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6/20/2025
 
 
 
 
 
Owner: Pennsylvania Railroad
Model:EMD GP7Built As:PRR 8506 (GP7)
Serial Number:16761Order No:5194
Frame Number:5194-4Built:8/1952
Notes:PRR Class ES-15M.
Other locos with this serial:  PC 5886(GP7) CR 5886(GP7) PRR 8506(GP7)
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PRR 8506, ES-15M, c. 1953
Title:  PRR 8506, ES-15M, c. 1953
Description:  Here is an original photo by Douglas C. Jones that was taken in Altoona, Pennsylvania, c. 1953. Shown here is Pennsylvania Railroad engine #8506, an ES-15M road switcher built by GM-EMD in August of 1952 and rated at 1,500 horsepower. In this context, it's just passed under the 9th Street Footbridge on its way back to the 7th Street Locomotive Ready Tracks for further assignment. The blurry streaks in the photo are the tracks of snowflakes on a frigid winter's day!
Photo Date:  2/2/1953  Upload Date: 6/18/2025 11:26:20 PM
Location:  Altoona, PA
Author:  Thomas C. Ayers
Categories:  Bridge,Signal
Locomotives:  PRR 8506(GP7)
Views:  7   Comments: 0
PRR 8506, ES-15M, 1953
Title:  PRR 8506, ES-15M, 1953
Description:  NST. Here is a duplicate 35mm color slide of a photo by Fred Kern that was taken just West of Altoona, Pennsylvania, on 30 August 1953. Shown here (L to R) are Pennsylvania Railroad engines #8506, #5857, and an E-7 Class "B" unit whose road number is not recorded. All were built by GM-EMD. #8506 is an ES-15M built in August of 1952 and rated at 1,500 horsepower. #5857 is an EP-20 built in February of 1948 and rated at 2,000 horsepower. They have just passed under the 24th Street Bridge with a passenger train on their way up the Allegheny Mountains via the Horseshoe Curve to Pittsburgh and points West.
Photo Date:  8/30/1953  Upload Date: 8/28/2018 1:56:30 AM
Location:  Altoona(CP Slope), PA
Author:  Thomas C. Ayers
Categories:  Bridge,Passenger
Locomotives:  PRR 8506(GP7) PRR 5857(E7A)
Views:  1050   Comments: 1
PRR 8506, ES-15M, c. 1956
Title:  PRR 8506, ES-15M, c. 1956
Description:  Nyman. Here is a duplicate 35mm color slide of Pennsylvania Railroad engine #8506, an ES-15M road switcher built by GM-EMD in August of 1952 and rated at 1,500 horsepower. Immediately behind it is PRR N-5 cabin car #477442. The photographer's name, the exact date, and the location are not recorded.
Photo Date:  1/23/1956  Upload Date: 1/16/2025 5:31:24 PM
Location:  Conemaugh, PA
Author:  Thomas C. Ayers
Categories:  RollingStock
Locomotives:  PRR 8506(GP7)
Views:  187   Comments: 0
PRR "From Mine To Market By Unit Train," Page 5, 1964
Title:  PRR "From Mine To Market By Unit Train," Page 5, 1964
Description:  Here is page two of a two-page article entitled "From Mine To Market By Unit Train." It was published originally in the July-August 1964 issue of "Pennsy" magazine, page 5. Top Row, Middle Photo: "Conductor B.L. Eberly throws switch for train to move onto spur at [Pennsylvania Power & Light] plant." Prominent here is Pennsylvania Railroad engine #8506, an ES-15M built by GM-EMD in August of 1952 and rated at 1,500 horsepower.
Photo Date:  7/1/1964  Upload Date: 12/5/2019 9:43:47 AM
Location:  York Haven, PA
Author:  Thomas C. Ayers
Categories: 
Locomotives:  PRR 8506(GP7)
Views:  544   Comments: 0
PRR 8503, ES-15M, 1966
Title:  PRR 8503, ES-15M, 1966
Description:  Here is a duplicate 35mm color slide by an unidentified photographer that was taken in Enola, Pennsylvania, on 12 June 1966. Shown here (R to L) are Pennsylvania Railroad engines #8503 and #8506. Both are ES-15M's built by GM-EMD in August of 1952 and rated at 1,500 horsepower each. ("Tchowee"; #34 of 40)
Photo Date:  6/12/1966  Upload Date: 5/22/2020 7:29:11 AM
Location:  Enola, PA
Author:  Thomas C. Ayers
Categories:  Bridge,Signal
Locomotives:  PRR 8503(GP7) PRR 8506(GP7)
Views:  574   Comments: 0


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