British Rail Class 165

British Rail Class 165 "Network Turbo"
165117 passing Royal Oak tube station on 12 April 2007 sporting First Great Western livery
In service1990—present
Family nameNetworker
Refurbishment2003–2005 (165/0)
Number built39 (165/0)
37 (165/1)
Formation2–3 cars per trainset
Fleet numbers165001 - 165039, 165101 - 165137
Capacity165/0: 184 (2-car); 276 (3-car)
Operator(s)Chiltern Railways
First Great Western
Line(s) servedGreat Western Main Line and branches
Chiltern Main Line and branches
Car length22.91m
Maximum speed75 mph (165/0)
90 mph (165/1)
Prime mover(s)Perkins 2006-TWH of 350hp
Safety system(s)ATP (165/0), AWS, TPWS, Tripcock system (165/0)
Track gauge1435 mm (4 ft 8½ in)
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The British Rail Class 165 "Network Turbo" diesel multiple units (DMUs) were built by BREL at York Works from 1990–1992. [1] These units are suburban trains, with an express version appearing later in the form of the Class 166 "Network Express Turbo" units. The Class 165 belongs to the Turbo and the Networker families of trains.


  1. Chiltern Railways. "Chiltern Railways: About us - Our train fleet". Retrieved 2008-08-26.