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British Rail Class 66

British Rail Class 66
A Class 66 at Eastleigh
Type and origin
Power typeDiesel-electric
BuilderGM Electro-Motive Division
(later Electro-Motive Diesel),
at London, Ontario, Canada, and Muncie, Indiana, USA
ModelJT42CWR[note 1]
Build date
  • 1998–2008
  • 2014–2015
Total produced480 from UK orders, excluding Series 66 imports
Specifications
Configuration:
​
 • UICCo′Co′
 • CommonwealthCo-Co
Gauge1,435 mm (4 ft 8+1⁄2 in) standard gauge
BogiesEMD HTCR-E[1]
Length21.39 m (70 ft 2 in)[2]
Width2.63 m (8 ft 8 in)[3]
Height3.91 m (12 ft 10 in)[3]
Loco weight
  • Original specification:
    127 t (125 LT; 140 ST)[2]
  • UIC II and EU Stage IIIA spec.:
    129.6 t (128 LT; 143 ST)[1]
Fuel capacity
  • Original specification:
  • 8,180 L (1,799 imp gal; 2,161 US gal)[2]
  • UIC II and EU Stage IIIA spec.:
  • 5,670 L (1,247 imp gal; 1,498 US gal)[1]
Sandbox cap.EU Stage IIIA specification: 340 L (21,000 in3)
Prime mover
  • EMD 12N-710
  • Original specification:
    12N-710G3B-EC[2]
  • UIC II specification:
    12N-710G3B-U2
  • EU Stage IIIA specification:
    12N-710G3B-T2[1]
Engine typeTwo-stroke V12 diesel
AspirationTurbocharged
Displacement139.6 L (8,520 in3)
AlternatorEMD AR8/CA6[1]
Traction motors6 × EMD D43TRC[1]
MU workingAAR system[note 2]
Train heatingNone
Loco brakeAir
Train brakesAir (Westinghouse PBL)
Safety systems
Performance figures
Maximum speed
  • Subclass /6: 65 mph (105 km/h)
  • Remainder: 75 mph (120 km/h)[2]
Power output
  • Total: 2,400 kW (3,200 hp)
  • At rails: 1,850 kW (2,480 hp)
Tractive effort:
​
 • Starting409 kN (92,000 lbf)[1]
 • Continuous260 kN (58,000 lbf) at 15.9 mph (25.6 km/h)[1]
Brakeforce68 t (67 LT; 75 ST)
Career
Operators
Numbers
  • 66001–66250
  • 66301–66305
  • 66411–66434
  • 66501–66599
  • 66601–66625
  • 66701–66799
  • 66846–66850
  • 66951–66957
NicknamesShed, Ying Ying
Axle load classRoute Availability 7
First run2 June 1998[5]
DispositionIn service
References to "UIC II" and "EU Stage IIA" relate to emissions control regulations set by the UIC and EU, respectively. In general, and without regard for subsequent modifications, locomotives ordered before 31 December 2002 will be original specification,[5] while those ordered after that date will be either UIC II or EU Stage IIA specification.

The Class 66 is a type of six-axle diesel-electric freight locomotive developed in part from the Class 59, for use on UK railways. Since its introduction the class has been successful and has been sold to British and other European railway companies. In Continental Europe it is marketed as the EMD Class 66 (JT42CWR).


Cite error: There are <ref group=note> tags on this page, but the references will not show without a {{reflist|group=note}} template (see the help page).

  1. ^ a b c d e f g h Product Information: EMD Class 66 Freight Locomotive (JT42CWRM) (PDF). Heusenstamm: EMD Europe GmbH. July 2008. Archived from the original (PDF) on 19 March 2009. Retrieved 7 February 2023.
  2. ^ a b c d e JAH (1 April 1998). "EWS workhorses will deliver savings". Railway Gazette International. DVV Media International. Archived from the original on 2 March 2020. Retrieved 6 February 2014.
  3. ^ a b Vehicle Diagram Book No. 100 for Main Line Diesel Locomotives (PDF). Derby: Mechanical & Electrical Engineering Department, British Railways Board. January 1992. 59-0aA, 59-1aA (in work pp. 115–116). Retrieved 5 February 2023 – via Barrowmore MRG.
  4. ^ Clinnick, Richard (April 2023). "Modernising the Moorgate branch". Rail Express. No. 323. Horncastle: Mortons Media Group. p. 87. ISSN 1362-234X. Two DB Cargo locomotives, Nos. 66039 and 67002, are the 'first in class' for those fleets...
  5. ^ a b Foster, Stefanie (17 April 2013). "Fifteenth anniversary of the Class 66". Rail Magazine. Retrieved 7 February 2023.
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