British Rail Class 10

The British Rail Class 10 diesel locomotive was a variation on the Class 08 diesel-electric shunter in which a Blackstone diesel engine was fitted instead of one made by the English Electric company. Traction motors were by the General Electric Company plc (GEC); the class D3/5 were similar, but had British Thomson-Houston (BTH) traction motors.

British Rail Class 10
.D3634 (never renumbered in "10" series) in BR green at Stratford MPD, July 1967.
Type and origin
Power typeDiesel-electric
BuilderBR Darlington Works (140) and Doncaster Works (6)
Build date1955–1962
Total produced146
Specifications
Configuration:
  Whyte0-6-0
  UICC
Gauge4 ft 8 12 in (1,435 mm) standard gauge
Wheel diameter4 ft 6 in (1.372 m)
Wheelbase11 ft 6 in (3.505 m)
Length29 ft 3 in (8.92 m)
Width8 ft 6 in (2.591 m)
Height12 ft 8 12 in (3.874 m)
Loco weight48.6 long tons (49.4 t; 54.4 short tons)
Fuel capacity668 imp gal (3,040 l; 802 US gal)
Prime moverBlackstone ER6T
Traction motorsGEC nose suspended, 2 off
TransmissionDiesel-electric, double reduction gearing
MU workingNot fitted
Train heatingNone
Train brakesVacuum
Performance figures
Maximum speed27.5 mph (44 km/h)
Power outputEngine: 350 hp (261 kW)
Tractive effortMaximum: 35,000 lbf (155.7 kN)
Continuous: 11,100 lbf (49.4 kN)
Career
OperatorsBritish Railways
Numbers13137–13151; later D3137–D3151, D3439–D3453, D3473–D3502, D3612–D3651, D4049–D4094
Axle load classRA 5
WithdrawnFebruary 1967- June 1972
DispositionFour preserved, remainder scrapped

The locomotives were built at the BR Works in Darlington and Doncaster over the period 1955–1962. At first they were classified D3/4, then 3/1C before becoming Class 10 under TOPS

Technical details

  • Engine: Blackstone 6-cylinder, 4-stroke, ER6T
  • Traction motors: 2 x GEC nose suspended motors

Withdrawn

The class were withdrawn between February 1967 and June 1972.

Table of withdrawals[1]
YearQuantity in
service at
start of year
Quantity
withdrawn
Locomotive numbers
19671466D3151, D3449/96, D3620/28/31.
196814077D3139–40/42/46–48/51,
D3439–48/50–53/73–78/80–82/84–85/87–91/93–95[lower-alpha 1]/97–99.
D3500–02, D3624–27/30/32–33/35–37/40/43,
D4064/71/76/80–94.
19696321D3143–44, D3479/83/92,
D3612–14/16–19/21/23/29/38–39/42/45/47[lower-alpha 2]/49.
1970419D3137/49, D3486, D3638[lower-alpha 3]/44/47, D4052/67/77.
19713414D3141, D3634/41/46/48/50–51, D4050–51/53/55/59–60/65.
19722020D3138/45, D4049/54/56–58/61–63/66/68–70/72–75/78–79.
  1. D3494 withdrawn due to accident damage
  2. Withdrawn July, reinstated August
  3. Reinstated March, withdrawn November

Preservation

D3452, at Bodmin on 28 August 2003. This locomotive is preserved on the Bodmin & Wenford Railway

Twenty locomotives were sold to industrial customers; of which, four have been preserved:

References

  • Strickland, David C. (September 1983). Locomotive Directory: Every Single One There Has Ever Been. Camberley, Surrey: Diesel and Electric Group. pp. 53–61. ISBN 978-0-9063-7510-5. OCLC 16601890.


  1. Strickland 1983, pp. 56–57.
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