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WAGR B class (diesel)

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Class of Australian diesel-hydraulic locomotives

Western Australian Government Railways B class
B1601 at the Western Australian Rail Transport Museum
Type and origin
Power typeDiesel-hydraulic
BuilderCommonwealth Engineering
Build date1962-1965
Total produced10
Specifications
Configuration:
​
 • AAR0-6-0
 • UICC
Gauge1,067 mm (3 ft 6 in)
Loco weight39.2 long tons (39.8 t; 43.9 short tons)
Fuel typeDiesel
Fuel capacity340 imp gal (1,500 L; 410 US gal)
Prime moverCummins VT-12-BI
Engine typeFour-stroke V12 diesel
AspirationTurbocharged
Cylinders12
TransmissionTwin Disc CF11,500 series
MS450 hydraulic torque converter
Wiseman 15 RLGB/H final drive
Performance figures
Maximum speed26 mph (42 km/h)
Power output473 hp (350 kW)
Tractive effort23,000 lbf (100 kN) (starting)
18,000 lbf (80 kN) (continuous)
Career
OperatorsWestern Australian Government Railways
Number in class10
NumbersB1601-B1610
First run21 March 1962
Last run28 September 1984
Disposition4 preserved, 6 scrapped

The B class were a class of diesel locomotives built by Commonwealth Engineering for the Western Australian Government Railways between 1962 and 1965.

History

The first five B class units entered service in 1962. Three years later, a second batch of five was delivered.

The second batch differed from the first only in having sloping cab sides, to enable the second batch to pass underneath the limited clearance cranes on the Fremantle wharves.

All members of the class spent the whole of their working lives in the Perth metropolitan area, and were written off as a group in September 1984. Some of them have since been preserved.

References

  1. ^ Gray, Bill (2010). Guide to the Collection - The Railway Museum - Western Australia. Bassendean, WA: Rail Heritage WA. p. 26. ISBN 9780980392234.
  2. "Western Australia" Railway Digest February 1985 page 55
  3. "Diesel Hydraulic Locomotive". The Comeng Book. Our Australia. Retrieved 22 July 2012.
  4. B Class WAGR Railpage

Further reading

  • Gunzburg, Adrian (1968). WAGR Locomotives 1940–1968. Perth: Australian Railway Historical Society (Western Australian Division). pp. 38, 49. OCLC 219836193.
Classes of locomotives of the Western Australian Government Railways (WAGR) and Westrail
Steam tender (1,067 mm (3 ft 6 in)) Dm 309
M 388
DB 1588
Steam tank (narrow gauge)
Steam Garratt (narrow gauge)
Diesel-hydraulic (narrow gauge)
Diesel-mechanical (narrow gauge)
Diesel-electric (narrow gauge)
Diesel-electric (standard gauge)
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