Atlas 50006856 N Scale Trinity 5660 PD Covered Hopper CIT Group TCMX 75720 Servo Winch Coex 3D recommends drying Coex

Coex 3D recommends drying Coex 3D PETG at 65 °C for at least 3 hours

Athearn 24620 N Scale FGE 57' Mechanical Reefer Union Pacific ARMN 922042

The Southern Pacific made this modification sometime before 1956 to improve maintenance access for crews

The round profile is there too

Atlas 50006856 N Scale Trinity 5660 PD Covered Hopper CIT Group TCMX 75720 Servo Winch Coex 3D recommends drying CoexAtlas 50006856 N Scale Trinity 5660 PD Covered Hopper CIT Group TCMX 75720 The 5660 Pressure Differential (PD) Covered Hopper was introduced in 1999 by Thrall Industries, as the most advanced design in the evolution of Pressure Differential Covered Hopper, a special breed within the covered hopper family. Production still continues today under the TrinityRail brand, following Trinitys purchase of Thrall, with nearly 4,000 examples already built.