Pressure Differential

Our pressure differential hopper car component range supports American Car and Foundry (ACF), National Steel Car (NSC), Trinity Industries / Thrall Car Manufacturing Company designs, including the Trinity PowerFlo II, and includes aerator pads, hatch covers, cam lever assemblies, Y pipes, and hundreds of other components engineered to fit all makes and models of PD cars.

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American Car and Foundry (ACF)

ACF Pressure Differential Hopper Cars are a specialized covered hopper railcars designed to unload dry...

National Steel Car (NSC)

An NSC Pressure Differential Hopper Car is a specialized covered hopper railcar manufactured by National...

Trinity I/ Thrall

A Trinity / Thrall Pressure Differential Hopper Car is a covered hopper railcar engineered to...

Trinity Powerflo II

A Trinity PowerFlo II® Pressure Differential Hopper Car is a specialized covered hopper railcar designed...