The 41 class are a class of diesel locomotives built by British Thomson-Houston in the United Kingdom for the New South Wales Department of Railways in 1953 and 1954.
History
In 1950, the New South Wales Government Railways ordered 10 diesel locomotives from Australian General Electric. The construction was sublet to British Thomson-Houston of Rugby in the United Kingdom with the body built by Metro Cammell, Birmingham.41 Class Railpage. The first entered service in December 1953 and the last in February 1955.Class 41 Vicsig. All were delivered painted in verdant green, in the 1960s all were repainted Indian red.
From their earliest days, the locomotives suffered failures including overheating and fires. To try and overcome this the radiators were relocated further to the ends of all ten of the locomotives and air ducting was modified. In addition, two had their mufflers relocated. The modification was considered a success, but not rolled out across the rest of the class. The locomotives were equipped to operate in multiple however the cooling system layout saw radiator heat passing from the leading locomotive to the trailing one, resulting in the equipment being removed.
By the early 1960s with the twin Paxman 12-RPHL engines coming to the end of their useful life, the Mechanical Branch began looking at repowering options. With the cost of repowering and overhauling the Class 41s being two-thirds that of a new Class 48 and repair costs per mile over nine times greater, it was decided not to proceed with this.
One was set aside in December 1957 following two electrical fires, the second in April 1961, the third in September 1969, while overhauls ceased for the rest of the class in 1972 with each locomotive withdrawn as it suffered a major failure, the final locomotive being withdrawn in June 1975. The class were mainly confined to metropolitan Sydney operating local trip workings and shunting at Enfield yard.
Preservation In December 1976, 4102 was placed by the Public Transport Commission in the custody of the NSW Rail Museum and is now a designated NSW heritage item.RailCorp S170 Heritage & Conservation Register RailCorp.Locomotive, Diesel 4102 NSW Government Environment & Heritage.
After it arrived at Thirlmere in January 1977, the seized engine that led to its demise was temporarily repaired by members of the Illawarra Group. In 1982, an engine failed whilst returning from a trip to Picton and as a consequence 4102 was then used as a one-engine shunter until the batteries finally wore out in 1987.
By July 1991, it had moved to CountryLink's XPT Service Centre in Sydenham (where the Paxman engined XPTs are maintained), where a spare engine was installed."4102" Railway Digest August 1991 p. 282. It returned to Thirlmere in November 1992, but was not restored to service."Locomotives and Traffic 4102" Railway Digest March 1993 p. 108. In April 2009, 4102 was moved for further storage at the Broadmeadow Locomotive Depot. In May 2023 it was moved to the Heritage Hub at Chullora Workshops.
Status table NumberSerial NoEntered serviceLast UsedWithdrawnCondemnedScrappedKilometres Travelled410110011 Dec 19536 Jun 197327 Jun 19732 Sep 197411 Jun 1975463,5144102100230 Oct 195330 Jun 197519 Jul 19751 Dec 1975Preserved THNSW492,6504103100318 Jan 19542 Apr 197416 May 19742 Sep 19741 Sep 1975462,871 4104100413 Jan 195412 Oct 197326 Mar 19742 Sep 197429 Aug 1975440,810410510058 Feb 195431 Mar 196101 Apr 1961May 19735 Oct 1972149,2814106100621 Jan 195402 Jan 195805 Jan 1958May 197327 Apr 1973106,9094107100725 Jan 195411 Aug 197326 Mar 19742 Sep 197429 Aug 1975446,1674108100822 Feb 195410 Sep 196910 Sep 1969May 197320 Oct 1972402,0264109100911 Mar 19549 Feb 197227 Jun 19732 Sep 19744 Jun 1975426,0744110101010 Feb 195520 May 197425 May 19742 Sep 19741 Sep 1975476,489
References
Further reading