Also in our first release of the R-70-20, is the version of the car with the early roof and the Hydra-Cushion underframe. These cars were owned by the SP, which favored the Hydra-Cushion system. The car has PFE yellow sides, black ends and a white roof. The model includes etched metal details, wire details, 33 in. dia. metal wheelsets, and Kadee® #78 scale size couplers.