Operating Era: 1909-1956. Now includes our One-Piece Roof Frame. This Kit is an R-30-4 Reefer built in 1909 by Pullman for PFE. These 500 cars were built just before the 1911 Safety Appliance Act, and as such, only operated in their original configuration until 1911, when they were rebuilt with to the Act's standards. Operating Era: 1909-1911. After rebuilding version: See Kit 4952.