NZR DQ class
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NZR DQ class

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The NZR DQ and QR class locomotives are two classes of mainline diesel-electric locomotives in New Zealand and Tasmania, Australia. Originally Queensland Rail 1460 and 1502 class, they were purchased by New Zealand Rail Limited in 1995 to be rebuilt, as a cheaper alternative to buying new locomotives. Most of them were rebuilt as the DQ class, with rebuilt cabs and lowered short hoods, with the remainder receiving only minimal alteration before being used as QR trailing locomotives. All were painted in the corporate livery of light blue and yellow before being put into Tranz Rail service.

They were not favoured by their crews due to complaints of rough riding and excessive cab noise. They were also considered unreliable by senior management, and are now mainly used for short-haul runs, such as on the final leg of coal trains from the West Coast between Christchurch and the port of Lyttelton. They are also used as bankers to help trains up the steep grade out of Picton.

In 1998 Tranz Rail began to export locomotives to Tasmania for use on TasRail, then part-owned by Tranz Rail. In total, 12 DQ were exported, along with three unrebuilt QR class.

, only three DQ remained in service (all in the South Island); the remaining QR have been sold after lengthy periods of storage at the Hutt Workshops. DQ 6347 was toppled on its side after derailing at Picton and very little work has been done on it since.

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Key:

QR no. TMS no. TasRail no. Dates in operation  Allocated to Current livery Status
1460 DQ 6382 September 1997 South Island Tranz Rail Blue
1462 QR 2027 October 1997 Stored Mount Vernon, Illinois
1465 DQ 6416 DQ 2006 February 1999 Sold to TasRail
1466 QR 2033 DQ 2010 February 1999
1467 DQ 6376 May 1998 South Island Tranz Rail Blue
1468 DQ 6330 DQ 2005 December 1997 Sold to TasRail
1472 DQ 6353 DQ 2008 April 1998 Sold to TasRail
1473 DQ 6324 September 1997 South Island Toll Rail ("Corn Cob")
1475 QR 2056 September 1997 Sold to TasRail. Withdrawn.
1477 QR 2062 October 1997 Sold to TasRail
1481 DQ 6347 February 1998 South Island Toll Rail "Corn Cob" Under Overhaul/Kiwirail repaint Hutt Workshops.
1485 DQ 6399 DQ 2007 February 1999 Sold to TasRail
1488 QR 2079 November 1997 Stored Mount Vernon, Illinois
1489 QR 2085 December 1998 Stored Mount Vernon, Illinois
1491 DQ 2009 September 2009 Sold to TasRail
1493 QR 2102 November 1997 Sold to TasRail. Withdrawn.
1495 DQ 2011 September 1999 Sold to TasRail.
1497 DQ 2012 September 1999 Sold to TasRail
1499 Frame only, stored Hutt Workshops.
1500 Stored Mount Vernon, Illinois
1501 Stored Mount Vernon, Illinois
1502 QR 3032 DQ 2004 December 1997 Sold to TasRail.
1508 DQ 6036 DQ 2003 December 1998 Sold to TasRail
1521 DQ 6007 DQ 2001 October 1996 Sold to TasRail. Being rebuilt.
1522 DQ 6013 DQ 2002 August 1998 Sold to TasRail

Rail vehicles of New Zealand

Battery electric locomotivesE - EB
Diesel locomotivesDA (inc. DAA, DAR) - DB (inc. DBR) - DC (inc. DCP) - DE - DF (English Electric) - DF (General Motors) inc. DFT - DG (inc. DH of 1956) - DH of 1978 - DI - DJ - DL - DQ (inc. QR) - DS - DSA - DSB - DSC - DSG - DSJ - DX (inc. DXB, DXC and DXR) - TR
Diesel Multiple UnitsADK (inc. ADB trailers) - ADL (inc. ADC trailers)
Electric locomotivesEA (later EO of 1968) - EC - ED - EF - EO of 1923 - EW
Electric Multiple UnitsDM (inc. D trailers) - EM (inc. ET trailers) - "Matangi" FP (inc. FT trailers)
RailcarsRM class railcars: 88 seater (also known as Fiats or twinsets) - Clayton steam railcar - Edison battery-electric railcar - Leyland diesel railbus - Leyland experimental petrol railcar - MacEwan-Pratt petrol railcar - Model T Ford railcar - Sentinel-Cammell steam railcar - Silver Fern - Standard - Thomas Transmission - Vulcan - Wairarapa - Westinghouse

Non-RM class railcar: A 88 Buckhurst petrol carriage

Steam locomotivesA of 1873 - A of 1906 (inc. Ad) - AA - AB - B of 1874 - B of 1899 - BA - BB - BC - C of 1873 - C of 1930 - D of 1874 - D of 1929 - E of 1872-75 - E of 1906 - F - FA (inc. FB) - G of 1874 - G Garratt of 1928 (inc. Pacific rebuild) - H - J of 1874 - J of 1939 - JA - JB - K of 1877 - K of 1932 - KA - KB - L - LA - M - N - NA - NC - O - OA - OB - OC - P of 1876 - P of 1885 - Q of 1878 - Q of 1901 - R - S - T - U - UA - UB - UC - UD - V - W - WA - WAB (inc. WS) - WB - WD - WE - WF - WG - WH - WJ - WW - X - Y
Locomotive hauled carriages50-foot carriage - 56-foot carriage - ex-British Rail Mark 2 carriage- AK carriage - FM class guards van
See also: Locomotives of New Zealand; Motive power explanation; Multiple units and Railcars descriptions.



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