50004801 N Westvaco Airslide Covered Hopper, Westvaco 45986 (black, blue)

The 4180 cubic-foot covered hopper was introduced in 1962 and about 5,00 were built through 1980 when the taller 4566 cubic-foot design succeeded the 4180. During that time a little of 5,000 were built. The 4180 Airslide Covered Hopper features etched-metal roofwalks, fine-scale detailing, accurate decoration, smooth-rolling trucks and AccuMate(R) magnetic knuckle couplers.