Union Pacific 3900 Series 4-6-6-4 Challenger drawings, engine only- Boxes – Driving Arrangement (5)
SKU/Drawing Number: #163-CA-32183 C
![](/cache/web/images/original_134.gif)
Wheel Arrangement: | 4-6-6-4 |
Scale to 1 ft.: | 3” |
Drawing Title: | Boxes – Driving Arrangement (5) |
DWG. Size (in): | 30x21 |