusiasts. Introduced