LNER Class Y11

LNER Class Y11
15098 at Stratford locomotive depot 1956
Type and origin Power type Petrol-mechanical Builder Motor Rail & Tram Car Co. Ltd. Model Simplex Build date 1919, 1920, 1925
Specifications Configuration: ​  • Whyte 0-4-0  • UIC B Wheel diameter 3 ft 1 in (0.940 m) Loco weight 8 long tons (8.1 t) Prime mover Dorman 4JO Engine type Petrol Transmission Mechanical, two-speed Dixon-Abbot, chain final drive Loco brake Air Train brakes None
Performance figures Maximum speed 7.2 mph (11.6 km/h) Power output 40 hp (30 kW) Tractive effort 3,750 lbf (16.7 kN)
Career Operators Great Eastern Railway, North British Railway, London and North Eastern Railway, British Railways Number in class 3 Axle load class Route Availability: 1 Retired 1950–1956 Disposition All scrapped

LNER Class Y11 was a class of three petrol powered 0-4-0 locomotives built by Motor Rail & Tram Car Company Limited under their Simplex brand and introduced in the years 1919–1925. Two were inherited by the London and North Eastern Railway (LNER) at its formation in January 1923, and a third was purchased later. Their British Railways numbers were 15097-15099. It was known as LNER Z6 before 1943.