MRWA E class

The MRWA E class was a single member class of diesel-hydraulic shunting (switching) locomotive built by Commonwealth Engineering, Bassendean, Western Australia, for the Midland Railway of Western Australia (MRWA) in 1957. The locomotive was later owned and operated by the MRWA's successor, the Western Australian Government Railways (WAGR).

MRWA E class
E30 at the Railway Museum, Bassendean, 2014
Type and origin
Power typeDiesel-hydraulic
BuilderCommonwealth Engineering, Bassendean
Total produced1
Specifications
Configuration:
​
 • AARC
 • UICCo'
Gauge3 ft 6 in (1,067 mm)
Wheelbase8 ft 6 in (2.59 m)
Length18 ft 4 in (5.59 m) (over headstocks)
Width7 ft 6 in (2.29 m)
Height10 ft 7 in (3.23 m)
Axle load10 long tons (10 t; 11 short tons)
Loco weight26 long tons (26 t; 29 short tons)
Fuel typeDiesel
Fuel capacity96 imp gal (440 L; 115 US gal)
Lubricant cap.7.5 imp gal (34 L; 9.0 US gal)
Prime moverRolls-Royce C6SFL
Engine typeFour-stroke diesel
AspirationSupercharged
Cylinders6
Cylinder size5.125 in × 6 in (130.2 mm × 152.4 mm)
(bore x stroke)
TransmissionTwin disc type DF 11,500 Hydraulic converter
Performance figures
Maximum speed25 mph (40 km/h)
Power output250 hp (190 kW)
Tractive effort18,000 lbf (80 kN) (starting)
Factor of adh.3.24
Career
OperatorsMidland Railway of Western Australia
Number in class1
NumbersE30
First runFebruary 1957
Retired18 February 1983
DispositionPreserved

Service history

The single member of the class, E30, entered service with the MRWA in February 1957 as its first diesel powered locomotive.[1] E30 also ended up being the company's only Western Australian made locomotive.[2]

Together with the rest of the MRWA's assets and operations, E30 was taken over by the WAGR in 1964.[2]

The locomotive was withdrawn from WAGR service on 18 February 1983 (1983-02-18), and has since been preserved at the Rail Heritage WA Railway Museum at Bassendean, Western Australia.[2]

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See also

References

Notes
  1. Part 3 - Dieselization Perth Republika
  2. Gunzburg 1989, pp. 40–44, 49.

Bibliography
  • Dunn, John (2008). Comeng: A History of Commonwealth Engineering. 2: 1955-1966. Kenthurst: Rosenberg Publishing. ISBN 9781877058738.
  • Gunzburg, Adrian (1968). WAGR Locomotives 1940–1968. Perth: Australian Railway Historical Society (Western Australian Division). pp. 39, 49. OCLC 219836193.
  • Gunzburg, Adrian (1989). The Midland Railway Company Locomotives of Western Australia. Melbourne: Light Railway Research Society of Australia. ISBN 0909340277.
  • "New Diesel Shunter for Midland". Railway Transportation. Surry Hills, NSW: Shennen Publishing & Publicity Co. July 1957. ISSN 0033-9024. OCLC 220305870.

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