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The British Rail Mark 3 is a type of passenger carriage developed in response to growing competition from airlines and the car in the 1960s. A variant of the Mark 3 became the rolling stock for the High Speed Train (HST). The Mark 3s were built by BREL. They were air-conditioned throughout, something modern that wasn't used in Mark 1s or Mark 2s.[1]

SAM 2788.JPG

Originally conceived as locomotive-hauled coaching stock, the first coaches built were for the prototype HST in 1972. Production coaches entered service between 1975 and 1988, and multiple-unit designs based on the Mark 3 bodyshell continued to be built until the early 1990s. The Mark 3 and its derivatives are widely recognised as a safe and reliable design, and most of the surviving fleet is still in revenue service on the British railway network in 2018.

Designations[]

Coad Type Date Built Length Width Hight Max Speed Weight
BFO Brake First Open
CO Corridor Open
FO First Open 1976 - 1985 75ft 32.5t - 36.5t
RFM Restaurant First Modular
SLE Sleeper Either Class 1981 - 1984 75ft 125 mph 43t
SLED Sleep Either Class (Disabled)
SLEP Sleeper Either Class with Pantry
TF Trailer First 1975 - 1982
TGS Trailer Guard Second
TRSB Trailer Buffet
TRUB Trailer Buffet
TRUK Trailer Kitchen
TS Trailer Second
TSO Trailer Second Open
TSOB Trailer Second Open Buffet

Multiple Units[]

Class Unit Make Up Build Date Car Length Car Width Car Height Top Speed Car Weight
Class 150 DMSL 1984–1987 65ft 10in 9ft 2.9in 12ft 4.6in 75 mph 35.8t
MS
DMS
Class 950 DM
Class 210 DMBSO 1982–1987 90 mph
TSO
TCO(L)
DTSO
Class 316/457 DMSO 1989/1990
TSO
PTSO
Class 317 DTSO 1981–82, 1985–87 65 ft 34 in 9ft 3in 12ft 1 58in 100 mph 137.6t
MSO
TCO
Class 318 DTSO 1985 - 1986 95 mph
MSO
Class 319 DTSO 1987–88, 1990 65.1ft 9ft 3in 11ft 9in 100 mph 7.25 t
DTCO 7.425 t
MSO 65.4 ft 12.65 t
TSOL 7.75 t
Class 320 1990 12ft 478in 90 mph or 100 mph 114.5t
Class 321 DTCO 65ft 5in 12ft 5in 100 mph 137.9t
TSO
MSO
DTSO
Class 322 DTCO 1990 12ft 478in 141.8t
TSO
MSO
DTSO
Class 325 DTPMV 1995 - 1996 (NOT BR Built) 65 ft 34 in 138.5t
MPMV 65 ft 4 in
TPMV
Class 442 DTS 1988-1989 75 ft 11.4 in 8ft 1178in 12ft 6in
TSO 75ft
MLC
TWS
Class 455 DTSO 65 ft 34 in 9 ft 3 in 75 mph 135.95t
MSO
TSO
Class 456 DMSO 1990 - 1991 72.5t
DTSO

References[]

  1. Rail 150, Jack Simmons, ISBN 0-413-32300-5
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