Commonwealth Railways DR class

Commonwealth Railways DR class
DR1 at the Richmond Vale Railway Museum in 1990
Type and origin Power type Diesel-mechanical Builder Ruston & Hornsby Serial number 327968 Model 165DM Build date 1953 Total produced 1
Specifications Gauge 1,435 mm (4 ft 8+1⁄2 in) standard gauge Wheel diameter 3 ft 2+1⁄2 in (978 mm) Wheelbase 5 ft 9 in (1,753 mm) Length 7.8 m (25 ft 7 in) Width 2.58 m (8 ft 6 in) Height 3.61 m (11 ft 10 in) Loco weight 28.4 t (28.0 long tons; 31.3 short tons) Fuel type Diesel Fuel capacity 80 imp gal (360 L; 96 US gal) Lubricant cap. 18 imp gal (82 L; 22 US gal) Coolant cap. 26 imp gal (120 L; 31 US gal) Prime mover Ruston & Hornsby Mark 6-VPHL Engine type Four-stroke Inline 6 diesel Cylinders 6 Cylinder size 5+1⁄2 in × 8 in (140 mm × 203 mm) Transmission 4 speeds forward & reverse constant mesh gearbox driving via jackshaft Loco brake Westinghouse type W self lapping air
Performance figures Maximum speed 32 km/h (20 mph) Power output 112 kW (150 hp)
Career Operators Commonwealth Railways Number in class 1 Numbers DR1 First run 1953 Disposition 1 preserved

The DR class was a diesel locomotive built by Ruston & Hornsby for Shell in 1954. Shell used it at their Clyde Refinery before it was sold in 1964 to the Commonwealth Railways. It was withdrawn in 1975 and stored at Port Augusta until 1987 when it was sold to the Richmond Vale Railway Museum.