Union Pacific 3900 Series 4-6-6-4 Challenger drawings, engine only- Painting Diagram (Grey color scheme for passenger locomotives)
		SKU/Drawing Number: #992-CA-33179 C
			| Wheel Arrangement: | 4-6-6-4 | 
| DWG. Size (in): | 22x16 | 
| Scale to 1 ft.: | not scale | 
| Drawing Title: | Painting Diagram (Grey color scheme for passenger locomotives) |