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Thomas C. Ayers's Collection
 
3/12/2026
 
 
 
 
 
By:Thomas C. Ayers
Dates:8/15/1951 - 8/15/1951
Album Info:Here are several photos of Pennsylvania Railroad diesel-electric locomotives. They're organized by type and road number. All of them are from the Brad Mann Collection. The photographer's name, the locomotive road number(s), and the date are cited when available.
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PRR 5931, AS-10, 1966
Title:  PRR 5931, AS-10, 1966
Description:  Diesels. Here is a photo by an unidentified photographer that was taken in Buffalo, New York, in April of 1966. Shown here is Pennsylvania Railroad engine #5931, an AS-10 built by the American Locomotive Company in August of 1948 and rated at 1,000 horsepower. Brad Mann Collection.
Photo Date:  4/16/1966  Upload Date: 8/21/2025 11:36:36 PM
Location:  Buffalo, NY
Author:  Thomas C. Ayers
Categories:  Yard
Locomotives:  PRR 5931(S2)
Views:  497   Comments: 0
PRR 5633, AS-10AM, 1966
Title:  PRR 5633, AS-10AM, 1966
Description:  Diesels. Here is a photo by an unidentified photographer that was taken in Buffalo, New York, in April of 1966. Shown here is Pennsylvania Railroad engine #5633, an AS-10AM built by the American Locomotive Company in August of 1950 and rated at 1,000 horsepower. Brad Mann Collection.
Photo Date:  4/16/1966  Upload Date: 8/21/2025 11:36:13 PM
Location:  Buffalo, NY
Author:  Thomas C. Ayers
Categories:  Yard
Locomotives:  PRR 5633(RS1)
Views:  494   Comments: 0
PRR 5966, BS-6A, 1963
Title:  PRR 5966, BS-6A, 1963
Description:  Diesels. Here is a photo of Pennsylvania Railroad engine #5966, a BS-6A switcher built by the Baldwin Locomotive Works in April of 1948 and rated at 660 horsepower. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:  8/15/1963  Upload Date: 8/21/2025 3:30:44 PM
Location:  Eddystone, PA
Author:  Thomas C. Ayers
Categories:  Yard
Locomotives:  PRR 5966(DS44-660)
Views:  426   Comments: 0
PRR 5841, EP-20, 1965
Title:  PRR 5841, EP-20, 1965
Description:  Diesels. Here is a photo by an unidentified photographer that was taken near South Amboy, New Jersey, in August of 1965. Prominent here is Pennsylvania Railroad engine #5841, an EP-20 built by GM-EMD in August of 1947 and rated at 2,000 horsepower. In this context, it's just departed the South Amboy Station with a four-car passenger train bound for Bay Head Junction. Brad Mann Collection.
Photo Date:  8/15/1965  Upload Date: 8/5/2025 11:40:06 PM
Location:  South Amboy, NJ
Author:  Thomas C. Ayers
Categories:  Bridge,Station,Passenger
Locomotives:  PRR 5841(E7A)
Views:  459   Comments: 0
PRR 5868, EP-20, 1963
Title:  PRR 5868, EP-20, 1963
Description:  Diesels. Here is a photo by an unidentified photographer that was taken near East St. Louis, Illinois, in November of 1963. Shown here (L to R) is Pennsylvania Railroad engine #5868 and two more units whose road numbers are not recorded. All were built by GM-EMD. #5868 is an EP-20 built in April of 1949 and rated at 2,000 horsepower. Brad Mann Collection.
Photo Date:  11/14/1963  Upload Date: 8/5/2025 11:40:47 PM
Location:  East St. Louis, IL
Author:  Thomas C. Ayers
Categories:  Bridge,Signal,Passenger
Locomotives:  PRR 5868(E7A)
Views:  478   Comments: 0
PRR 5875, EP-20, 1964
Title:  PRR 5875, EP-20, 1964
Description:  Diesels. Here is a photo by an unidentified photographer that was taken near East St. Louis, Illinois, in 1964. Shown here (R to L) is Pennsylvania Railroad engine #5875 and two more units whose road numbers are not recorded. All are EP-20's built by GM-EMD and rated at 2,000 horsepower each. #5875 was built in April of 1949. Brad Mann Collection.
Photo Date:  8/15/1964  Upload Date: 8/21/2025 3:30:24 PM
Location:  East St. Louis, IL
Author:  Thomas C. Ayers
Categories:  Yard
Locomotives:  PRR 5875(E7A)
Views:  452   Comments: 0
PRR 4255, EP-22, 1967
Title:  PRR 4255, EP-22, 1967
Description:  Diesels. Here is a photo by an unidentified photographer that was taken near Miami, Florida, in March of 1967. Shown here (R to L) is Pennsylvania Railroad engine #4255 and two more units whose road numbers are not recorded. All are EP-22's built by GM-EMD and rated at 2,250 horsepower each. #4255 was built as number "5795" in June of 1952 and renumbered "4255" in preparation for the PRR-NYC merger. Note the domed car in the middle of the train! Brad Mann Collection.
Photo Date:  3/21/1967  Upload Date: 8/21/2025 3:29:47 PM
Location:  Miami, FL
Author:  Thomas C. Ayers
Categories:  Passenger
Locomotives:  PRR 4255(E8A)
Views:  496   Comments: 0
PRR 9486, FF-20, 1963
Title:  PRR 9486, FF-20, 1963
Description:  Diesels. Here is a photo by an unidentified photographer that was taken in Columbus, Ohio, in 1963. Shown here is Pennsylvania Railroad engine #9486, an FF-20 built by Fairbanks-Morse in October of 1948, rated at 2,000 horsepower, and retired in December of 1963 after just 15 years of revenue service. It simply dwarfs the imported auto parked next to it! Partially visible at the far left is the PRR's steam-era Roundhouse. Brad Mann Collection.
Photo Date:  8/15/1963  Upload Date: 8/21/2025 7:11:41 PM
Location:  Columbus, OH
Author:  Thomas C. Ayers
Categories:  Yard
Locomotives:  PRR 9486(ERIE-A)
Views:  426   Comments: 0


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