LNWR Class G1

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LNWR Class G1
No. 1384 in photographic grey livery
Type and origin Power type Steam Designer Charles Bowen Cooke Builder Crewe Works Build date 1901-1904 Total produced New builds: 171 Rebuilds: 278 Total: 449 Rebuilder Crewe Works
Specifications Configuration: ​  • Whyte 0-8-0  • UIC D h2 Gauge 4 ft 8+1⁄2 in (1,435 mm) Driver dia. 4 ft 5+1⁄2 in (1.359 m) Loco weight 60 long tons 15 cwt (136,100 lb or 61.7 t) Fuel type coal Boiler pressure 160 psi (1.10 MPa) Cylinders 2 inside Cylinder size 20½" x 24"
Performance figures Tractive effort 25,640 lbf (114.1 kN)
Career Operators LNWR » LMS » BR Power class BR, 6F

The London and North Western Railway (LNWR) Class G1 was a class of 0-8-0 steam locomotives. It was a superheated version of the LNWR Class G with 8 inch piston valves.^[1] The prototype was rebuilt in 1912 from a member of Class G and a further 170 new locomotives were built between 1912 and 1918. In addition, 278 older locomotives were rebuilt to the G1 specification between 1917 and 1934.