Class 165 Network Turbo

The Class 165 "Network Turbo" was built for British Rail in the early 1990s to replace first generation DMUs on Thames and Chiltern route suburban services [1]. Seventy six 2-car and 3-car sets were built and all but one, which was destroyed in the Ladbroke Grove rail disaster, remain in service today with Chiltern Railways and First Great Western.

Number built: 144 (76 2- and 3-car sets)
Built: 1990-92
Builder: BREL York
Engine: Perkins 2006-TWH diesel (one per car)
Power: 700 / 1, 050 hp (520 / 780 kW)
Formations: 165/0: Driving Motor Standard Lavatory (DMSL)+
Motor Standard (MS)+Driving Motor Standard (DMS)

165/1: Driving Motor Composite Lavatory (DMCL)+MS+DMS

There are 2 sub-classes. the 165/0 was originally built for Chiltern services on Network South East and remains on the same routes including services from Marylebone to Birmingham, to Aylesbury and to Stratford-upon-Avon. Trip-cock equipment has been fitted to Chiltern units as they travel on London Underground track between Harrow-on-the-Hill and Amersham.

165/1 was built for services out of Paddington along the Great Western main line. They are still in service on Thames Valley services to destinations like Oxford and Banbury. They have bogie modifications to allow for a higher top speed (90 mp/h as opposed to 75 mp/h on the 165/0).
GWR 165 123 at Tackley

Chiltern 165 002 at Bicester North

Chiltern 165 022 at Aylesbury

Chiltern 165 019 at Lapworth

Aboard a Chiltern 165

GWR 165 106 at Oxford

[1] Colin J Marsden, DMU and EMU Recogition Guide (Ian Allan, 2013) p. 149