The cars are 9-1/2 inches long over couplers

Here is a Fox Valley Models 30308 HO Scale Baltimore & Ohio Wagontop Boxcar #380645

The Trainz SKU for this item is P11478767

This is a USA Trains 22215 G Soo Line GP38-2 Powered Diesel Locomotive #4420

Model Number: 6-48428

Broadway Limited 4480 HO N&W Class A 2-6-6-4 Steam Loco #1238 with 22i Tender ProductID_11823118 The cars are 9-1/2 inchesThis is a Broadway Limited 4480 HO Scale Norfolk & Western Class A 2 6 6 4 #1238 with 22i tender, with roller bearing siderods, Paragon3 Sound DC DCC. 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, Synchronized Puffing Smoke with each Chuff, Variable Puffing Smoke Intensity and Timing, Locomotive