Thomas C. Ayers's Collection
3/12/2026
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Viewing Album: PRR: Mann ~> Pennsy Duplex Portraits (R)
By:
Thomas C. Ayers
Dates:
8/9/1951 - 8/9/1951
Album Info:
Here are several portraits of Pennsylvania Railroad T-1 (4-4-4-4) "Duplex" stream locomotives. They're organized by locomotive road number. The photographers' names, the exact dates, and the locations are noted when available. Almost all of them are from the Brad Mann Collection. [Before "Blackout" ~> 32 Entries] * Repaired Album *
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Title:
PRR 5501, T-1, c. 1953
Description:
Duplexes. Here is a duplicate 35mm B&W slide showing Pennsylvania Railroad engine #5501, a T-1 (4-4-4-4) "Duplex" built in Juniata during November of 1945 and retired in December of 1953 after just eight years of service. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1953
Upload Date:
5/28/2021 10:05:21 PM
Location:
Altoona(Juniata), PA
Author:
Thomas C. Ayers
Categories:
Steam
Locomotives:
PRR 5501(4-4-4-4)
Views:
1077
Comments:
0
Title:
PRR 5502, T-1, 1946
Description:
Duplexes. Here is a duplicate 35mm color slide via Al Chione that was taken near Englewood, Illinois, in 1946. The photographer is not identified. Shown here is Pennsylvania Railroad engine #5502, a T-1 (4-4-4-4) "Duplex" built in Juniata during November of 1945 and retired in December of 1953 after just eight years of revenue service. In this context, it's rockin' 'n' rollin' with a ten-car passenger train sans head-end baggage and mail cars. ("PrrFan18n") (#6,000)
Photo Date:
11/14/1946
Upload Date:
3/19/2020 8:12:12 PM
Location:
Englewood, IL
Author:
Thomas C. Ayers
Categories:
Steam,Passenger
Locomotives:
PRR 5502(4-4-4-4)
Views:
1542
Comments:
1
Title:
PRR 5503, T-1, 1947
Description:
Duplexes. Here is a duplicate 35mm B&W slide by an unidentified photographer that was taken near Chicago, Illinois, in May of 1947. Shown here is Pennsylvania Railroad engine #5503, a T-1 (4-4-4-4) "Duplex" built in Juniata during November of 1945 and retired in December of 1953 after just eight years of revenue service. Produced and distributed by FJC Products of Newport, Delaware.
Photo Date:
5/5/1947
Upload Date:
2/26/2020 2:13:01 AM
Location:
Chicago, IL
Author:
Thomas C. Ayers
Categories:
Steam,Passenger
Locomotives:
PRR 5503(4-4-4-4)
Views:
1378
Comments:
0
Title:
PRR 5505, T-1, c. 1952
Description:
Duplexes. Here is a photo by an unidentified photographer that was taken at the Passenger Station in Lewistown, Pennsylvania, c. 1952. Shown here is Pennsylvania Railroad engine #5505, a T-1 (4-4-4-4) "Duplex" built in Juniata during December of 1945 and retired in March of 1953 after just eight years of revenue service. In this context, it's on a passenger run between Altoona and Harrisburg. Wave to the Engineman! Brad Mann Collection.
Photo Date:
8/15/1952
Upload Date:
11/4/2025 11:39:52 PM
Location:
Lewistown, PA
Author:
Thomas C. Ayers
Categories:
Station,Steam,Signal,Passenger
Locomotives:
PRR 5505(4-4-4-4)
Views:
199
Comments:
0
Title:
PRR 5511, T-1, 1946
Description:
Duplexes. Here is an official photo of Pennsylvania Railroad engine #5511, a T-1 (4-4-4-4) "Duplex" built in Juniata during February of 1946 and retired in December of 1953 after just seven years of revenue service. Brad Mann Collection.
Photo Date:
8/17/1946
Upload Date:
11/18/2025 11:36:18 AM
Location:
Altoona(Juniata), PA
Author:
Thomas C. Ayers
Categories:
Steam
Locomotives:
PRR 5511(4-4-4-4)
Views:
168
Comments:
0
Title:
PRR 5512, T-1, c. 1946
Description:
Duplexes. Here is a photo of Pennsylvania Railroad engine #5512, a T-1 (4-4-4-4) "Duplex" built in Juniata during February of 1946 and retired in December of 1953 after just seven years of revenue service. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1946
Upload Date:
5/29/2025 3:01:29 AM
Location:
Altoona(Juniata), PA
Author:
Thomas C. Ayers
Categories:
Station,Steam,Passenger
Locomotives:
PRR 5512(4-4-4-4)
Views:
485
Comments:
0
Title:
PRR 5514, T-1, c. 1949
Description:
Duplexes. Here is a photo of Pennsylvania Railroad engine #5514, a T-1 (4-4-4-4) "Duplex" built in Juniata during February of 1946 and retired in December of 1953 after just seven years of revenue service. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1949
Upload Date:
7/5/2021 10:09:36 AM
Location:
Pittsburgh, PA
Author:
Thomas C. Ayers
Categories:
Yard,Steam
Locomotives:
PRR 5514(4-4-4-4)
Views:
892
Comments:
0
Title:
PRR 5515, T-1, c. 1946
Description:
Duplexes. Here is a photo of Pennsylvania Railroad engine #5515, a T-1 (4-4-4-4) "Duplex" built in Juniata during March of 1946 and retired in December of 1953 after just seven years of revenue service. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1946
Upload Date:
5/29/2025 3:03:02 AM
Location:
Altoona(Juniata), PA
Author:
Thomas C. Ayers
Categories:
Steam,Signal,Passenger
Locomotives:
PRR 5515(4-4-4-4)
Views:
482
Comments:
0
Title:
PRR 5516, T-1, c. 1946
Description:
Duplexes. Here is a photo of Pennsylvania Railroad engine #5516, a T-1 (4-4-4-4) "Duplex" built in Juniata during March of 1946 and retired in December of 1953 after just seven years of revenue service. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1946
Upload Date:
5/29/2025 3:04:03 AM
Location:
Altoona(Juniata), PA
Author:
Thomas C. Ayers
Categories:
Steam
Locomotives:
PRR 5516(4-4-4-4)
Views:
487
Comments:
0
Title:
PRR 5526, T-1, c. 1946
Description:
Duplexes. Here is a photo of Pennsylvania Railroad engine #5526, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during August of 1946 and retired in December of 1953 after just seven years of service. The photographer's name, the date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1946
Upload Date:
5/29/2025 3:05:09 AM
Location:
Eddystone, PA
Author:
Thomas C. Ayers
Categories:
Steam
Locomotives:
PRR 5526(UNKNOWN)
Views:
420
Comments:
0
Title:
PRR 5526, T-1, c. 1953
Description:
Duplexes. Here is a photo of two Pennsylvania Railroad steam locomotives. At the left is engine #5526, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during August of 1946 and retired in December of 1953 after just seven years of revenue service. At the right is an unidentified Class Q-2 (4-4-6-4) "Duplex." Note that the T-1's main driving rods have been removed in preparation for scrapping; the same applies to the Q-2, too. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1953
Upload Date:
5/29/2025 3:05:41 AM
Location:
Crestline, OH
Author:
Thomas C. Ayers
Categories:
Yard,Steam
Locomotives:
PRR 5526(UNKNOWN)
Views:
416
Comments:
0
Title:
PRR 5529, T-1, c. 1950
Description:
Duplexes. Here is a duplicate 35mm B&W slide showing Pennsylvania Railroad engine #5529, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during November of 1945 and retired in December of 1953 after just eight years of revenue service. In this context, it's ready to depart the Harrisburg Station with a passenger train bound for Altoona and points West. All ABOARD! The photographer's name and the exact date are not recorded. Brad Mann Collection.
Photo Date:
8/15/1950
Upload Date:
6/1/2021 6:57:10 AM
Location:
Harrisburg, PA
Author:
Thomas C. Ayers
Categories:
Station,Steam,Passenger
Locomotives:
PRR 5529(UNKNOWN)
Views:
781
Comments:
0
Title:
PRR 5533, T-1, c. 1950
Description:
Duplexes. Here is a duplicate 35mm B&W slide showing Pennsylvania Railroad engine #5533, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during April of 1946 and retired in December of 1953 after just seven years of revenue service. In this context, it's arriving at Englewood Union Station with a passenger train bound for Fort Wayne and points East. The photographer's name and the exact date are not recorded. Brad Mann Collection.
Photo Date:
8/15/1950
Upload Date:
6/1/2021 6:59:07 AM
Location:
Englewood, IL
Author:
Thomas C. Ayers
Categories:
Station,Steam,Signal,Passenger
Locomotives:
PRR 5533(UNKNOWN)
Views:
692
Comments:
0
Title:
PRR 5537, T-1, 1946
Description:
Duplexes. Here is a photo by Art Johnson that was taken in Chicago, Illinois, on 16 June 1946. It was published originally in the January-February 1974 issue of "PC Railroader" magazine, page 36. Photo Caption: "Pennsy T-1 #5537 at Chicago, Illinois, 6/16/46." Shown here is Pennsylvania Railroad engine #5537, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during May of 1946 and retired in December of 1953 after just seven years of revenue service.
Photo Date:
6/16/1946
Upload Date:
7/7/2018 12:52:40 AM
Location:
Chicago, IL
Author:
Thomas C. Ayers
Categories:
Steam
Locomotives:
PRR 5537(UNKNOWN)
Views:
695
Comments:
0
Title:
PRR 5537, T-1, c. 1950
Description:
Duplexes. Here is a duplicate 35mm B&W slide showing Pennsylvania Railroad engine #5537, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during May of 1946 and retired in December of 1953 after just seven years of revenue service. Note the large PRR "Keystone" painted on the side of the Coaling Station. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
1/23/1950
Upload Date:
6/1/2021 11:37:11 AM
Location:
Fort Wayne, IN
Author:
Thomas C. Ayers
Categories:
Winter,Steam,Signal,Passenger
Locomotives:
PRR 5537(UNKNOWN)
Views:
800
Comments:
0
Title:
PRR 5537, T-1, c. 1951
Description:
Duplexes. Here is a print of Pennsylvania Railroad engine #5537, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during May of 1946 and retired in December of 1953 after just seven years of revenue service. The photographer's name, the date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1951
Upload Date:
2/20/2026 11:42:52 PM
Location:
Fort Wayne, IN
Author:
Thomas C. Ayers
Categories:
Yard,Steam
Locomotives:
PRR 5537(UNKNOWN)
Views:
56
Comments:
0
Title:
PRR 5538, T-1, c. 1946
Description:
Duplexes. Here is a duplicate 35mm color slide by an unidentified photographer that was taken near Chicago, Illinois, c. 1946. Shown here is Pennsylvania Railroad engine #5538, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during June of 1946 and retired in December of 1953 after just seven years of revenue service. It's pulling a streamlined passenger train on the first leg of its journey from The Windy City to Gotham City. "Fasten your seatbelts!"
Photo Date:
8/15/1946
Upload Date:
9/29/2018 3:16:00 AM
Location:
Chicago, IL
Author:
Thomas C. Ayers
Categories:
Bridge,Steam,Passenger
Locomotives:
PRR 5538(UNKNOWN)
Views:
2263
Comments:
2
Title:
PRR 5542, T-1, c. 1950
Description:
Duplexes. Here is a duplicate 35mm B&W slide showing Pennsylvania Railroad engine #5542, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during July of 1946 and retired in January of 1956 after just ten years of service. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1950
Upload Date:
6/1/2021 10:23:26 PM
Location:
Huntingdon, PA
Author:
Thomas C. Ayers
Categories:
Steam
Locomotives:
PRR 5542(UNKNOWN)
Views:
754
Comments:
0
Title:
PRR 5543, T-1, c. 1950
Description:
Duplexes. Here is a duplicate 35mm color slide by an unidentified photographer that was taken at the Pennsylvania Railroad's Passenger Station in Harrisburg, Pennsylvania, c. 1950. Shown here is engine #5543, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during July of 1946 and retired in January of 1956 after just a decade of revenue service. It's about to couple onto a passenger train bound for Altoona and points West. All ABOARD! ("PrrFan18n")
Photo Date:
8/15/1950
Upload Date:
7/30/2021 6:49:10 AM
Location:
Harrisburg, PA
Author:
Thomas C. Ayers
Categories:
Station,Steam,Passenger
Locomotives:
PRR 5543(UNKNOWN)
Views:
785
Comments:
0
Title:
PRR 5547, T-1A, c. 1952
Description:
Duplexes. Here is a photo of Pennsylvania Railroad engine #5547, a T-1A (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works as a T-1 during August of 1946, rebuilt in Juniata as a T-1A, and retired in January of 1956 after just a decade of revenue service. Who said Pennsy T-1's never hauled freight? The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1952
Upload Date:
5/29/2025 3:08:32 AM
Location:
Eddystone, PA
Author:
Thomas C. Ayers
Categories:
Yard,Steam
Locomotives:
PRR 5547(UNKNOWN)
Views:
503
Comments:
0
Title:
PRR 6110, T-1, 1942
Description:
Duplexes. Here is an official print of Pennsylvania Railroad engine #6110, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during April of 1942 and retired in December of 1953 after just 11 years of revenue service. This is the original T-1 "Duplex." Brad Mann Collection.
Photo Date:
4/16/1942
Upload Date:
10/19/2025 6:23:13 PM
Location:
Eddystone, PA
Author:
Thomas C. Ayers
Categories:
Steam
Locomotives:
PRR 6110(UNKNOWN)
Views:
219
Comments:
0
Title:
PRR 6110, T-1, 1942
Description:
Duplexes. Here is a photo by Marion H. Myers that was taken near Pinecroft, Pennsylvania, in 1942. Shown here is Pennsylvania Railroad engine #6110, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during April of 1942 and retired in December of 1953 after just 11 years of service. Brad Mann Collection.
Photo Date:
8/15/1942
Upload Date:
9/20/2021 5:59:47 PM
Location:
Pinecroft, PA
Author:
Thomas C. Ayers
Categories:
Steam,Passenger
Locomotives:
PRR 6110(UNKNOWN)
Views:
988
Comments:
0
Title:
PRR 6110, T-1, c. 1947
Description:
Duplexes. Here is a duplicate 35mm B&W slide by an unidentified photographer that was taken near Englewood, Illinois, c. 1947. Shown here is Pennsylvania Railroad engine #6110, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during April of 1942 and retired in December of 1953 after just 11 years of revenue service. In this context, it's just departed the Englewood Station with an eastbound passenger train.
Photo Date:
1/23/1947
Upload Date:
9/9/2024 10:57:16 PM
Location:
Englewood, IL
Author:
Thomas C. Ayers
Categories:
Winter,Steam,Signal,Passenger
Locomotives:
PRR 6110(UNKNOWN)
Views:
580
Comments:
0
Title:
PRR 6111, T-1, 1996
Description:
Duplexes. Here is a painting by Craig Staufer entitled "T-1 On the Curve." It was published originally in the Summer 1996 issue of "Keystone" magazine, pages 32-33. Artist's Caption: "On a warm day in May 1942, T-1 #6111 works its way around Horseshoe Curve on her maiden voyage. The midday sun reflects brightly off the fresh paint as she flexes her muscles to climb the grade." Depicted here is Pennsylvania Railroad engine #6111, a T-1 (4-4-4-4) "Duplex" built by the Baldwin Locomotive Works during May of 1942 and retired in December of 1953 after just 11 years of revenue service.
Photo Date:
8/15/1996
Upload Date:
12/6/2017 7:19:38 AM
Location:
ALTOONA (HORSESHOE C, PA
Author:
Thomas C. Ayers
Categories:
Steam,Passenger
Locomotives:
PRR 6111(UNKNOWN)
Views:
903
Comments:
0
Title:
PRR T-1, "Duplex," 1947
Description:
Duplexes. Here is a photo by Princeton Melnor Miller. It was published originally in the Summer 1991 issue of "Keystone" magazine, pages 36-37. Photo Caption: "At the height of its popularity, a T-1 descends Horseshoe Curve in mid-1947."
Photo Date:
8/15/1991
Upload Date:
12/7/2017 3:42:51 PM
Location:
ALTOONA (HORSESHOE C, PA
Author:
Thomas C. Ayers
Categories:
Steam,Passenger
Locomotives:
Views:
645
Comments:
0
Title:
PRR T-1, "Duplex," c. 1946
Description:
Duplexes. Here is a duplicate 35mm color slide by an unidentified photographer that was taken near Hanna, Indiana, c. 1946. Shown here is an unidentified Pennsylvania Railroad Class T-1 (4-4-4-4) "Duplex" scooping water while speeding through Hanna with the eastbound "Manhattan Limited." WooooooooSH!
Photo Date:
9/22/1946
Upload Date:
3/3/2020 1:54:01 AM
Location:
Hanna, IN
Author:
Thomas C. Ayers
Categories:
Steam,Passenger
Locomotives:
Views:
861
Comments:
1
Title:
PRR T-1, "Duplex," c. 1947
Description:
Duplexes. Here is a duplicate 35mm color slide via Al Chione of an unidentified Pennsylvania Railroad Class T-1 (4-4-4-4) "Duplex" steam locomotive. The photographer's name, the exact date, and the location are not recorded.
Photo Date:
8/15/1947
Upload Date:
7/5/2023 10:57:26 PM
Location:
Fort Wayne, IN
Author:
Thomas C. Ayers
Categories:
Station,Steam,Signal
Locomotives:
Views:
574
Comments:
0
Title:
PRR T-1, Westbound Passenger Train, c. 1948
Description:
Duplexes. Here is a photo of an unidentified Pennsylvania Railroad Class K-4S (4-6-2) "Pacific" and a Class T-1 (4-4-4-4) "Duplex" about to enter the Radebaugh Tunnel with a westbound passenger train. The photographer's name and the exact date are not recorded. Brad Mann Collection.
Photo Date:
8/15/1948
Upload Date:
5/29/2025 3:13:04 AM
Location:
Radebaugh, PA
Author:
Thomas C. Ayers
Categories:
Tunnel,Steam,Signal,Passenger
Locomotives:
Views:
345
Comments:
0
Title:
PRR T-1, Eastbound Passenger Train, c. 1948
Description:
Duplexes. Here is a photo by an unidentified photographer that was taken near Englewood, Illinois, c. 1948. Shown here is an unidentified Pennsylvania Railroad T-1 (4-4-4-4) "Duplex" steam locomotive departing the Englewood Station with a passenger train bound for Fort Wayne and points East. Brad Mann Collection.
Photo Date:
8/15/1945
Upload Date:
9/15/2025 11:09:01 PM
Location:
Englewood, IL
Author:
Thomas C. Ayers
Categories:
Station,Steam,Signal,Passenger
Locomotives:
Views:
292
Comments:
0
Title:
PRR T-1, Westbound Passenger Train, c. 1949
Description:
Duplexes. Here is a print by an unidentified photographer that was taken near Duncannon, Pennsylvania, c. 1949. Shown here is an unidentified Pennsylvania Railroad T-1 (4-4-4-4) "Duplex" steam locomotive pulling a passenger train bound for Altoona and points West. Wave to the Fireman! Brad Mann Collection.
Photo Date:
7/10/1949
Upload Date:
12/13/2025 7:08:10 AM
Location:
Duncannon, PA
Author:
Thomas C. Ayers
Categories:
Steam,Passenger
Locomotives:
Views:
127
Comments:
0
Title:
PRR T-1, Eastbound Troop Train, 1949
Description:
Duplexes. Here is a print of an unidentified Pennsylvania Railroad T-1 (4-4-4-4) "Duplex" steam locomotive rockin' 'n' rollin' with a troop train. Caption On Reverse: "T1's were always turning up on specials back in 1949 when this photo was taken on July 9. Eastbound troop train at 70 m.p.h." The photographer's name and the location are not recorded. Brad Mann Collection.
Photo Date:
7/9/1949
Upload Date:
1/5/2026 2:15:12 AM
Location:
Hawstone, PA
Author:
Thomas C. Ayers
Categories:
Steam,Signal,Passenger
Locomotives:
Views:
94
Comments:
0
Title:
PRR T-1, Westbound Passenger Train, 1949
Description:
Duplexes. Here is a print by an unidentified photographer that was taken near Hawstone, Pennsylvania, on 10 July 1949. Caption On Reverse: "This T-1 taking water at 50 m.p.h., westbound, with local No. 641 and eight cars. July 10, 1949." Prominent here is an unidentified Pennsylvania Railroad T-1 (4-4-4-4) "Duplex" steam locomotive pulling an eight-car passenger train bound for Huntingdon and points West. Brad Mann Collection.
Photo Date:
7/10/1949
Upload Date:
12/13/2025 7:08:59 AM
Location:
Hawstone, PA
Author:
Thomas C. Ayers
Categories:
Steam,Passenger
Locomotives:
Views:
105
Comments:
0
Title:
PRR T-1, Freight Train Helper, c. 1949
Description:
Duplexes. Here is a photo of an unidentified Pennsylvania Railroad Class T-1 (4-4-4-4) "Duplex" steam locomotive serving as a front-end helper on a freight train. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1949
Upload Date:
5/29/2025 3:12:38 AM
Location:
Altoona(Juniata), PA
Author:
Thomas C. Ayers
Categories:
Steam
Locomotives:
Views:
304
Comments:
0
Title:
PRR 6707, M-1A, c. 1950
Description:
Duplexes. Here is a photo of two Pennsylvania Railroad steam locomotives. At the left is an unidentified Class T-1 (4-4-4-4) "Duplex." At the right is engine #6707, an M-1A (4-8-2) "Mountain" built by the Baldwin Locomotive Works during April of 1930 and retired in January of 1954 after 24 years of faithful service. The photographer's name, the exact date, and the location are not recorded. Brad Mann Collection.
Photo Date:
8/15/1950
Upload Date:
5/29/2025 3:10:02 AM
Location:
Eddystone, PA
Author:
Thomas C. Ayers
Categories:
Steam
Locomotives:
PRR 6707(4-8-2)
Views:
504
Comments:
0
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