Exactrail Evolution EE1763-1 HO Scale Depressed Center Flatcar Norfolk Southern NS 185220 ReefsParts black in color Dirt-Tech inserts

black in color Dirt-Tech inserts known for their durability

Improvements from v1 include better drag brake

In volume 1

RS PRO 1-S equipped with built-in Booster

Exactrail Evolution EE1763-1 HO Scale Depressed Center Flatcar Norfolk Southern NS 185220 ReefsParts black in color Dirt-Tech insertsExactrail Evolution EE1763 1 HO Scale Depressed Center Flatcar Norfolk Southern NS 185220 General Steel Industries (GSI) offered one piece cast steel under frames in which the sill, body bolsters, cross bearers, draft pockets, couplers and carriers were combined into a single steel casting. These under frames were popular for Depressed Center Flats because the design maximized load strength while minimizing vertical height of fabricated under frames.