Did Union Pacific EMD E7's Haul Freight Also?

Did the UP E-7 diesel engines haul freight or were they used for passenger service only?
Thanks
Jim

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At first they were PAX only. Later I am sure they were used at time for frieght service. If you were modeling the 50s it would be PAX. If later, there are probably photos of E-7s doing almost anything.
Jim wrote:

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snipped-for-privacy@aim.com wrote in

Engines are engines when you're a train master and you've got to get some trains moving. Freight engines are sometimes put on passenger trains and passenger engines are put on freight trains.
If you're a decade-based modeller, you'll want to try to keep things as close to reality as possible.
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If they were ever used for freight, it would have been in a very rare motive power crisis. Consider: o The UP had continued to have a robust passenger business into the late 1950's: the UP bought new dome cars as late as 1958, the City of Denver / City of Portland were not combined until 1959 and the Cities of LA / SF in late 1960. o The UP needed good passenger power and returned the remaining E-7's to EMD in the early 1960's for upgrading to E-9's. o The 13 UP E-7's were geared for 90 MPH and did not have dynamic brakes, making them less suitable for freight service. o When the UP reassigned its Alco PA's to freight service, it re-reared them for lower speed service.
In the late 1960's / 1970 the UP did use E-8's in mixed train service. They were required to keep running some passenger trains that were down to a single baggage car and single coach. The UP began treating these trains as mixed trains, and photos show 2 or 3 E units pulling the two passenger cars followed by 20 or so freight cars. Geezer
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