Rapido Trains 172004A HO Scale Procor 3000cuft Aluminum Hopper "Handrail & Worldmark" UNPX Car #4 Auto Reverser - DCC Fully Functional Reservoir Shocks

Fully Functional Reservoir Shocks

Late sub-base doors with lift-off hinges

But even with these challenges

Bowser 42720 HO Scale 40' Boxcar Green Mountain GMRC 505

Rapido Trains 172004A HO Scale Procor 3000cuft Aluminum Hopper "Handrail & Worldmark" UNPX Car #4 Auto Reverser - DCC Fully Functional Reservoir ShocksRapido 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.