British Rail Class 144

British Rail Class 144 "Pacer"
British Rail Class 144 "Pacer"
	; Class 144, unit number 144017 at York railway station on 3rd June 2004.
In service	1986 - 2020
Manufacturer	BREL Derby and Walter Alexander
Family name	Pacer
Refurbishment	2002 - 2004 - and 2010 2015 became 144e
Number built	23
Formation	DMS(+MS)+DMSL
Operator	Northern Rail first great Western
Line(s) served	Harrogate Line, Huddersfield Line, Hallam Line, Pontefract Line, York & Selby Lines
Specifications
Maximum speed	75MPH
Engine(s)	Cummins LTA10-R (Originally Leyland TL11)
Safety system(s)	AWS, TPWS
Gauge	1435 mm (4 ft 8½ in)

The British Rail Class 144 "Pacer diesel multiple units (DMUs) were built by BREL Derby from 1986-1987. A total of 23 units were built, replacing many of the earlier First-generation "Heritage" DMUs.

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British Rail Class 144 "Pacer"
Class 144, unit number 144017 at York railway station on 3rd June 2004.
In service	1986 - 2020
Manufacturer	BREL Derby and Walter Alexander
Family name	Pacer
Refurbishment	2002 - 2004 - and 2010 2015 became 144e
Number built	23
Formation	DMS(+MS)+DMSL
Operator	Northern Rail first great Western
Line(s) served	Harrogate Line, Huddersfield Line, Hallam Line, Pontefract Line, York & Selby Lines
Specifications
Maximum speed	75MPH
Engine(s)	Cummins LTA10-R (Originally Leyland TL11)
Safety system(s)	AWS, TPWS
Gauge	1435 mm (4 ft 8½ in)