New South Wales 71 class locomotive

Last updated

Arhs 7101 clark.jpg
7101 at Delec Locomotive Depot in 1961
Type and origin
Power typeDiesel-hydraulic
Builder Tulloch Limited, Rhodes
Build date1960
Total produced1
Specifications
Configuration:
   UIC C
Gauge 4 ft 8 12 in (1,435 mm)
Length9.34 m (30 ft 8 in)
Fuel type Diesel
Prime mover Mercedes-Benz
Engine type V12
Cylinders 12
Cylinder size (?)
Transmission Hydraulic
Performance figures
Maximum speed32 km/h (20 mph)
Power output360 kW (480 hp)
Career
Operators New South Wales Government Railways
Number in class1
Numbers7101
First run11 November 1960
Retired21 June 1961
Dispositionsold to Victorian Railways

The 71 class was a class of diesel locomotive operated by the New South Wales Government Railways in Australia.

The New South Wales Government Railways (NSWGR) was the agency of the Government of New South Wales that administered rail transport in New South Wales, Australia, between 1855 and 1932.

Contents

Powertrain

The locomotive was of the 0-6-0 wheel arrangement, fitted with a 12-cylinder Mercedes-Benz engine, Krupp hydraulic transmission and axle-gear and Behr hydraulic cooling equipment.

Mercedes-Benz is a German global automobile marque and a division of Daimler AG. The brand is known for luxury vehicles, buses, coaches, and trucks. The headquarters is in Stuttgart, Baden-Württemberg. The name first appeared in 1926 under Daimler-Benz. In 2018, Mercedes-Benz was the biggest selling premium vehicle brand in the world, having sold 2.31 million passenger cars.

Krupp German family dynasty

The Krupp family, a prominent 400-year-old German dynasty from Essen, is famous for their production of steel, artillery, ammunition and other armaments. The family business, known as Friedrich Krupp AG, was the largest company in Europe at the beginning of the 20th century, and was important to weapons development and production in both world wars. One of the most powerful dynasties in European history, Krupp flourished for 400 years as the premier weapons manufacturer of Germany. From the Thirty Years' War until the end of the Second World War, it produced battleships, U-boats, tanks, howitzers, guns, utilities, and hundreds of other commodities.

Torque converter fluid coupling that transfers rotating power from a prime mover to a rotating driven load

A torque converter is a type of fluid coupling which transfers rotating power from a prime mover, like an internal combustion engine, to a rotating driven load. In a vehicle with an automatic transmission, the torque converter connects the power source to the load. It is usually located between the engine's flexplate and the transmission. The equivalent location in a manual transmission would be the mechanical clutch.

History

Having just completed 25 1,600 mm (5 ft 3 in)650 hp (480 kW) diesel-hydraulic shunting W class locomotives for the Victorian Railways, Tulloch Limited, with a view to receiving an order for similar units, offered the New South Wales Government Railways a similar 1,435 mm (4 ft 8 12 in) standard gauge version in 1960 for a 12-month testing period. The offer was accepted and the unit was taken into service on 11 November 1960 numbered 7101. Although allocated to Delec Locomotive Depot, all servicing was done at Tulloch Limited. No. 7101 was used on local transfer and shunting trips in the Sydney metropolitan area. It operated under conditions similar to the 70-class then in operation.

Victorian Railways transport company

The Victorian Railways (VR), trading from 1974 as VicRail, was the state-owned operator of most rail transport in the Australian state of Victoria from 1859 to 1983. The first railways in Victoria were private companies, but when these companies failed or defaulted, the Victorian Railways was established to take over their operations. Most of the lines operated by the Victorian Railways were of 5 ft 3 in. However, the railways also operated up to five 2 ft 6 in narrow gauge lines between 1898 and 1962, and a 4 ft 8 12 instandard gauge line between Albury and Melbourne from 1961.

Tulloch Limited Australian manufacturer

Tulloch Limited was an Australian engineering and railway rolling stock manufacturer, located at Rhodes, New South Wales.

Delec Locomotive Depot was an Australian locomotive depot purpose built for the servicing of diesel and electric locomotives by the New South Wales Government Railways opening in 1958. Its name is a portmanteau of the locomotive types it serviced.

In mid-1961, Tulloch Limited was experiencing operating difficulties and was unable to fulfil their obligations in regard to the hiring. 7101 was returned on 21 June 1961 and sold to Victorian Railways, who used the locomotive from 4 July on the construction of the North East standard gauge line between Albury and Melbourne. [1] It was repainted in the same colours as the 25 broad gauge units and renumbered W266. [2]

Melbourne City in Victoria, Australia

Melbourne is the capital and most populous city of the Australian state of Victoria, and the second most populous city in Australia and Oceania. Its name refers to an urban agglomeration of 2,080.5 km2 (803.3 sq mi), comprising a metropolitan area with 31 municipalities, and is also the common name for its city centre. The city occupies much of the coastline of Port Phillip bay and spreads into the hinterlands towards the Dandenong and Macedon ranges, Mornington Peninsula and Yarra Valley. It has a population of approximately 5 million, and its inhabitants are referred to as "Melburnians".

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References

  1. Turton, Keith W (1973). Six And A Half Inches From Destiny. Australian Railway Historical Society (Victorian Division). p. 102. ISBN   0-858490-12-9.
  2. The Railway News June 1968 page 11