New South Wales 442 class locomotive

New South Wales 442 class locomotive
New South Wales 442 class
Silverton Rail liveried locomotive 442s3
Power type Diesel-electric
Builder A. E. Goodwin Ltd. (34)
Commonwealth Engineering (6)
Serial number G-6045-01 to G-6045-40
Model Alco DL-500G
Total produced 40
UIC classification Co′Co′
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Wheel diameter 40 in (1,016 mm)
Length Over headstocks: 57 ft 1 in (17.40 m),
Over coupler pulling faces 61 ft 3 in (18.67 m)
Width 9 ft 7 1⁄2 in (2.93 m)
Height 13 ft 11 in (4.24 m)
Axle load 18 tons 16 cwt (42,100 lb or 19.1 t)
Locomotive weight 113 tons 0 cwt (253,100 lb or 114.8 t)
Fuel type Diesel fuel
Fuel capacity 1,200 imp gal (5,500 l; 1,400 US gal)
Lubricant capacity 165 imp gal (750 l; 198 US gal)
Coolant capacity 210 imp gal (950 l; 250 US gal)
Sandbox capacity 20 cu ft (0.57 m3)
Prime mover Alco 12-251C
Engine RPM range 400–1025
Engine type Four-stroke diesel
Aspiration Turbocharged
Alternator 44235–44240: Mitsu Alternator
Generator 44201–44203: GT 586,
44204–44205: AEI 5301,
44206–44220: AEI 5302,
44221–44234: AEI 5301
Traction motors 44201–44220: GE 750,
44221–44234: AEI 165,
44235–44240: Mitsu MB-451-AUR
Cylinders V12
Cylinder size 9 × 10.5 in (229 × 267 mm)
Top speed 120 km/h (75 mph)
Power output Gross: 2,150 hp (1,600 kW),
For traction: 2,000 hp (1,490 kW)
Tractive effort 52,000 lbf (231.31 kN) at 11.75 mph (18.9 km/h)
Career New South Wales Government Railways
Number 44201–44240
Nicknames Jumbos
First run 29 March 1971

The 442 class locomotives (nicknamed "Jumbos") were ordered and operated by the New South Wales Government Railways. They were the second generation of Alco units to be built, and were used on both main freight and passenger service in New South Wales, and throughout Australia since entering private ownership. The 442s have an Alco 12-251C engine, developing 1,491 kilowatts (2,000 hp). They operated on standard gauge, have Co-Co axles, have a mass of 115 t and have a maximum speed of 120 km/h. They are identical to the South Australian Railways 700 class.

Contents

Construction

The 442 class were built from 1971 to replace the 40 class locomotives dating 1951, as they could not be economically rebuilt to modern standards. Twenty locomotives were initially ordered from A. E Goodwin, the contract stipulating that the 40 class be accepted as a trade in, with some parts from the older units were used for the new locomotives. The contract was later extended by 20 units to 40 to allow the entire NSW main line network to be dieselised.[1]

The first locomotives was completed in October 1970 but was rejected by the NSWGR due to rough riding concerns in testing, with five months passing before it was finally accepted after modifications to the bogie design. Soon after A. E Goodwin collapsed financially, and production of the class came to a standstill. Rival company Commonwealth Engineering of Granville obtained the Australian Alco franchise, and completed the locomotives from 44235 upwards. The last unit was delivered in October 1973.[1] They were originally delivered in NSWGR Tuscan Red, some later being repainted into the 1980s 'Candy' livery, and 1990s FreightCorp blue.

Disposal and sale

In 1994 the New South Wales government railways (FreightCorp) began receiving the first of their 58 double ended 3300 HP 82 class and 30 single ended 4000 HP 90 class. This spelt the end of the class, with 19 of the class auctioned to the private operators in December 1994. 44220, 44217, 44203 and 44202 were bought by Silverton Rail, who repainted them into their yellow and blue corporate livery as well as renumbering them 442s1 through 442s4. They also acquired 44235 and 44237 in 1998 for parts. 44229 and 44233 were sold to Austrac based in Junee, New South Wales.[1]

The last FreightCorp (government) owned units were retired in 1998 - 44211 and 44212.[1] 44211 was chosen for preservation, and is currently at New South Wales Rail Transport Museum, operating tours.

Rebuilding

Locomotives rebuilding firm Morrison Knudsen Australia purchased twelve units, and intended to rebuild these locomotives to haul roadrailer trains. It was planned to remove the Alco prime mover and generator, and replace it with a rebuilt EMD 645F 16 cylinder engine mated to a AR10 alternator.[2] To allow this the locomotive frame would be cut in half and a new section 1.5 metres long welded into the middle to lengthen it, and the number 2 end cab would be blanked off, making the locomotive single ended.

Preliminary work was carried out for the project before it was cancelled in mid 1995. As a result 10 of the locomotives were scrapped at their Whyalla plant, but some parts were later used in the RL class project. 44223 and 44226 were placed into storage until 1996, when they were sold to the Silverton Tramway Company and renumbered as 442s5 and 442s6. They re-entered service in 1998 and 1999 respectively.[2]

With the sale of FreightCorp further surplus locomotives were sold, with 14 of the class being sold to Great Northern Rail Services of Victoria in 2001, who overhauled some units to enable them to re-enter service. These locomotives soon passed to Chicago Freight Car Leasing Australia, who contracted United Goninan of Broadmeadow, New South Wales to rebuild 12 units with refurbished General Electric C30-7A components, in what is now the 2240 kW "GL class".[1]

44202 was sold to QUBE Logistics in mid/late 2010.

Modeling

The 442 was produced along with the SAR 700 class by Austrain in Ready to Run HO scale.

References

  1. ^ a b c d e Oberg, Leon (1962). Locomotives of Australia. Rosenberg Publishing. p. 367. ISBN 9781877058547. 
  2. ^ a b Fitzgerald, Antony (1962). Morrison Knudsen in Australia. Everleigh Press. pp. 6–43. 

  • 44220 at Broadmeadow Loco circa 1990

  • 44207 at Broadmeadow Loco circa 1990

  • 44218 in FreightCorp Blue and 7317 in 'Candy' liveries at Broadmeadow Loco roundhouse circa 1990

  • 44206 rolls onto the Broadmeadow Loco roundhouse turntable circa 1990

  • 44206 rolling off the Broadmeadow Loco roundhouse turntable circa 1990

  • Class leader 44201 with 4487 and 3507 at Broadmeadow Loco circa 1990

  • 44213 and 44224 - 'double jumbos' at Broadmeadow Loco circa 1990

  • 44240 in 'FreightCorp Blue' livery at Broadmeadow Loco circa 1990

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