Atlas Master 20006739 HO ACF 5701 Covered Hopper, XOMX #57714Atlas Master 20006739 HO ACF 5701 Covered Hopper, XOMX #57714 Part Number: 840245202148 Description Atlas Master 20006739 HO ACF 5701 Covered Hopper, XOMX #57714 Atlas Master 20006739 HO ACF 5701 Covered Hopper, XOMX #57714 The 5701 cubic foot covered hopper was introduced in the early Seventies for transporting bulk plastic pellets. Since 1972 ACF has built nearly 15,000 cars. Most of these were acquired by private companies including leasing