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British Rail TOPS Coaching Stock Codes
1. Letter Codes
Code Description
AA Gangwayed Corridor
AB Gangwayed Corridor Brake
AC Gangwayed Open (2+2 layout)
AD Gangwayed Open (2+1 layout)
AE Gangwayed Open Brake
AF Gangwayed Driving Brake Open
AG Open with Miniature Buffet
AH Kitchen Buffet
AI Brake Open with Miniature Buffet
AJ Restaurant Buffet (with Kitchen)
AK Kitchen
AM Restaurant Open
AN Miniature Buffet
AO Private Owner Vehicles (Passenger)
AP Pullman with Kitchen
AQ Pullman Parlour
AR Pullman Parlour Brake
AS Sleeping Stock
AT Royal Train
AU Sleeping Stock
AX Narrow Gauge (Vale of Rheidol Railway Stock)
AY Narrow Gauge (Vale of Rheidol Railway Stock)
NA Gangwayed Brake
NB High Security Gangwayed Brake
NC Gangwayed Brake - Newspapers
ND Gangwayed Brake, Dual Heat, 90mph
NE Gangwayed Brake, Dual Heat, 100mph
NF Non-Gangwayed Brake
NH Gangwayed Brake, 110mph
NJ General Utility Van, Electrically Through-Wired
NK General Utility Van for Brute Trolleys
NL General Utility Van, Newspapers, Gangway-Fitted
NM General Utility Van, Newspapers, Non-Gangwayed
NN Courier Vehicle
NP Covered Carriage Truck for Brute Trolleys
NS Post Office Sorting Van
NT Post Office Stowage Van
NU Post Office Brake Van
NV Two-Tier Motor-Car Van
NX General Utility Van, Motorail
NY Exhibition Van
2. Class Codes (Seating)
Code Description
1 First
2 Second
3 Composite
4 Unclassified
5 None
3. Suffix Letters
Code Description
0 Pre-nationalisation
1 Mk 1
Z Mk 2
A Mk 2a
B Mk 2b
C Mk 2c
D Mk 2d
E Mk 2e
F Mk 2f
G Mk 3a
H Mk 3b
Abbreviations
Passenger Coaches
Code Description
BCK Brake Composite Corridor, Mk.1
BFK Brake First Corridor, Mk.1 & Mk.2 to Mk.2d
BFO Brake First Open, Mk.3b
BS Brake Second, Non-Gangwayed Suburban, Mk.1
BSK Brake Second Corridor, Mk.1 & Mk.2a
BSO Brake Second Open, Mk.1, Mk.2, Mk.2a, Mk.2c to Mk.2f
BSO(T) Brake Second Open with Micro Buffet, Mk.1 & Mk.2
C Composite, Non-Gangwayed Suburban, Mk.1
CK Composite Corridor, Mk.1 & Mk.2c
CL Composite Lavatory Suburban, Mk.1
CO Composite Open, Mk.3
DBSO Driving Brake Second Open, Mk.2f
FK First Corridor, Mk.1 to Mk.2d
FO First Open, Mk.1 & Mk.2d to Mk.2f, Mk.3a & Mk.3b
KB Kitchen Buffet, Mk.1
LFK Lounge First Corridor, Mk.1
PFB Pullman First Brake, Mk.2
PFK Pullman First Kitchen, Mk.2
PFP Pullman First Parlour, Mk.2
RB/RBK Restaurant Buffet
RBR Restaurant Buffet Refurbished, Mk.1
RE Griddle Car
RF Restaurant First, Mk.1
RFB Restaurant First Buffet with Kitchen, Mk.3a
RFM Restaurant First Modular, Mk.3a
RFO Restaurant first Open, Mk.1
RK Restaurant Kitchen, Mk.1
RKB Restaurant Kitchen Buffet, Mk.1
RL Restaurant Lounge, Mk.2f
RMB Restaurant Miniature Buffet, Mk.1
RMBT Micro-Buffet, Mk.2d
RSM Restaurant Second Buffet, Mk.3a
RSO Restaurant Second Open, Mk.1
RU Unclassified Restaurant
RU(B) Unclassified Restaurant Buffet
RUO Unclassified Restaurant Open, Mk.1
S Second, Non-Gangwayed Suburban, Mk.1
SK Second Corridor, Mk.1 & Mk.2a to Mk.2c
SLC Sleeper Composite, Mk.1
SLE Sleeper Either Class, Mk.3a
SLEP Sleeper Either Class Pantry, Mk.3a
SLF Sleeper First, Mk.1
SLO Second Open Lavatory, Non-Gangwayed Suburban, Mk.1
SO Second Open, Mk.1, Mk.2, Mk.2c & Mk.2f
SO(NG) Second Open, Non-Gangwayed Suburban, Mk.1
TF Trailer First, HST Mk.3
TRSMB Trailer Standard with Miniature Buffet (15 ex-TSs & TSOs for FGW in 2009), HST
Mk.3
TS Trailer Second, HST Mk.3
TSO Tourist Second Open, Mk.1 to Mk.2e
TSO(T) Tourist Second Open with Micro Buffet, Mk.2c & Mk.2d
Narrow Gauge Vale of Rheidol Railway Stock
Code Description
BCO Brake Composite Open
BY Full Brake
SO Second Open
Non-passenger Carrying Coaching Stock (NPCCS)
Code TOPS Code Description
B NF Bogie Passenger Brake Van, SR & BR Ashford, Ungangwayed
BG NA Brake Gangway, Standard Design
BG NB Brake Gangway, High Security
BG NC Brake Gangway, Newspapers
BG ND Brake Gangway, Dual Heat
BG NE Brake Gangway, 100 mph
BG NH Brake Gangway, 110 mph
BG NN Riding and Toilet Van Mk.1, ex-BSK
BGZ ? Six Wheel Passenger Brake Van, ex-Big 4, Gangwayed
BFB NW Bogie Flat Bullion
BY ? Four Wheel Passenger Brake Van, ex-Big 4 (No End Doors)
BZ ? Six Wheel Passenger Brake Van, ex-Big 4 (No End Doors)
CCT NO, NP Covered Carriage Truck, some SR design (End Doors)
DVT ? Driving Van Trailer
FVV NG 10-ton Carflat
GUV NJ General Utility Van, Electric Wired
GUV NK General Utility Van, Standard Vehicle
GUV NL, NV General Utility Van, Newspapers
GUV NX General Utility Van, Motorail Vehicle
? NY Exhibition Coaches
HB ? Horse Box
NCX/NCV ? Res Newspapers
NKA ? SuperGUV
NNV/NNX ? Courier Van
NOA ? SuperGUV 2
NRA/NRX ? Container BG
NRV ? Express Parcels, ex-Fish Van
PCV ? Propelling Control Vehicle
PMV NQ Parcels and Miscellaneous Van, ex-SR (Gangwayed or No End
Doors)
POS NS Post Office Sorting
POT NT Post Office Tender
POT(B) NU Post Office Tender with Brake
PVG NL, NM Packing Van Gangwayed, ex-General Utility Van
SCV ? Special Cattle Van
SLB NW Security Bullion Vehicle, ex-Mk.1 BSK
TCV NV Two-tier Car Carrying Vehicle
TPO ? Post Office Sorting
Vehicle Dimensions
Mk.1 Passenger & NS - NW 64'6 x 9'3 19.66 x 2.82m
Mk.1 NA - NE 57'0 x 9'3 17.24 x 2.82m
Mk.1 NJ - NN, NX 57'0 x 8'7 17.24 x 2.70m
Mk.1 NP 37'0 x 8'9 11.38 x 2.72m
Mk.2/2a Passenger 65'4 x 9'3 19.92 x 2.82m
Mk.2b-f Passenger 66'0 x 9'3 20.12 x 2.82m
Mk.3-3b Passenger 75'0 x 8'11 22.57 x 2.75m
Vehicle Bogie Types
Code Description
B1 (Standard) Double-bolster bogie - fitted with leaf springs. Normally restricted to
90mph, but special maintenance program then restriction raised to 100mph. Weight
6.1tons.
B1 (Heavy duty) Same as above, but with a weight of 6.5tons.
B2 Final design of B1 bogie, fitted under some van stock only. Weight 6.2tons.
B4 Steel fabricated, bogie fitted with coil springs and restricted to 100mph or with
special maintenance program 110mph. Weight 5.2tons.
B5 Heavy duty version of B4. Restricted to 100mph. Weight 5.3tons.
BT10 New generation fabricated bogie, fitted with air suspension and disc brakes.
Restricted to 125mph.
BT15 Similar to BT10, but with rubber primary suspension
BT7 This type of bogie fitted under a few Mk3 vehicles is a derivative of the BX1 type as
fitted to modern EMU stock. Fitted with air suspension and disc brakes.
CW (Commonwealth) Heavy cast-steel bogie with coil springs, designed to improve ride
of B1 and B4 types. Restricted 100mph. Weight 6.8tons.
Single Bolster 1950s design leaf spring bogie - fitted to a small number of SKs only. Restricted to
90mph. Weight 5.3tons.
Bibliography
British Rail Mark 2 Coaches by Michael Harris
British Rail Motive Power Combined Volume by Roger Wood - Ian Allan (1987)
British Railways Mark 1 Coaches by Keith Parkin MA - HMRS & Atlantic Transport Publishers (1991)
Rolling Stock Recognition:1 Coaching Stock by Colin J. Marsden - Ian Allan (1987)
RAR & JT
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