N Scale: Atlas Master® USRA Double Sheathed Box Car - Northern Pacific
The original USRA (United States Railway Administration) design box cars date from World War I when car designs began to be standardized. The double sheathed version was the first widely accepted 40-foot steel underframe box cars placed in service. Some 24,500 cars were delivered to 24 different railroads throughout the country.
- 5-5-5 or 7-8 steel ends
- Fishbelly or standard center sill
- Vertical or end mounted brakes
- Steel or wood doors