British United Traction
Manuals
British Railways Diesel 'A' Type Units Maintenance Manual
Service Manual (Maintenance): British Railways Lightweight M.U. Diesel Cars (79000 series, Excluding 79000-7 & 79500-7 & and Two-Axle Cars)
The maintenance manual for Yellow Diamond vehicles.
PDF Download (size 35 Mb)
British Railways Diesel 'A' Type Units Overhaul Manual
Service Manual (Overhaul): British Railways Lightweight M.U. Diesel Cars (79000 series, Excluding 79000-7 & 79500-7 & and Two-Axle Cars)
The overhaul manual for Yellow Diamond vehicles — the same material as the maintenance manual with additional pages in each section.
PDF Download (size 59 Mb)
British Railways Diesel 'A' Type Units Maintenance Manual
Service Manual (Maintenance): British Railways Multiple-Unit Diesel Cars (Swindon Built Inter-City Cars 79083-111 & 79155-168)
The maintenance manual for Swindon 79xxx vehicles.
PDF Download (size 30 Mb)
British Railways Diesel 'A' Type Units Overhaul Manual
Service Manual (Overhaul): British Railways Multiple-Unit Diesel Cars (Swindon Built Inter-City Cars 79083-111 & 79155-168)
The overhaul manual for Swindon 79xxx vehicles; the same material as the maintenance manual with additional pages in each section.
PDF Download (size 53 Mb)
British Railways Diesel Train 'A' & 'L' Type Units (50,000 series) Overhaul Manual
The standard manual for most Blue Square DMUs, also relevant to the 5xxxx series White Circle cars.
PDF Download (size 72 Mb)
British Railways 460 B.H.P. 50000 Series Cars Traction Equipment
The manual for vehicles supplied with the Leyland Albion 230 H.P. engines, these being: Class 114s; Class 115s; Class 123s; Class 124s; and Class 128s.
PDF Download, split into parts:
Intro pages (1.4 Mb)
Engine (57.2 Mb)
Fluid Coupling (2.1 Mb)
Gearbox (6.1 Mb) - Self Changing Gears SE4
Final Drive (3.1 Mb) - Self Changing Gears RF28
Propeller Shaft (1 Mb) - excludes Class 114s
Cooling Systems (3.7 Mb)
Controls (10.7 Mb)
End Pages (2.5 Mb) - includes wiring diagrams.
Service Manual BUT Traction Equipment British Railways Diesel Railbus
Detailed service manual for the BUT parts (engine / gearbox / controls etc.) on a diesel railbus.
This would mainly cover the Park Royal railbuses but would also be useful for the AC Cars type.
PDF Download (size 23 Mb)
B.U.T. Service Bulletins
These Bulletins were issued as updates to the manuals.
1950s onwards
PDF Download (size 32 Mb)
B.U.T. Spare Parts Catalogue AEC Section
Lots of catalogue numbers and exploded diagrams.
PDF Download, split into parts:
Intro pages (2.2 Mb)
Engine: A51 (12Mb)
Engine: A52 (11Mb)
Fluid Flywheel (2Mb)
Gearbox (D173) (4Mb)
Final Drive (2.5Mb)
Shafts (2.4Mb)
Water Cooling (5Mb)
Control Gear (12Mb)
Fuel System (1.1Mb)
Silencer (1Mb)
Electrical (1.7Mb)
Misc (1Mb)
B.U.T. Spare Parts Catalogue Leyland Section
Lots of catalogue numbers and exploded diagrams.
PDF Download, split into two parts:
Leyland 680 (18 Mb)
Leyland Albion (28 Mb)
B.U.T. Spare Parts Catalogue Self Changing Gears Ltd Section
Every single nut and bolt that went into the S.C.G. gearboxes described in detail, plus some great exploded diagrams.
PDF Download (size 11 Mb)
The Service, Maintenance and Overhaul of Multiple-Unit Diesel Trains
BUT gives their opinion on the set-up of maintenance facilities for DMUs.
PDF Download (size 7 Mb)