Indian locomotive class XD

Indian XD
Type and origin Power type Steam Builder Vulcan Foundry (41) Armstrong Whitworth (11) Škoda Works (10) North British Locomotive Co. (132) Build date 1928–1948 Total produced 194
Specifications Configuration: ​  • Whyte 2-8-2  • UIC 1′D1′h2 Gauge 5 ft 6 in (1,676 mm) Driver dia. 5 ft 1+1⁄2 in (1.562 m) Wheelbase 35 ft 0 in (10.668 m) Axle load 17 long tons (17 t; 19 short tons) Adhesive weight 68 long tons (69 t; 76 short tons) Loco weight 95.5 long tons (97.0 t; 107.0 short tons) Tender weight 65 long tons (66 t; 73 short tons) Fuel type Coal Fuel capacity 10 long tons (10 t; 11 short tons) Water cap 4,500 imp gal (20,000 L; 5,400 US gal) Boiler pressure 180 psi (1.24 MPa) Heating surface 2,176 sq ft (202.2 m2)  • Tubes 1,986 sq ft (184.5 m2) Superheater: ​  • Heating area 540 sq ft (50 m2) Cylinders Two, outside Cylinder size 22+1⁄2 in × 28 in (572 mm × 711 mm) Valve gear Walschaerts Loco brake Steam
Performance figures Tractive effort 37,335 lbf (166.07 kN) Factor of adh. 4.08
Career Operators Indian Railways Number in class IR: 194

Functional testing of the first ‘X-Dominion’ locomotive built at the Montreal (Quebec) plant, for shipment to India under the Mutual Aid Agreement of the Council in November 1943. (‘X-Dominion’ later class CWD).

The Indian locomotive class XD was a class of 2-8-2 "Mikado" type steam locomotives used on 5 ft 6 in (1,676 mm) broad gauge lines in India. It is known as CWD class in Pakistan

Variants

AWD: Similar design made by Baldwin Locomotive Works in the World War II period.

CWD: Similar design made by the Canadian Locomotive Company and the Montreal Loco Works. Along with AWD, the largest imported class, numerically.

See also

• Rail transport in India § History
• Indian Railways
• Locomotives of India