The Willys Jeep Station Wagon, introduced in 1946, was the first mass-produced all-steel station wagon designed to replace the fragile, high-maintenance "woodie" wagons of the era. It was a pioneer of the modern SUV, offering an optional four-wheel-drive system starting in 1949. The Willys Jeep Utility Vehicles included the Station Wagon, Utility Wagon and the Panel Delivery