4 unit set of GP-40X s with westbound at Colton Tower

4 unit set of GP-40X s with westbound at Colton Tower
UP changed their strategy somewhat going with high output 4 axle power. a departure from the "bigger is better" school of thought. it seems that they did not purchase to may of these, so perhaps they rethought this.
Date: 6/15/1980	Location: Colton, CA Map	Views: 628	Collection Of: Clark Gillis
Locomotives: UP 9002(GP40X) UP 9000(GP40X)			Author: Clark Gillis

Picture Categories: Action		This picture is part of album: Union Pacific in Los Angeles area late 1970s

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User Comments

Name	Type	Comments	Date

Alan Fricker	General	Weren't the GP40xs test beds for what became the GP50?	10/30/2015 9:32:08 PM

Clark Gillis	General	Pretty sure that was the case. The GP-40x were rated at 3500 horsepower vs 3000 for standard GP-40, so that would seem logical.	10/31/2015 10:51:49 AM

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