Steel-side classic By Brian Schmidt | July 15, 2021 | Last updated on August 8, 2025 Email Newsletter Get the newest photos, videos, stories, and more from Trains.com brands. Sign-up for email today! Get Updates Steel-side classic Pacific Fruit Express’s largest class of steel reefers was the 5,000 cars of R-40-23 starting in 1947. They had improved Dreadnaught ends, fans, and steel running boards. Mainline Photos photo