BHP Port Kembla D1 class

The D1 class were a class of diesel locomotives built by Commonwealth Engineering, Granville with English Electric traction equipment for Australian Iron & Steel's, Port Kembla steelworks in 1950-1951.

BHP Port Kembla D1 class
Type and origin
Power typeDiesel-electric
BuilderCommonwealth Engineering, Granville
Build date1950-1951
Total produced8
Specifications
Configuration:
  UICBo-Bo
Gauge1,435 mm (4 ft 8 12 in) standard gauge
Wheel diameter3 ft 8 in (1,118 mm)
Wheelbase30 ft 6 in (9.30 m)
Length41 ft (12.50 m)
Width9 ft 3 in (2,819 mm)
Height14 ft (4,267 mm)
Adhesive weight21.75 long tons
(22.1 t; 24.4 short tons)
Loco weight87 long tons
(88.4 t; 97.4 short tons)
Fuel typeDiesel
Fuel capacity600 imp gal
(2,700 L; 720 US gal)
Lubricant cap.82 imp gal
(370 L; 98 US gal)
Coolant cap.100 imp gal
(450 L; 120 US gal)
Prime moverEnglish Electric 8SRKT Mk I
RPM range450 to 750 rpm
Engine typefour stroke, 8 in line, two valves per cylinder
Aspirationturbocharged
GeneratorEnglish Electric 819
Cylinders8
Cylinder size10 in × 12 in
(254 mm × 305 mm)
Loco brake Air
Train brakesAir
Performance figures
Maximum speed21 miles per hour (34 km/h)
Power output880 hp (660 kW) gross, 800 hp (600 kW) net
Tractive effort:
  Starting57,000 lbf (253.5 kN)
  Continuous23,500 lbf (104.5 kN) at 10.2 mph (20 km/h)
Career
OperatorsAustralian Iron & Steel
Number in class8
NumbersD1-D8
First run4 May 1950
Retired2004
PreservedD1, D6, D7
Disposition2 preserved, 1 stored,
5 scrapped

History

In May 1950, D1 became the first diesel to operate on an Australian main line. The eight D class locomotives hauled trains on Australian Iron & Steel's, Port Kembla until a downturn in the early 1980s saw most of the class withdrawn.[1][2][3] D6 and D7 were reactivated with the former remaining in service until 2004.[4]

Three have been preserved:[5]

References

  1. Oberg, Leon (1984). Locomotives of Australia 1850s-1980s. Frenchs Forest: Reed Books. pp. 186–187. ISBN 0 730100 05 7.
  2. "Australian Iron & Steel" Railway Digest October 1986 pages 299-303
  3. 750 Class (Port Kembla) Archived 2014-02-02 at the Wayback Machine Railpage
  4. Dunn, John (2006). Comeng: A History of Commonwealth Engineering Volume 1: 1921-1955. Kenthurst: Rosenberg Publishing. p. 166. ISBN 1877058424.
  5. Port Kembla - Diesel Locomotive Fleetlisting Light Rail Research Society of Australia

Railway Transportation, November 1951, 'D-E locos and 60-ton cars boost operations for AI&S'

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