WAGR X class

WAGR X class
Preserved XA 1401 at the Hotham Valley Railway in July 2011
Type and origin Power type Diesel-electric Builder Beyer, Peacock Metropolitan-Vickers Serial number 830–877 Build date 1954–1956 Total produced 48
Specifications Configuration: ​  • UIC 2′Do2′ Gauge 1,067 mm (3 ft 6 in) Length 14.63 m (48 ft 0 in) Loco weight 80 t (79 long tons; 88 short tons) Fuel type Diesel Prime mover Crossley HST-Vee8 Engine type Two-stroke V8 diesel Aspiration Exhaust pulse-charged Generator MV TG4203 Traction motors MV136 Cylinders 8
Performance figures Maximum speed 89 km/h (55 mph) Power output 779 kW (1,045 bhp)
Career Operators Western Australian Government Railways Number in class 48 Numbers X 1001–X 1032 XA 1401–XA 1416 Nicknames Hummingbirds Submarines First run 4 May 1954 Retired 31 March 1988 Preserved X 1001 XA 1401 XA 1402 XA 1405 XA 1411 XA 1415 Disposition 6 preserved, remainder scrapped

The WAGR X class is a now-withdrawn class of diesel locomotives built by Beyer, Peacock & Company and Metropolitan-Vickers, Bowesfield Works, Stockton-on-Tees for the Western Australian Government Railways (WAGR) between 1954 and 1956. Several members of the class have been preserved.