Rapido Trains 172004A HO Scale Procor 3000cuft Aluminum Hopper "Handrail & Worldmark" UNPX Car #4 Auto Reverser - DCC The development of the hopper

The development of the hopper car went along with the development of automated handling of such commodities

The suspension has an adjustable blue anodized aluminum V2 12mm big bore coil-over shocks

Bowser 42720 HO Scale 40' Boxcar Green Mountain GMRC 505

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Rapido Trains 172004A HO Scale Procor 3000cuft Aluminum Hopper "Handrail & Worldmark" UNPX Car #4 Auto Reverser - DCC The development of the hopperRapido Trains 72004A HO Scale Procor 3000 cuft Aluminum Hopper "Handrail & Worldmark" UNPX Car #4 In the early 1980s sodium chlorate began to replace chlorine as a bleaching agent in the paper making process. Historically, sodium chlorate had been transported in solution form in tank cars. With significant increase in demand, a more efficient delivery method was needed. Transportation in crystal form by covered hopper car was a natural solution.