These colorful WalthersMainline Pacific Car and Foundry 50' Insulated boxcars are right at home on HO Scale layouts from the 1960s to 2000s. Based on class RBL prototypes with insulation and load restraints, the prototypes were shipper favorites for food, beverages, packaged chemicals and finished wood products. Ready for service, each model featThese colorful WalthersMainline Pacific Car and Foundry 50' Insulated boxcars are right at home on HO Scale layouts from the 1960s to 2000s. Based on class RBL prototypes with insulation and load restraints, the prototypes were shipper favorites for food, beverages, packaged chemicals and finished wood products. Ready for service, each model features: