British Rail Class 950

British Rail Class 950
950001 at Upton on 15 January 2014
Manufacturer	BREL York
Family name	Sprinter
Number built	1 trainset
Formation	2 cars per trainset
Fleet numbers	999600-999601^[1]
Operator(s)	Network Rail
Depot(s)	ZA (RTC) (1994)^[1]
Specifications
Maximum speed	75 mph (121 km/h)
Track gauge	1,435 mm (4 ft 8 ¹⁄₂ in) standard gauge

The British Rail Class 950 is a diesel multiple unit that was purpose-built for departmental use as a track assessment unit.

Description

Cab of 999600, showing the video camera and laser measurement equipment.

It was built in 1987 using the same bodyshell as the Class 150/1 "Sprinter" units that were built from 1985-1986. It was originally classified as a Class 180 test unit, but since this designation is now used by the new First Great Western "Adelante" units, it has been reclassified into the departmental series. The unit is formed of two driving motor vehicles. Individual carriages numbered as follows:

DM: 999600-999601

Current operations

The unit is currently painted in a plain overall yellow livery with Network Rail branding. It mostly works on lines also used by Sprinters and Pacers where the track quality is not good enough for larger and heavier track assessment stock. It is able to operate over most railway lines around Great Britain. The unit is based at the RTC in Derby.

Fleet details

Class	Operator	No. Built	Year Built	Cars per Set	Unit nos.	Notes
Class 950	Network Rail	1	1987	2	950001

References and notes

1 2 Fox, Peter; Hughes, Barry (1994). DMUs & Channel Tunnel Stock. British Railways Pocket Book No.3 (7th ed.). Platform 5. p. 50-51. ISBN 9781872524597.

Wikimedia Commons has media related to British Rail Class 950.

Departmental Self-propelled rail vehicles of the United Kingdom

Diesel Multiple Units	Class 901 (From Class 101) Class 930 Class 950 (Similar to Class 150) Class 951 (From Classes 201, 203, 205, 207) Class 960 (From Class 101, 107, 114, 117, 121, 122, DL)

Electric Multiple Units	Class 910 (From Class 488) Class 920 Class 930 Class 931 Class 932 Class 933 Class 935 Class 936 (From Classes 311, 501) Class 937 (From Classes 302, 308) Class 960 (From Classes 309, 310)

Others	APT-E Multi-Purpose Vehicle New Measurement Train DB Schenker Company Train Caroline

Locomotives	Network Rail Class 97

Diesel locomotives Electric locomotives Miscellaneous locomotives Diesel multiple units Electric multiple units Departmental multiple units see also Category:British Rail Departmental Units

British Rail diesel Sprinters

20 m:	Class 150 Class 151 Class 154 Class 950

23 m (Super Sprinter):	Class 153 Class 155 Class 156 Class 158 Class 159

unbuilt:	Class 152 Class 157

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