Built in 1963 to Pacific Car & Foundry design plans, these R-70-13 class mechanical reefer with Barber Roller Bearing trucks were around 4,000 cubic feet in capacity and about 50' feet in length. It features included a cushioned underframe and load dividers. They were later transferred to Southern Pacific Fruit Express. Pacific Fruit Express, a joint venture between Union Pacific and Southern Pacific, was founded in 1906 and continued jointly until 1978 when the assets were divided between the two railroads.