Downer EDI Rail GT42CU ACe

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GT42CU ACe
QRNATIONAL 4140.JPG
QR National 4140 at Downer Rail, Maryborough in September 2010
Type and origin
Power typeDiesel-electric
Builder Downer Rail, Maryborough
Model Electro-Motive Diesel GT42CU ACe
Build date2007–2013
Total produced132
Specifications
Configuration:
   UIC Co'Co'
Gauge 1,067 mm (3 ft 6 in)
Length22.0 m (72 ft 2 in)
Loco weight120 t (120 long tons; 130 short tons)
Fuel type Diesel
Prime mover EMD 12N-710G3B-ES
Engine type V12 Diesel engine
Alternator EMD TA12-QBE/CA7C
Traction motors EMD A2916-8
Cylinders 12
Cylinder size 11.63 L (710 cu in)
Loco brake Dynamic
Train brakes NYAB/Knorr-Bremse CCB II
Performance figures
Maximum speed100 km/h (62 mph)
Power output2,460 kW (3,300 hp)
Career
Operators Aurizon
East Coast Rail
Pacific National
Number in class132
Numbers4101–4140, 4153–4167
ACN4141–ACN4152, ACN4168–ACN4175
8301–8352
GWN001–GWN005
Disposition132 in service

The GT42CU ACe is a model of diesel electric locomotives manufactured by EDi Rail, Maryborough between 2007 and 2013 under licence from Electro-Motive Diesel, for use on narrow gauge railways in Queensland, South Australia and Western Australia.

Contents

History

The GT42CU ACe is an evolution of the GT42CU AC being fitted with a different computer system and traction motors. [1]

In 2006, Queensland Rail placed an initial order for 15, with a further orders increasing the number to 75. These were designated as the 4100 class. [2] Following Queensland Rail purchasing Australian Railroad Group in June 2006, 19 were transferred to Western Australia and reclassified as the ACN class, but retain their original numbers. [3]

The Queensland based units are primarily used on the Blackwater, Moura and Newlands coal networks, and on phosphate trains between Mount Isa and Townsville. The Western Australian-based units are primarily engaged hauling iron ore trains. All were included in the transfer of Queensland Rail's freight business to QR National in July 2010.

Pacific National placed an order for 13 units for coal haulage on the Blackwater system that later grew to 46. These were designated as the 83 class. [4]

In July 2012, One Rail Australia placed an order for five for use in South Australia. [5] Designated the GWN class, they operated on the Arrium iron ore railway to Whyalla Steelworks. [6] [7] They were transferred to Queensland after being displaced by 5 Queensland Railways 2250 class locomotives returning to Australia from South Africa.

A further six were built as a speculative order for Locomotive Demand Power as the LDP class. [8] One was painted in Pacific National livery and numbered 8347 in anticipation of a lease that failed to eventuate, the others were numbered LDP016-LDP020 with all six placed in store in Maryborough. All were included in the sale of Downer Rail's locomotive business to Progress Rail Services and in December 2017, were moved to Redbank Railway Workshops entering service as 8347–8352 with Pacific National in April and May 2018. [9] [10]

Fleet

OperatorClassNumber in classRoad numbersBuiltNotes
Aurizon 4100544101–4140, 4153–41672007–2011Used in Queensland
ACN21ACN4141–ACN4152, ACN4168–ACN41752011–2012Used in Western Australia
East Coast Rail GWN5GWN001–GWN0052012Transferred to QLD during 2019–2020 for Coal workings
Pacific National 83528301–83522008–20138347–8352 built as speculative order in 2013, entered service with Pacific National 2018

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References

  1. 4100 Class Queensland's Rail Interest Group
  2. 4100 Class Railpage
  3. ACN Class Railpage
  4. 83 Class Railpage
  5. "GWA boosts locomotive fleet". Rail Express. 18 July 2012. Archived from the original on 22 February 2014.
  6. GWN Class Railpage
  7. "The new Downer/EDI GWN Class locomotives" Railway Digest May 2013 pages 30–31
  8. LDP Class (GT42CU-AC) Railpage
  9. "Motive Power Roundup" Motive Power issue 117 May 2018 page 74
  10. "LDP Class locomotives become additional 83 Class following Pacific National purchase from Progress Rail" Railway Digest June 2018 page 17