Trainz Product Id: 11477263

it was able to customize its Dash 8's for each buyer to an unusual degree

This is a Northeastern Scale Lumber 40104 O Scale Corrugated Paper Roof 3 x 8 (5)

The dimensions for this kit are:

Trainz Product Id: 11542683

Lionel 6-17755 D&H 50' Double Door Boxcar #25025 ProductID_12103657 Trainz Product Id: 11477263This is Lionel 6 17755 O Delaware & Hudson DD Boxcar. Delaware & Hudson scale 50' double door boxcar with end doors #25025. Based on standard AAR designs, Lionel 50 double door boxcars are accurate, finely detailed models of a freight car widely produced in the late steam and early diesel era. The extra length and added side door were especially useful for automobile and furniture loads. Many railroads also owned a version that featured swinging doors