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GER Class G15 LNER Class Y6
GER Class G15 No. 0125
Type and origin Power type Steam Designer Thomas William Worsdell Builder Stratford Works Build date 1883–1897 Total produced 10
Specifications Configuration: ​  • Whyte 0-4-0T  • UIC Bn2t Gauge 4 ft 8+1⁄2 in (1,435 mm) Driver dia. 3 ft 1 in (0.940 m) Loco weight 21 long tons 5 cwt (47,600 lb or 21.6 t) Fuel type Coal Fuel capacity 0 long tons 10 cwt (1,100 lb or 0.5 t) Water cap. 500 imp gal (2,270 L; 600 US gal) Firebox: ​  • Grate area 9.7 sq ft (0.90 m2) Boiler pressure 140 lbf/in2 (0.97 MPa) Heating surface 348.46 sq ft (32.373 m2) Cylinders Two, inside Cylinder size 11 in × 15 in (279 mm × 381 mm)
Performance figures Tractive effort 5,837 lbf (25.96 kN)
Career Operators GER »LNER »BR Class GER: G15 LNER: Y6 Power class BR: 0F Axle load class LNER/BR:RA 1 Withdrawn 1907–1952 Disposition Original class scrapped. One replica under construction atNene Valley Railway

The GER Class G15 was a class of ten0-4-0Tsteamtram locomotives designed byThomas William Worsdell for the BritishGreat Eastern Railway. Six passed to theLondon and North Eastern Railway (LNER) at the1923 grouping, and received the LNER classificationY6.

These locomotives had 11-by-15-inch (279 mm × 381 mm) inside cylinders driving 3-foot-1-inch (0.940 m) wheels. They were used on theWisbech and Upwell Tramway inEast Anglia. They were later used elsewhere after being replaced by the more powerfulGER Class C53 (LNER Class J70) 0-6-0Ts.

Four were withdrawn before thegrouping – 131 in 1907, 130 in 1909, 127 and 128 in 1913. In January 1921, numbers 125, 126 and 129 were placed on the duplicate list, and had their numbers prefixed with a "0" (The original numbers were reused on the 1921-batch of class C53 locomotives).^[2] Four more were withdrawn before the 1944 renumbering — 7132 in 1931, 07129 in 1933, 07125 and 07126 in 1940.^[3] The remaining two were numbered 8082 (ex-7133) and 8083 (ex-7134). Both survived intoBritish Railways ownership in 1948 and they were numbered 68082 and 68083. The former was withdrawn in 1951, and the latter in 1952.^[4] None has been preserved; although 68083 had been earmarked for preservation,^[1] it was scrapped after standing in Stratford paintshop for over a year.

TheNene Valley Railway were building a replica of the Y6 class to perform asToby the Tram Engine for their Day Out with Thomas events. However, when theRev. W. Awdry died in 1997, the project was ceased halfway through.

• Aldrich, C. Langley (1969).The Locomotives of the Great Eastern Railway 1862–1962 (7th ed.). Wickford, Essex: C. Langley Aldrich.OCLC 30278831.
• Boddy, M.G.; Brown, W.A.; Fry, E.V.; Hennigan, W.;Hoole, Ken; Manners, F.; Neve, E.; Platt, E.N.T.; Proud, P.;Yeadon, W.B. (June 1977). Fry, E.V. (ed.).Locomotives of the L.N.E.R., part 9B: Tank Engines - Classes Q1 to Z5. Kenilworth:RCTS.ISBN 0-901115-41-X.

• G15 Class 0-4-0T 1883-1897 — Great Eastern Railway Society
• The Y6 (GER G15) 0-4-0 Tram Engines — LNER Encyclopedia

• Great Eastern Railway locomotives
• 0-4-0T locomotives
• B n2t locomotives
• Railway locomotives introduced in 1883
• Tram engines
• Scrapped locomotives
• Standard-gauge steam locomotives of Great Britain
• Wisbech and Upwell Tramway

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