NZR DX class
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NZR DX class

DXB 5143, the first locomotive to be painted in the KiwiRail livery, stands at Wellington Railway Station Platform 9 on 1 July 2008.
NameNZR DX class
PowertypeDiesel-Electric
CaptionDXB 5143, the first locomotive to be painted in the KiwiRail livery, stands at Wellington Railway Station Platform 9 on 1 July 2008.
Builddate1972 - 1975
BuilderGeneral Electric, United States
AxleloadDX 16.25 t
DXR 17.5 t
WeightondriversDX 97.5 t
DXR 105 t
WeightDX 97.5 t
DXR 105 t
UicclassCo-Co
BuildmodelU26C
FirstrundateDX 1972
DXR 1993
DXC 1997
Disposition2 rebuilt as DXR (both in service)
1 withdrawn
46 in service
Gauge1067al=onlk=on
Numinclass49
Nicknames"Dixies" (DX) "The Pig" (DXR 8007)
Roadnumber2600 - 2648 (original)
5016 - 5520 (TMS)
DXR 8007, 8022
PoweroutputDX/DXB/DXC
2050 kW original
2240 kW uprated
DXB/DXC/DXR
2420 kW
Topspeed105 km/h (65.2 mph)
Length16.9 m (10.5 ftin)
Width2.74 m (1.7 ftin)
Height3.70 m (2.3 ftin)
Transmission25/64 gear ratio
PrimemoverGeneral Electric 7FDL-12
Rpmrange400 - 1050 rpm
AlternatorGeneral Electric GTA-11
TractionmotorsSix
TractiveeffortDX 259 kN (160.9 lbf) continuous

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The NZR DX class is a class of 49 Co-Co diesel-electric locomotives that currently operate on New Zealand's national railway network.

Built by General Electric in Erie, Pennsylvania, United States, they were introduced to New Zealand between 1972 and 1976. The class is based on the General Electric U26C class, a narrow-gauge version of the GE U23C class. The U26C class is also used in South Africa (Class 34), Brazil, and Kenya.

The locomotives were initially confined to the North Island Main Trunk and Marton - New Plymouth Line, due to their high axle loading, and the need for the extra power of the DX on these lines. After the electrification of the central section of the North Island Main Trunk in 1988, members of the class were redistributed, including to the South Island.

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Upgrades :
Key:

Upgrades :
TMS No. Original No. Livery Dates in operation Status Allocated to Notes
DXB 5016 2600 KiwiRail November 1972 - In service North Island
DXB 5022 2601 KiwiRail November 1972 - In service North Island
DXC 5039 2602 KiwiRail November 1972 - In service South Island
DXB 5051 2604 KiwiRail November 1972 - In service North Island
DXB 5068 2605 KiwiRail November 1972 - In service North Island
DXB 5074 2606 KiwiRail November 1972 - In service North Island 2240kW engine.
DXB 5080 2607 KiwiRail November 1972 - In service North Island
DXB 5097 2608 KiwiRail November 1972 - In service North Island
DXB 5108 2609 KiwiRail November 1972 - In service North Island
DXB 5114 2610 KiwiRail November 1972 - In service North Island
DXB 5120 2611 KiwiRail November 1972 - In service North Island 2240kW engine.
DXB 5137 2612 KiwiRail November 1972 - In service North Island
DXB 5143 2613 KiwiRail November 1972 - In service North Island
DXB 5166 2614 KiwiRail November 1972 - In service North Island
DXC 5172 2615 Toll Rail ("Corn Cob") December 1975 - In service South Island
DXC 5189 2616 KiwiRail December 1975 - In service South Island
DXC 5195 2617 Tranz Rail Black ("Bumble Bee") December 1975 - In service South Island
DXC 5206 2618 Toll Rail ("Corn Cob") December 1975 In service South Island
DXC 5212 2619 Toll Rail ("Corn Cob") January 1976 - In service South Island
DXC 5229 2620 Tranz Rail Black ("Bumble Bee") February 1976 - In service South Island
DXC 5241 2622 Toll Rail ("Corn Cob") January 1976 - In service South Island
DXC 5258 2623 Toll Rail ("Corn Cob") February 1976 - In service South Island
DXC 5264 2624 Toll Rail ("Corn Cob") February 1976 - In service South Island
DXC 5270 2625 Toll Rail ("Corn Cob") February 1976 - Under Overhaul South Island KiwiRail repaint.
DXC 5287 2626 Toll Rail ("Corn Cob") February 1976 - In service South Island
DXC 5293 2627 KiwiRail February 1976 - In service South Island
DX 5304 2628 KiwiRail February 1976 - Under Overhaul South Island DXC rebuild / KiwiRail repaint.
DX 5310 2629 Tranz Rail Blue March 1976 - Under Overhaul South Island DXC rebuild / KiwiRail repaint.
DXC 5327 2630 Tranz Rail Black ("Bumble Bee") August 1976 - In service South Island DFT style shorthood fitted.
DX 5333 2631 KiwiRail March 1976 - Under Overhaul South Island DXC rebuild / KiwiRail repaint.
DXC 5356 2632 Toll Rail ("Corn Cob") September 1976 - In service South Island
DXC 5379 2634 Toll Rail ("Corn Cob") April 1976 - In service South Island
DXC 5385 2635 Toll Rail ("Corn Cob") April 1976 - In service South Island
DXC 5391 2636 KiwiRail April 1976 - In service South Island
DXC 5402 2637 Toll Rail ("Corn Cob") September 1976 - In service South Island
DXC 5419 2638 Tranz Rail Black ("Bumble Bee") May 1976 - In service South Island
2639 Clockwork Orange May 1976 - 23 March 1977 Scrapped September 1978. North Island Crashed near Newmarket
DXC 5425 2640 Toll Rail ("Corn Cob") May 1976 - In service South Island
DXC 5431 2641 Toll Rail ("Corn Cob") July 1976 - In service South Island
DXB 5448 2642 KiwiRail July 1976 - In service South Island
DXC 5454 2643 KiwiRail May 1976 - In service South Island
DXC 5460 2644 KiwiRail July 1976 - In service South Island
DXC 5477 2645 KiwiRail June 1976 - In service South Island
DX 5483 2646 Tranz Rail Blue July 1976 - In service South Island
DXC 5500 2647 Toll Rail ("Corn Cob") August 1976 - In service South Island
DXC 5517 2648 Tranz Rail Black ("Bumble Bee") August 1976 - In service South Island
DXC 5520 2603 KiwiRail November 1972 - In service South Island Formerly DX 5045
DXR 8007 2633 KiwiRail April 1976 - 1993 (rebuilt) In service North Island Formerly DX 5362
DXR 8022 2621 Toll Rail ("Corn Cob") January 1976 - 1995 (rebuilt 2001) In service North Island Formerly DX 5235

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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