LNER Class D49

LNER Class D49

Preserved D49 class no. 246 Morayshire at Doncaster Works

Type and origin Power type Steam Designer Nigel Gresley Builder LNER Darlington Works Build date 1927–1935 Total produced 76

Specifications Configuration 4-4-0 UIC class 2′B h3 Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge Leading dia. 3 ft 1 1⁄4 in (0.946 m) Driver dia. 6 ft 8 in (2.032 m) Length 58 ft 8.75 in (17.901 m) Width 8 ft 7 in (2.616 m) Height 13 ft 0 in (3.96 m) Axle load 21.25 long tons (21.59 t; 23.80 short tons) Adhesive weight 42.00 long tons (42.67 t; 47.04 short tons) Loco weight 65.11 long tons (66.15 t; 72.92 short tons) Tender weight 52.65 long tons (53.49 t; 58.97 short tons) Fuel type Coal Firebox:  • Firegrate area 26 square feet (2.4 m2) Boiler LNER Diagram 97 Boiler pressure 180 psi (1.24 MPa) Heating surface:  • Tubes 871.75 square feet (80.988 m2)  • Flues 354.53 square feet (32.937 m2)  • Firebox 171.5 square feet (15.93 m2) Superheater: ​  • Heating area 271.8 square feet (25.25 m2) Cylinders Three Cylinder size 17 in × 26 in (432 mm × 660 mm)

Performance figures Tractive effort 21,556 lbf (95.9 kN)

Career Operators LNER » BR Power class BR: 4P Axle load class Route availability 8 Withdrawn 1957–1961 Disposition One preserved, remainder scrapped

The London and North Eastern Railway (LNER) D49 Class is a class of 4-4-0 steam locomotives designed by Nigel Gresley. They were named after fox hunts and shires.

One, 246/62712 Morayshire has been preserved on the Bo'ness and Kinneil Railway.