This is a Walthers 910-5668 HO Great Northern 40' 50-Ton Drop-Bottom Gondola - Ready to Run #74343

Model Number: 41329

Model Number: 6-85373

Trainz Product Id: 11552728

Walthers 933-3158 HO Scale Roof Detail Plastic Kit LastUpdated_20260108034439 This is a Walthers 910-5668This is a Walthers 933 3158 HO Scale Roof Detail Plastic Kit. Detail the most visible area of your HO Scale buildings the roof! This highly realistic set is a great value, with parts for 62 vents in 10 different styles. A surprising variety of vents are found on industrial buildings, so you can install several styles as desired. You'll also find smaller vents on commercial buildings, such as restaurants. With some careful cutting and fitting, many can