The 5660 Pressure Differential (PD) Covered Hopper was introduced in 1999 by Thrall Industries, as the most advanced design in the evolution of Pres-sure Differential Covered Hopper, a special breed within the covered hopper family. Production still continues today under the TrinityRail brand, following Trinity’s purchase of Thrall, with nearly 4,000 examples already built.

Features:

• Ready to run

• Injection molded plastic

• Fine scale detail

• Separately applied wire grab irons/wire cut levers

• Etched metal roofwalks

• Crisp painting/printing