GML10

GML10 is a diesel-electric locomotive built by Clyde Engineering, Kelso for the Goldsworthy Mining Company in 1990.

GML10
Type and origin
Power typeDiesel-electric
BuilderClyde Engineering, Kelso
Serial number90-1277
ModelEMD JT42C
Build date1990
Total produced1
Specifications
Configuration:
​
 • UICCo′Co′
Gauge1,435 mm (4 ft 8 1⁄2 in) standard gauge
Length18.87 m (61 ft 11 in)
Loco weight132 tonnes (130 long tons; 146 short tons)
Fuel typeDiesel
Prime moverEMD 12-710G3
AlternatorEMD AR11-WBA-CA5
Traction motorsEMD D87ETR
Cylinders12
Performance figures
Maximum speed121 km/h (75 mph)
Power output2,460 kW (3,300 hp)
Tractive effort413 kN (93,000 lbf)
Career
OperatorsGoldsworthy Mining Company
Number in class1
NumbersGML10
DeliveredMay 1990
First runApril 1990
Current ownerQube Logistics
Disposition1 in service

History

GML10's design is a "hybrid" of two earlier classes of Clyde-built locomotives - its frame and bodywork are essentially copied from the N class built for V/Line between 1985 and 1987, while its traction equipment and mechanical configuration is much closer to that employed on Australian National's DL class.

Construction commenced almost immediately after the final DL class unit had been delivered, and in April 1990 the new locomotive undertook a trial run of approximately 82 kilometres to Lithgow.[1] It was subsequently worked to Perth in May 1990 at the head of a normal freight service, before being moved by road to the Goldsworthy railway.[2]

Goldsworthy were acquired by BHP Iron Ore in late 1990, and during the amalgamation with BHP's other railway operations GML10 was renumbered to GML20 to avoid having two locomotives both using number 10.[3]

In 1994 BHP listed the locomotive for sale, having elected to standardise on an all-General Electric fleet.[3] It was purchased by Comalco in August of that year and renumber R1004, for use on its 20 km (12 mi) bauxite railway at Weipa, Queensland.[3][2]

In 2009, R1004 was sold to Australian Locolease who resold it to Qube Logistics. In late 2010 it was shipped to Newcastle before being taken to Chicago Freight Car Leasing Australia's Goulburn Railway Workshops for overhaul in March 2011.[2] It returned to service in August 2011 as GML10 operating Qube services in South Australia and Victoria.

Though Clyde never built another GML class locomotive, the design did become the basis of FreightCorp's 82 class, of which 58 were built between 1994 and 1995.[3]

Liveries

GML10 was outshopped in a version of the V/Line orange and grey colour scheme, albeit without logos. After Goldsworthy's acquisition by BHP, it was repainted into BHP blue and white. After being sold to Comalco, it was repainted in their yellow and red colour scheme. Since 2011, it has worn Qube's silver and yellow.

gollark: What I can easily do is construct a backdoor which nobody else can use, but I don't think that qualifies.
gollark: And practical hidden flaws are more like "if you encrypt 2^16 bytes with the same key it is possible to determine some of the plaintext with slightly higher probability" or known plaintext attacks and such, rather than "hahaha any message whatsoever can be decrypted".
gollark: I have some rough ideas but they'd probably be obvious to anyone competent.
gollark: I would, but I would have to actually know cryptography, which is nontrivial.
gollark: ddg! Dual_EC_DRBG

References
  1. Railway Digest July 1990 page 251
  2. "Around Australia with R1004 and friends" Railway Digest April 2011 page 26
  3. Oberg, Leon (2007). Locomotives of Australia: 1850s-2007. Rosenberg Publishing. p. 411. ISBN 1-877058-54-8.
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