Union Pacific 3900 Series 4-6-6-4 Challenger drawings, engine only- Spring Rigging Arrangement (4)
		SKU/Drawing Number: 775-CA-30976
			| Scale to 1 ft.: | 1 1/2” | 
| Wheel Arrangement: | 4-6-6-4 | 
| DWG. Size (in): | 17x66 | 
| Drawing Title: | Spring Rigging Arrangement (4) |