British Rail Class 115 diesel multiple unit British Rail Class 115 High‑density first‑generation DMUs used on outer‑suburban services from Marylebone and other depots. Derived from a Derby design, they served Chiltern and former Great Central corr…
British Rail Class 116 A first-generation British diesel multiple unit introduced 1957–1961 by BR Derby, widely used on suburban and regional services and later preserved on heritage lines.
British Rail Class 117 diesel multiple units British Rail Class 117 First‑generation suburban diesel multiple units built by Pressed Steel for British Rail around 1959–1960, used on commuter and regional stopping services and later preserved on her…
British Rail Class 118 A first-generation diesel multiple unit built by BRCW and introduced from 1960, used for regional and suburban services on British Rail and later withdrawn from mainline service.
British Rail Class 119 Diesel Multiple Unit (DMU) British Rail Class 119 First-generation British Rail DMU type used on Western Region and Midland services; noted for suburban formations, use of Hawksworth composite trailers and work on Paddington–Oxfor…
British Rail Class 12 diesel shunter British Rail Class 12 A post‑war Southern Region diesel-electric shunting locomotive built at Ashford (1949–1952), numbered 15211–15236 and powered by the English Electric 6KT 350 hp engine; none surviv…
British Rail Class 120 A first-generation British diesel multiple unit built at Swindon Works from the late 1950s for cross‑country regional services; later replaced by more modern DMUs and partly preser…
British Rail Class 121 A first-generation single-car diesel multiple unit introduced in 1960 for British Rail. Sixteen motor cars and ten trailers, 70 mph top speed, widely used on branch lines and now l…
British Rail Class 122 'Bubble Cars' (1958) British Rail Class 122 Single-car diesel multiple units built in 1958 by Gloucester RC&W. Twenty motor cars and ten trailers served branch lines across Britain; several examples have been preserved on he…
British Rail Class 123 diesel multiple unit British Rail Class 123 A four-car inter-city diesel multiple unit built by British Rail at Swindon Works in 1963. Ten sets were produced for longer-distance services; externally similar to Class 309 but…
British Rail Class 124 Diesel Multiple Unit British Rail Class 124 A purpose-built diesel multiple unit for Trans-Pennine services, the Class 124 provided express regional passenger trains from the 1960s until withdrawal in the late 1980s; none su…
British Rail Class 125 A first-generation three-car diesel multiple unit introduced in 1958 for suburban services on the Lea Valley Line; withdrawn by 1977 and none preserved.
British Rail Class 126 diesel multiple units British Rail Class 126 Swindon-built express diesel multiple units introduced in the 1950s for Scottish inter-city routes, designed to replace steam-hauled services and improve comfort and performance on…
British Rail Class 127 diesel multiple unit British Rail Class 127 First-generation four-car DMUs built by BR Derby in 1959 for suburban commuter services; notable for their 4-car DMBS+TSL+TS+DMBS formation and role in postwar British Rail moderni…
British Rail Class 128: Parcels Diesel Multiple Unit (1959–1991) British Rail Class 128 Overview of the British Rail Class 128 parcels diesel multiple units built by British United Traction in 1959. Ten non‑passenger vehicles with twin Leyland engines, used for parcel…
British Rail Class 129 — single‑car parcels Diesel Multiple Unit British Rail Class 129 A rare single‑car diesel multiple unit built by Cravens in 1955 for British Rail to carry parcels and mail. Three were built; one became departmental unit 'Hydra'. Design, history…
British Rail Class 13 — master-and-slave shunter conversions British Rail Class 13 A purpose-built shunting arrangement created in 1965 by permanently pairing two Class 08 locomotives to provide greater tractive effort for hump yard work at Tinsley Marshalling Ya…
British Rail Class 139 light railcar (Parry People Movers PPM60) British Rail Class 139 Lightweight single-car rail units built by Parry People Movers using flywheel energy storage. Classified as British Rail Class 139 and introduced for short-branch passenger service…
British Rail Class 14 diesel-hydraulic 0-6-0 locomotives British Rail Class 14 A compact mid-1960s diesel-hydraulic 0-6-0 shunting and trip locomotive built at Swindon Works. Designed for yard and short-distance freight work; later many were sold to industry…
British Rail Class 140 (Pacer prototype) British Rail Class 140 Prototype diesel multiple unit built in 1980 that led to the Pacer family; combined bus body components with rail underframe to create a low-cost branch-line train.
British Rail Class 141 Pacer diesel multiple unit British Rail Class 141 Overview of the British Rail Class 141, the first production Pacer DMU: design concept, technical characteristics, history, service use, criticisms and legacy for regional rail in…
British Rail Class 142 Pacer diesel multiple unit British Rail Class 142 Two‑car Pacer DMU built by BREL Derby in the mid‑1980s. Ninety‑six units produced as a cost‑conscious development of the Class 141; widely used on local services and later largely…
British Rail Class 143 Pacer diesel multiple unit British Rail Class 143 The Class 143 is a two-car Pacer diesel multiple unit introduced in 1985–86. Twenty-five units were built with bus-derived bodies on freight chassis; they served regional and branc…
British Rail Class 144 Pacer diesel multiple unit British Rail Class 144 Two-car Pacer DMU built by BREL Derby in 1986–87 (23 sets). A low-cost replacement for first-generation DMUs, used mainly in Northern England; later withdrawn and partly preserved.
British Rail Class 15 (BTH Type 1) British Rail Class 15 A concise overview of the British Rail Class 15 diesel locomotives (BTH Type 1), covering design, characteristics, development, service use and notable facts from their late-1950s…
British Rail Class 150 Sprinter diesel multiple unit British Rail Class 150 Two-car Sprinter-family diesel multiple units built 1984–87 by BREL. A versatile regional train that replaced first-generation DMUs and remains in widespread local service after re…
British Rail Class 151 — prototype diesel multiple unit British Rail Class 151 A mid-1980s prototype diesel multiple unit built by Metro Cammell for British Rail evaluation. The Class 151 influenced later DMU development despite not entering large-scale produ…
British Rail Class 153 'Sprinter' single-car DMU British Rail Class 153 Single-car diesel multiple unit converted in the early 1990s for rural and branch services, created by splitting two-car sets to form independent railcars for regional UK routes.
British Rail Class 155 'Super-Sprinter' diesel multiple unit British Rail Class 155 Two-car diesel multiple units built 1987–1988 for British Rail's Sprinter family, intended to replace first‑generation DMUs on regional services; later refurbished and operated by…
British Rail Class 156 (Super-Sprinter) British Rail Class 156 The Class 156 'Super-Sprinter' is a two-car diesel multiple unit built 1987–1989 for regional and rural services across Britain, intended to replace first-generation DMUs and locom…
British Rail Class 157 — planned Sprinter diesel multiple unit (unbuilt) British Rail Class 157 Overview of the unbuilt British Rail Class 157: intended role, design context within the Sprinter family, reasons for cancellation during 1990s privatisation, reserved numbering an…
British Rail Class 158 Express Sprinter British Rail Class 158 A diesel multiple unit introduced 1989–1992 for regional express services on non-electrified lines, notable for improved passenger comfort and widespread refurbishment and use acro…
British Rail Class 159 (South Western Turbo) British Rail Class 159 A diesel multiple unit of the Sprinter family built by BREL at Derby (1989–1993), the Class 159 serves regional and intercity services in southwest England and is known as the Sout…
British Rail Class 16 — North British Type 1 diesel locomotive British Rail Class 16 A concise overview of the British Rail Class 16 (North British Type 1): its design purpose under BR's 1955 Modernisation Plan, technical character, service history, operational use…
British Rail Class 165 Network Turbo diesel multiple unit British Rail Class 165 Overview of the British Rail Class 165 'Network Turbo' DMU: design, history, variants, operators, and role in suburban and regional passenger services in the UK.
British Rail Class 166 (Network Express Turbo) British Rail Class 166 A 1992–93 diesel multiple unit designed for regional and express commuter services, the Class 166 offers higher speed and improved passenger comfort compared with the closely relat…
British Rail Class 168 (Clubman) diesel multiple unit British Rail Class 168 The Class 168 Clubman is a family of diesel multiple-unit trains introduced from 1997 for Chiltern Railways, bridging Networker-derived and Turbostar designs for regional and inter…
British Rail Class 17 (Clayton Type 1) British Rail Class 17 A concise encyclopedia entry on the British Rail Class 17 diesel locomotives, known as the Clayton Type 1, covering design, service history, reputation, and preservation.
British Rail Class 170 (Turbostar) diesel multiple unit British Rail Class 170 The Class 170 Turbostar is a widely used British diesel multiple unit introduced in the late 1990s. Built by Bombardier at Derby, it serves regional and intercity routes in two- an…
British Rail Class 171 Turbostar diesel multiple unit British Rail Class 171 A variant of the Turbostar DMU used by Southern, the Class 171 matches Class 170 mechanically but uses Dellner couplers for compatibility with Southern’s third-rail EMUs.
British Rail Class 172 A member of the Turbostar diesel multiple unit family used on UK regional and suburban routes; designed for flexible two- and three-car formations and modern commuter services.
British Rail Class 175 Coradia (diesel multiple unit) British Rail Class 175 A family of Alstom-built diesel multiple units introduced 1999–2001 for regional and intercity services in Wales and northwest England, commonly based at Chester Depot and used on…
British Rail Class 180 Adelante British Rail Class 180 A fleet of high-speed diesel‑hydraulic multiple units built by Alstom in 2000–01. Fourteen five‑car trains known for early reliability issues, later refurbished and used by several…
British Rail Class 185 (Pennine Class 185) British Rail Class 185 A three-car diesel multiple-unit built by Siemens as part of the Desiro family for First TransPennine Express, used on intercity regional services across northern England since the…
British Rail Class 20 (English Electric Type 1) British Rail Class 20 A compact diesel-electric locomotive class built by English Electric from 1957–1968. Known as Class 20 or 'Chopper', widely used on freight and secondary passenger duties and often…
British Rail Class 201 (6S) — narrow-profile diesel-electric multiple unit British Rail Class 201 Six-car narrow-profile DEMUs built 1957–58 for the London–Hastings line. Designed to pass restricted tunnels; later withdrawn as routes were modified or electrified. Some vehicles…
British Rail Class 202 (6L) – narrow‑profile diesel‑electric multiple unit British Rail Class 202 Diesel‑electric multiple units built 1957–58 with a narrow body profile for the restricted clearances on the London Charing Cross to Hastings route.
British Rail Class 203 (Hastings narrow‑bodied diesel multiple unit) British Rail Class 203 Final 6-car Hastings narrow-bodied DMU type, built 1958 and originally classified 6B (units 1031–1037). Featured a buffet car and was intended for the restricted loading gauge on t…
