The J-class is a Bo-Bo

Bo-Bo

A Bo-Bo or Bo′Bo′ is a locomotive with two independent four-wheeled bogies with all axles powered by individual traction motors...

 diesel-electric locomotive, built by Clyde Engineering in Granville, NSW, for the Western Australian Government Railways

Western Australian Government Railways

Western Australian Government Railways was most common name of the Western Australian government rail transport authority from 1890 to 1976. It is, in its current form, known as the Public Transport Authority of Western Australia....

. Adapted from the EMD G6B design and based on the VR Y-class

Victorian Railways Y class (diesel)

The Victorian Railways Y class diesel electric locomotive is a small branch line and shunting unit built by Clyde Engineering . Three separate orders were delivered...

, they were first introduced in July of 1966, and were used for shunting on the new standard gauge

Standard gauge

The standard gauge is a widely-used track gauge . Approximately 60% of the world's existing railway lines are built to this gauge...

 system. Initially working construction trains on the Kwinana-Leighton standard-gauge line, they were re-allocated to Avon, Leighton and Midland yards once regular services began. Powered by a 6 cylinder EMD 567

EMD 567

The EMD 567 is a line of diesel engines built by General Motors' Electro-Motive Division. This engine, which succeeded Winton's 201-A, was used in EMD's locomotives from 1938 until its replacement in 1966 by the EMD 645. It has a bore of , a stroke of and a displacement of 567 in³ per cylinder...

C producing 600hp, these locomotives are carried by Clyde Bo-Bo flexicoil bogies fitted with stronger traction motors than the Y-class, being rated at 155kW. There are 5 locomotives in the class, numbered J101 to J105.

J101

• Entered service in July 1966.
• Withdrawn from service at Midland Workshops in September 1986, it was used as a source of spares for the 567C-engined A-class mainline locomotives. The remaining shell was scrapped in 1993.

J102

• Entered service in August 1966.
• Sold to GNR in 1995.
• Sold to CFCLA in December 2002.
• Repainted into Southern Shorthaul Rail (SSR) livery in April 2004.

J103

• Entered service in September 1966.
• Sold to GNR in 1995.
• Sold to CFCLA in December 2002.
• Repainted into SSR livery in April 2004.

J104

• Entered service in September 1966.
• Last unit in service to the WA Government as a shunter at West Merriden yards.
• Sold to Great Northern Rail Services (GNR) in 1995. Sold to Rail Technical Services (RTS) in 1996 and repainted into RTS blue livery.
• Sold to Genessee and Wyoming Australia (GWA) in 2003 and repainted into Freightlink livery for use in Alice Springs.
• Re-entered service in 2004 as FJ104.

J105

• Entered service in October 1966.
• Sold to GNR in 1995 and repainted into National Rail livery in 1996.
• Sold to CFCLA in December 2002.
• Sold to GWA in 2003 and repainted into Freightlink livery for use in Darwin.
• Re-entered service in 2004 as FJ105.

See also

• Victorian Railways Y class (diesel)
  Victorian Railways Y class (diesel)
  The Victorian Railways Y class diesel electric locomotive is a small branch line and shunting unit built by Clyde Engineering . Three separate orders were delivered...
  
  
• List of Western Australian locomotive classes
• WAGR J class
  WAGR J class
  The J-class was a class of steam locomotives of the Western Australian Government Railways introduced in 1890s. Their wheel arrangement was 4-6-0.The J class operated on narrow gauge lines....
  
  - earlier class of steam locomotives from the 1890s