Union Pacific 3900 Series 4-6-6-4 Challenger drawings, engine only- Brake – Engine – Driver Brake Arrangement(3,4,5)
		SKU/Drawing Number: 204-CA-31188
			| Scale to 1 ft.: | 1 1/2” | 
| Wheel Arrangement: | 4-6-6-4 | 
| Drawing Title: | Brake – Engine – Driver Brake Arrangement(3,4,5) | 
| DWG. Size (in): | 31x94 |