SECR J Class 0-6-4T


photograph: Mike Morant collection

J class Nº1595 on shed at Gillingham on 12th February 1939.

The SECR J Class passenger tanks were slightly unusual in that they were designed by Wainwright to work not just the SECR's own services, but to work any line south of London. The original drawings for the class were for a six-coupled radial tank with a boiler similar to that of the C Class to be called class N, but this idea was dropped and, in 1913, the first of the class appeared just as Wainwright's career with the SECR was drawing to a close. In all just five engines were made, the last to be built under his auspices (though the L class was designed by him before he handed over the tenure to Maunsell) which doesn't suggest there were many "south of London" trains requiring their services!

The locos had belpaire fireboxes, Schmidt superheaters and 8 inch piston valves. They were provided with two side tanks which held 350 gallons of water each, and a rear tank which held 1,300 gallons. As built the engines had Wakefield mechanical lubricators but Maunsell soon changed these for a sight feed lubricator. As with all SECR locomotives, steam reversing gear was provided. Initial numbering was, as was common with the SECR, somewhat haphazard but was re-organized by the Southern Railway into a logical sequence. Originally employed on the London-Redhill section and the Addiscombe Road line they were cascaded down to Ashford for working in that area when electrification made their services redundant on those lines.

1597 J class Nº1597 on shed at an unknown location.

photograph: Mike Morant collection

Nº1597 again at another unknown location but looking a lot cleaner.

photograph: Mike Morant collection


Technical Details

  • Introduced: 1913
  • Driving Wheel: 5 ft 6 ins
  • Bogie Wheel: 3 ft 7 ins
  • Total Weight: 70 tons 14 cwt
  • Water Capacity: 2,000 gals
  • Cylinders (2): 19½ in x 26 in
  • Boiler Pressure: 160 lb sq in
  • Tractive Effort: 20,370 lb
  • Coal Capacity: 3 ton 10 cwt
SECR Nº Built 1st SR Nº # 2nd SR Nº # Date changed Final SR Nº BR Nº Withdrawn
129 Oct 1913 A129 A596 May 1927 1596 31596 Apr 1951
207 Oct 1913 A207 A595 Mar 1928 1595 31595 Jul 1951
597 Nov 1913 A597 - - 1597 31597 Oct 1950
611 Nov 1913 A611 A598 Sep 1927 1598 31598 Dec 1950
614 Dec 1913 A614 A599 Apr 1928 1599 31599 Nov 1949
# Between 1923 and 1928 SR numbers were the SECR numbers with the added prefix 'A'
although the new number may not have been applied until some time later

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This page was last updated 3 February 2009

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