WAGR Z class

Western Australian Government Railways Z class
Z1152 just after entering service on 24 November 1953
Type and origin Power type Diesel-mechanical Builder Robert Stephenson and Hawthorns, Newcastle upon Tyne as subcontractor to Drewry Car Co Serial number Robert Stephenson and Hawthorns: 7736-7738 Drewry Car Co: 2401-2403 Build date 1953 Total produced 3
Specifications Configuration: ​  • Whyte 0-6-0DM  • AAR C  • UIC C Gauge 3 ft 6 in (1,067 mm) Length 5.75 m (18 ft 10 in) Loco weight 15.13 tonnes (14.89 long tons; 16.68 short tons) Fuel type Diesel Prime mover Gardner 8LW RPM range 600-1700 rpm Engine type Four-stroke Inline Eight-cylinder Water-cooled Diesel engine Displacement 11.16 litres (2.45 imp gal; 2.95 US gal) Cylinders 8 Cylinder size 4.5 in × 6 in (110 mm × 150 mm) Transmission Mechanical Loco brake Air brake Train brakes Vacuum brake
Performance figures Maximum speed 28 km/h (17 mph) Power output 140 hp (100 kW) Tractive effort: ​  • Starting 38.21 kN (8,589.95 lbf)
Career Operators Western Australian Government Railways (former) Number in class 3 Numbers Z1151, Z1152 & Z1153 Locale Western Australia First run October 1953 Withdrawn January 1983 Current owner Steamtown Peterborough Railway Preservation Society, Hotham Valley Railway & Boulder Loopline Railway Disposition All preserved

The Western Australian Government Railways (WAGR) Z class was a class consisting of three lightweight six-wheeled diesel-mechanical locomotives which were active in Western Australia from November 1953 to January 1983 and which have since been preserved.