This 1959 Ford F100 short bed still runs its original 223-cubic-inch straight six backed by a three-speed manual, riding on Cragar SS mags and white letter tires. It comes from the model year Ford stopped outsourcing four-wheel-drive conversions to Marmon-Herrington and started building its own 4×4 pickups in house. Roughly 157,000 F-100s were built that season across every body style Ford offered. Read on to find out why an unmodified base-model work truck has become one of the harder things to find.