In 1933, London's underground railways, tramway companies and bus operators merged to form the London Passenger Transport Board (LPTB), commonly known as London Transport. [1] London Transport numbered all of its service stock locomotives into one unified series, regardless of the type.
| Numbers | Built | Builder | Type | Use | Notes |
|---|---|---|---|---|---|
| L1–L7 | 1905 | MAR&W [2] | B-B | Ealing-Southend through trains | |
| L8–L9 | 1909 | Renshaw | B-B | Acton-Ealing stores ferries | rebuilt from District Railway (DR) battery locomotives |
| L10 | 1907/1930 | AC&F/UERL | B-B | Acton Works yard shunter | ex-CCE&H motors 1 & 3 |
| L11–L12 | B-B | battery locomotives | ex-tube gate stock | ||
| L13–L20 | B-B | ballast motors | ex-tube gate stock | ||
| L21 | B-B | Wood Lane yard shunter | ex-Central London Railway (CLR) | ||
| L24–L29 | B-B | service motors | ex-tube gate stock | ||
| L32 | B-B | battery locomotive | ex-tube gate stock | ||
| L33 | B-B | Drayton Park yard shunter | ex-Great Northern & City Railway 21 ex-Metropolitan Railway (MET) 1 | ||
| L34 | 1922 | KS&C | 0-4-2ST | Epping-Ongar shuttle | tube loading gauge; ex-Underground Electric Railways of London (UERL) "Brazil" |
| L35–L43 | 1936-37 | GRCW | B-B | battery locomotives | L35 preserved at London Transport Museum (LTM); Metadyne equipped installed in L41–L43, 1938 |
| L44 | 1896 | MET | 0-4-4T | ex-MET 1 | |
| L45 | 1866 | BP&C | 4-4-0T | ex-MET 23; renumbered 23 and preserved at LTM | |
| L46 | 1896 | MET | 0-4-4T | ex-MET 77 | |
| L47 | 1900 | MET | 0-4-4T | ex-MET 80 | |
| L48 | 1901 | HL | 0-4-4T | ex-MET 81 | |
| L49–L52 | 1901 | YEC | 0-6-2T | ex-MET 90-93 | |
| L53 | 1897 | PECK | 0-6-0ST | ex-MET 101 | |
| L54 | 1899 | PECK | 0-6-0ST | ex-MET 102 | |
| L55–L57 | 1951 | PICK | B-B | battery locomotives | |
| L58–L61 | 1952 | PICK | B-B | battery locomotives | |
| L62 | 1965 | M-C | B-B | battery locomotive | |
| L63 | 1923/1954 | CL/LPTB | B-B | ballast motor | ex-Standard stock DM 3463 |
| L64 | 1923/1955 | MC&W/LPTB | B-B | ballast motor | ex-Standard stock DM 3500 |
| L65 | 1923/1954 | CL/LPTB | B-B | ballast motor | ex-Standard stock DM 3453 |
| L68 | 1923/1954 | MC&W/LPTB | B-B | ballast motor | ex-Standard stock DM 3494 |
| L69–L70 | 1923/1954 | MC&W/LPTB | B-B | ballast motors | ex-Standard stock DMs |
| L71 | 1923/1954 | MC&W/LPTB | B-B | ballast motor | ex-Standard stock DM 3507 |
| L72 | 1923/1954 | MC&W/LPTB | B-B | ballast motor | ex-Standard stock DM |
| L73 | 1923/1954 | MC&W/LPTB | B-B | ballast motor | ex-Standard stock DM; replaced by L77, 1967 |
| L74 | 1923/1954 | MC&W/LPTB | B-B | ballast motor | ex-Standard stock DM 3506 |
| L75 | 1923/1954 | MC&W/LPTB | B-B | ballast motor | ex-Standard stock DM 3517 |
| L76 | 1962 | LPTB | B-B | battery locomotive | renumbered L33, 1974 |
| L77 | 1931/1967 | M-C/LPTB | B-B | ballast motor | ex-Standard stock DM 3183 |
| DL81–DL82 | 1968 | RR | 0-6-0 | Neasden/Lillie Bridge shunters | see Diesel locomotives |
| DL83 | 1967 | RR | 0-6-0 | Neasden/Lillie Bridge shunter | see Diesel locomotives |
| L84/L85 | 1983/1986 | M-B | B | Unimog road/rail shunter | see Diesel locomotives |
| L89 | 1929 | 0-6-0PT | ex-Great Western Railway (GWR) 5775, 1948; ex-British Railways (BR) 5775, 1963; preserved at Keighley & Worth Valley Railway (Yorkshire) | ||
| L90 | 1930 | 0-6-0PT | ex-GWR 7711, 1948; ex-BR 7711, 1957 | ||
| L90 (2nd) | 1930 | 0-6-0PT | ex-GWR 7760, 1948; ex-BR 7760, 1961; preserved at Birmingham Railway Museum (Birmingham) | ||
| L91 | 1929 | 0-6-0PT | ex-GWR 5752, 1948; ex-BR 5752, 1958 | ||
| L91 (2nd) | 1929 | 0-6-0PT | ex-GWR 5757, 1948; ex-BR 5757, 1960 | ||
| L92 | 1929 | 0-6-0PT | ex-GWR 5786, 1948; ex-BR 5786, 1958 | ||
| L93 | 1930 | 0-6-0PT | ex-GWR 7779, 1948; ex-BR 7779, 1959 | ||
| L94 | 1930 | 0-6-0PT | ex-GWR 7752, 1948; ex-BR 7752, 1960 | ||
| L95 | 1929 | 0-6-0PT | ex-GWR 5764, 1948; ex-BR 5764, 1960; preserved at Severn Valley Railway (Bridgnorth) | ||
| L96 | 1930 | 0-6-0PT | ex-GWR 7741, 1948; ex-BR 7741, 1961 | ||
| L97 | 1930 | 0-6-0PT | ex-GWR 7749, 1948; ex-BR 7749, 1962 | ||
| L98 | 1930 | 0-6-0PT | ex-GWR 7739, 1948; ex-BR 7739, 1962 | ||
| L99 | 1930 | 0-6-0PT | ex-GWR 7715, 1948; ex-BR 7715, 1963; preserved at Buckinghamshire Railway Centre (Buckinghamshire) | ||
| L11 | 1931/1964 | M-C/LPTB | B-B | Acton Works yard shunter | ex-Standard stock DM 3080/3109; preserved by London Underground Ltd. (LUL) |
| L13A–L13B | 1938/1974 | M-C/LTE | B-B+B-B | Acton Works shunter | ex-1938 DM 10130/11130 |
| L14A–L14B | 1937/69-70 | M-C/LPTB/LTE | Acton Works shunter | articulated; ex-1935 DM 10011/11011, 1972 | |
| L15–L16 | 1970 | M-C | B-B | battery locomotives | |
| L17–L19 | 1971 | M-C | B-B | battery locomotives | |
| L20–L21 | 1964 | M-C | B-B | battery locomotives | |
| L22–L32 | 1965 | M-C | B-B | battery locomotives | L25-L32 equipped with cab signalling |
| L30–L31 | 1931 | HUNS | 0-6-0T | District works trains | ex-DR |
| L32 | B-B | battery locomotive | ex-tube gate stock | ||
| L33 | 1962 | LPTB | battery locomotive | ex-L76, 1974 | |
| L44–L54 | 1974 | BREL | B-B | battery locomotives | |
| L63–L65 | 1985 | M-C | B-B | battery locomotives | |
| L66–L67 | 1986 | M-C | B-B | battery locomotives | |
| ESL100 | 1903/1938 | BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-3960/3985; ex-CLR motors |
| ESL101 | 1903/1939 | MC&W BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-3958/3983; ex-CLR motors |
| ESL102 | 1903/1939 | BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-3990/3997; ex-CLR motors |
| ESL103 | 1903/1939 | B-4-4-B | electric sleet locomotive | ex-CLR motors | |
| ESL104 | 1903/1939 | BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-3971/3980; ex-CLR motors |
| ESL105 | 1903/1939 | MC&W BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-3952/3965; ex-CLR motors |
| ESL106 | 1903/1939 | BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-3984/3993; ex-CLR motors |
| ESL107 | 1903/1939 | MC&W BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-3944/3981; ex-CLR motors; preserved at LTM |
| ESL108 | 1903/1939 | BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-3989/3992; ex-CLR motors |
| ESL109–ESL110 | 1903/1940 | B-4-4-B | electric sleet locomotive | ex-CLR motors | |
| ESL111–ESL112 | 1903/1940 | MC&W/LPTB | B-4-4-B | electric sleet locomotive | ex-3956/3959 & 3945/3950; ex-CLR motors |
| ESL113–ESL114 | 1903/1940 | BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-3962/3969 & 3967/3970; ex-CLR motors |
| ESL115 | 1903/1940 | B-4-4-B | electric sleet locomotive | ex-CLy motors | |
| ESL116–ESL117 | 1903/1940 | MC&W BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-3953/3964 & 3954/3995; ex-CLR motors |
| ESL118A+ESL118B | 1932/1961 | BRCW/LPTB | B-4-4-B | electric sleet locomotive | ex-T 2758/2749; renumbered 2758/2749 and preserved at Spa Valley Railway (Tunbridge Wells) |
| L120–L129 | 1931-34 | M-C | B-B | pilot motor | ex-Standard stock DMs, 1967 |
| L130–L131 | 1934 | M-C | B-B | pilot motor | ex-Standard stock DMs 3690/3693, 1967; L 130 preserved by LUL |
| L132 | 1931-34 | M-C | B-B | pilot motor | ex-Standard stock DM, 1967 |
| L134 | 1927 | MC&W | B-B | pilot motor | ex-Standard stock DM 3370, 1967 |
| L135 | 1934 | M-C | B-B | pilot motor | ex-Standard stock DM 3701, 1967; preserved by LUL |
| DEL120 | 1942 | LPTB | B-B | diesel-electric locomotive; ex-CLR motors | |
| L126–L129 | 1938 | GRCW | B-B | pilot motor | ex-Q38 DM 4416-4419, 1971; L126-L127 renumbered 4416-4417 and preserved at LTM |
| L132–L133 | 1960/1987 | CRAV/BREL | B-B | Track Recording Car pilot motors | ex-1960 DM 3901/3905 |
| L140 | 1938 | M-C | B-B | ballast motor | ex-1938 DM 10088, 1973 |
| L141 | 1938 | M-C | B-B | ballast motor | ex-1938 DM 11067, 1975 |
| L142–L143 | 1938 | M-C | B-B | ballast motor | ex-1938 DMs 10021/10065, 1973 |
| L144–L145 | 1938 | M-C | B-B | ballast motor | ex-1938 DMs 10257/11027, 1975 |
| L146–L147 | 1938 | M-C | B-B | ballast motor | ex-1938 DMs 10034/11034, 1976 |
| L148–L149 | 1938 | M-C | B-B | ballast motor | ex-1938 DMs 10022/11104, 1977 |
| L150 | 1938/1977 | M-C/LTE | B-B | weed killer motor | ex-1938 DM 10327 |
| L151 | 1938/1977 | M-C/LTE | B-B | weed killer motor | ex-1938 DM 11327 |
| L152–L155 | 1938 | M-C | B-B | ballast motor | ex-1938 DMs 10266/11266/10141/11141, 1978 |
| Except where indicated, this table is referenced from Bruce 1987 , pp. 88–96 and most recently updated by Hardy 2002 , pp. 102–105 | |||||