This drawing of a Dean 52' underframe drawn in March 1893 incorporates all the design changes up to February 1895. That shows how designs changed, and nothing stayed constant. |
 R Spratt collection |
Dean 8'6' bogie As used 1893 to 1904 |
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By Hugh Llewelyn (edited by R Spratt), Dean 8'6 bogie on GWR Dean 45'6 Brake First Saloon No.8231, later 9055, Diagram G31, Lot 804 built at Swindon 1896.
At Blaenavon, P&BR, 09/11. Uploaded by Oxyman, CC BY-SA 2.0 , via Wikimedia Commons |
Dean 10' bogie As used 1896 to 1904 |
Dean 10' bogie on GWR Dean Director's Saloon No.249, later 9045, Diagram G1, Lot 745 built at Swindon 1894. Now preserved on the South Devon Railway |
Churchward 9' 'American' bogie As used 1906 to 1911 |
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By Hugh Llewelyn (edited by R Spratt), Churchward 9' American bogie on GWR Churchward 57' Passenger Brake Van No.261, Diagram K22, Lot 1281 built at Swindon 1921.
At Highley, SVR, 03/12. Uploaded by Oxyman, CC BY-SA 2.0 , via Wikimedia Commons |
Churchward 6 wheel 'American' bogie As used 1907 to 1910 |
Churchward 6 wheel American bogie on GWR Churchward on Sleeper No.9082, Diagram J6, Lot 1123 built at Swindon 1907. © GWR |
Churchward 9' 'Fishbelly' light bolster bogie As used 1910 to 1926 |
By Hugh Llewelyn (edited by R Spratt), Churchward 9' Fishbelly bogie on GWR Churchward 57' Brake First Saloon No.9055, Diagram G43, Lot 1209 built at Swindon 1912.
At Highley, SVR, 03/12. Uploaded by Oxyman, CC BY-SA 2.0 , via Wikimedia Commons |
Collett 7' bogie As used 1925 to 1933 |
By Hugh Llewelyn (edited by R Spratt), Collett 7' single bolster bogie (used 1925-33) on GWR Collett 58' Third No.4777, Diagram C54, Lot 1369 built at Swindon 1926.
At Highley, SVR, 03/12. Uploaded by Oxyman, CC BY-SA 2.0 , via Wikimedia Commons |
Collett 9' plate bogie also known as 9' 'heavy' bogieAs used 1922 to 1932 |
By Hugh Llewelyn (edited by R Spratt), Collett 9' single bolster bogie on GWR Collett 61' Third Diner No.9627, Diagram H40, Lot 1471 built at Swindon 1932.
At Long Marston, 09/10. Uploaded by Oxyman, CC BY-SA 2.0 , via Wikimedia Commons |
Collett 9' Pressed Steel bogie As used 1934 onwards |
By Hugh Llewelyn (edited by R Spratt), Collett 9' Pressed Steel double bolster bogie on GWR Collett 57' Brake Third No.5883, Diagram D118, Lot 1514 built at Swindon 1934.
At Highley, SVR, 03/12. Uploaded by Oxyman, CC BY-SA 2.0 , via Wikimedia Commons |
Collett 12'6 heavy 12 wheel bogie As used 1930 onwards |
© R Spratt Collett 12'6 Heavy 12'6 bogie on GWR Collett 60' First Saloon No.9001, Diagram G62, Lot 1626 built at Swindon 1940. |