ColoradoRailfan.com Contemporary Railfanning in Colorado
Railroad photograph
Photo by: Kevin Morgan
A single AC4400CW brings up the back of UP's MJGNY as it rolls by the construction zone on Big Ten Curve. This particular AC4400CW was originally delivered in scarlet and gray as SP 207 in 1995.
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Wednesday, May 21, 2025 at 10:44:33
image date


Location Information

City or County and State
Arvada, CO

Subdivision
Moffat Tunnel (UP)

Milepost or Control Point
Big Ten Curve (MP 19.5 to MP 20.2)



Train Information
Railroad
Union Pacific 		Model
AC4400CW 		Primary Unit Number
UP 6312

Paint Scheme
UP Flag/Lightning/Wings 		Symbol
MGJNY-20 		Train Type
Manifest

Primary Unit Past Number(s)
ex- SP 207

Photo Information
Camera Make/Model
DJI / Mavic 3 Pro [FC4382] 		ISO
100
Flash
Did Not Fire

Focal Length
70 mm 		Shutter
1/1000 seconds 		Aperture
f/2.8

(Pre-UP 6312) - Photos of SP 207

08/11/2002