Atlas Master 20006732 HO ACF 5701 Covered Hopper, ACFX #98086Atlas Master 20006732 HO ACF 5701 Covered Hopper, ACFX #98086 Part Number: 840245202070 Description A Atlas Master 20006732 HO ACF 5701 Covered Hopper, ACFX #98086 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 companies, chemical companies, oil companies, and plastics