Here is an Aristo-Craft 31302 G Baltimore & Ohio Standard Heavyweight Coach Car that features operating knuckle couplers

The Trainz SKU for this item is P11379479

The Trainz SKU for this item is P11460545

The Trainz SKU for this item is P11574244

Broadway Limited 4602 HO Baltimore & Ohio USRA Heavy Pacific 4-6-2 #5303 ProductID_12055747 Here is an Aristo-Craft 31302This is a Broadway Limited 4602 HO Scale Baltimore & Ohio USRA Heavy Pacific 4 6 2 President Madison, Paragon3 Sound DC DCC #5303. It Features: NEW Paragon3 Sound & Operation System FEATURING ROLLING THUNDERTM with Authentic Sounds and Prototypical Operation in both DC and DCC environments, Factory Installed Engineer Fireman Figures, Locomotive Composition: ABS Body with Diecast Chassis, Tender Composition: ABS Body with Diecast Chassis, Couplers: (2)