“GTW#113700 GTW 113700-113874 twin hopper” has been added to your cart. View cart NP#39731 Northern Pacific double sheath 40′ box car$9.00 15 in stock NP#39731 Northern Pacific double sheath 40' box car quantity Add to cart SKU: NP#39731 Category: Other Railways US Share this: Click to share on Facebook (Opens in new window) Facebook Click to share on X (Opens in new window) X Related products Add to cart GTW#591000 GTW 591000-591599 50′ double door box car green leaf $9.00 Add to cart GTW#441500 GTW441500-441849 40’L steel Box car 8′ door with wafer $9.00 Add to cart NP#120 Northern pacific 10ft diameter monad for watertowers $9.00 Add to cart CNR#300-7 Classic era GTW passenger car set – 2 sheets $16.00