The Hornby No 1 0-4-0 Tank Locomotive was produced from 1922-1941, in four liveries (GWR, LMS, LNER and SR), and two distinct body styles, the first 1922-1931, and the second 1931-1941, the most obvious 'at-a-glance' difference being the shape of the bunker.
 
Hornby No 1 tank loco, first bunker, 1922-31  | 
 
Hornby No 1 tank loco, second bunker, 1931-41  | 

GWR green, no number, 4560
LMS black, 0-4-0, 623, 326, 7140
LMS maroon, 0-4-0, 623, 326, 2115
LNER black, 0-4-0, 623, 326, 826
LNER green, 0-4-0, 623, 463, 2900
SR black, A600, E111, 111
SR green, B667, E29, 29
Zulu, plain black, no number

 
Hornby No 1 tank loco, GWR green livery, first body style, no crest or number, Great Western on tank side, cast safety valve cover, unlined boiler, clockwork only, 1926  | 
 
Hornby No 1 tank loco, GWR green livery, first body style, no crest or number, Great Western on tank side, cast safety valve cover, unlined boiler, clockwork only, 1926  | 

 
Hornby clockwork No 1 tank loco, GWR green livery, first body style, Great (crest) Western on tank side, brass safety valve cover, 2 pairs boiler bands, black smokebox, clockwork and 6v DC, 1928-31 (6v DC to 1934)  | 
 
Hornby clockwork No 1 tank loco, GWR green livery, first body style, Great (crest) Western on tank side, brass safety valve cover, 2 pairs boiler bands, black smokebox, clockwork and 6v DC, 1928-31 (6v DC to 1934)  | 
 
Hornby clockwork No 1 tank loco, GWR green livery, first body style, Great (crest) Western on tank side, brass safety valve cover, 2 pairs boiler bands, black smokebox, clockwork and 6v DC, 1928-31 (6v DC to 1934)  | 
 
Hornby clockwork No 1 tank loco, GWR green livery, first body style, Great (crest) Western on tank side, brass safety valve cover, 2 pairs boiler bands, black smokebox, clockwork and 6v DC, 1928-31 (6v DC to 1934)  | 

 
Hornby No 1 tank loco, GWR green livery, second body style, number 4560 gold/red on black plate, Great Western on tank side, clockwork, 6v and 20v electric, 1931-35  | 
 
Hornby No 1 tank loco, GWR green livery, second body style, number 4560 gold/red on black plate, Great Western on tank side, clockwork, 6v and 20v electric, 1931-35  | 

 
Hornby No 1 tank loco, GWR green livery, second body style, number 4560 gold only on black plate, GWR monogram on tank side, clockwork, and 20v electric, 1935-41  | 
 
Hornby No 1 tank loco, GWR green livery, second body style, number 4560 gold only on black plate, GWR monogram on tank side, clockwork, and 20v electric, 1935-41  | 

 
Hornby No 1 tank loco, LMS maroon livery, first body style, number 0-4-0 on tank side, brass dome, detailed smokebox door, clockwork only, 1925-26  | 
 
Hornby No 1 tank loco, LMS maroon livery, first body style, number 0-4-0 on tank side, brass dome, detailed smokebox door, clockwork only, 1925-26  | 
 
Hornby No 1 tank loco, LMS maroon livery, first body style, number 0-4-0 on tank side, brass dome, detailed smokebox door, clockwork only, 1925-26  | 

 
Hornby No 1 tank loco, LMS maroon livery, first body style, number 623 on tank side, brass dome, 2 pairs boiler bands, maroon smokebox, clockwork only, 1927-28  | 
 
Hornby No 1 tank loco, LMS maroon livery, first body style, number 623 on tank side, brass dome, 2 pairs boiler bands, maroon smokebox, clockwork only, 1927-28  | 
 
Hornby No 1 tank loco, LMS maroon livery, first body style, number 623 on tank side, brass dome, 2 pairs boiler bands, maroon smokebox, clockwork only, 1927-28  | 

 
Hornby clockwork No 1 tank loco, LMS maroon livery, first body style, number 623 on tank side, maroon dome, 2 pairs boiler bands, black smokebox, clockwork, 6v and 20v, 1928-29 (6v DC to 1934)  | 
 
Hornby clockwork No 1 tank loco, LMS maroon livery, first body style, number 623 on tank side, maroon dome, 2 pairs boiler bands, black smokebox, clockwork, 6v and 20v, 1928-29 (6v DC to 1934)  | 
 
Hornby clockwork No 1 tank loco, LMS maroon livery, first body style, number 623 on tank side, maroon dome, 2 pairs boiler bands, black smokebox, clockwork, 6v and 20v, 1928-29 (6v DC to 1934)  | 

 
Hornby No 1 tank loco, LMS maroon livery, second body style, number 2115 on cab side, serif letters and numbers, clockwork, 6v and 20v electric, 1931-37  | 
 
Hornby No 1 tank loco, LMS maroon livery, second body style, number 2115 on cab side, serif letters and numbers, clockwork, 6v and 20v electric, 1931-37  | 

 
Hornby No 1 tank loco, LMS matt maroon livery, second body style, number 2115 on cab side, serif letters and numbers, clockwork and 20v electric, 1939-41  | 
 
Hornby No 1 tank loco, LMS matt maroon livery, second body style, number 2115 on cab side, serif letters and numbers, clockwork and 20v electric, 1939-41  | 

 
Hornby No 1 tank loco, LMS black livery, first body style, no number, LMS on tank sides, Zulu on smokebox door, clockwork only, 1923-24  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, no number, LMS on tank sides, Zulu on smokebox door, clockwork only, 1923-24  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, no number, LMS on tank sides, Zulu on smokebox door, clockwork only, 1923-24  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, no number, LMS on tank sides, Zulu on smokebox door, clockwork only, 1923-24  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, no number, LMS on tank sides, Zulu on smokebox door, clockwork only, 1923-24  | 

 
Hornby No 1 tank loco, LMS black livery, first body style, number 0-4-0 on tank side, brass dome, plain smokebox door, red lined front cab windows, clockwork only, 1925 (?)  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, number 0-4-0 on tank side, brass dome, plain smokebox door, red lined front cab windows, clockwork only, 1925 (?)  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, number 0-4-0 on tank side, brass dome, plain smokebox door, red lined front cab windows, clockwork only, 1925 (?)  | 

 
Hornby No 1 tank loco, LMS black livery, first body style, number 0-4-0 on tank side, brass dome, embossed smokebox door, red lined front cab windows, clockwork only, 1925-26  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, number 0-4-0 on tank side, brass dome, embossed smokebox door, red lined front cab windows, clockwork only, 1925-26  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, number 0-4-0 on tank side, brass dome, embossed smokebox door, red lined front cab windows, clockwork only, 1925-26  | 

 
Hornby No 1 tank loco, LMS black livery, first body style, number 623 on tank side, brass dome, 2 pairs of boiler bands, detailed smokebox door, unlined front cab windows, clockwork only, 1927-28  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, number 623 on tank side, brass dome, 2 pairs of boiler bands, detailed smokebox door, unlined front cab windows, clockwork only, 1927-28  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, number 623 on tank side, brass dome, 2 pairs of boiler bands, detailed smokebox door, unlined front cab windows, clockwork only, 1927-28  | 

 
Hornby No 1 tank loco, LMS black livery, first body style, number 623 on tank side, black dome, 2 pairs of boiler bands, detailed smokebox door, unlined front cab windows, clockwork only, 1928-31  | 
 
Hornby No 1 tank loco, LMS black livery, first body style, number 623 on tank side, black dome, 2 pairs of boiler bands, detailed smokebox door, unlined front cab windows, clockwork only, 1928-31  | 

 
Hornby clockwork No 1 tank loco, LMS black livery, revised body style, number 7140 on cab side, clockwork, 6v and 20v, 1931-36  | 
 
Hornby clockwork No 1 tank loco, LMS black livery, revised body style, number 7140 on cab side, clockwork, 6v and 20v, 1931-36  | 
 
Hornby clockwork No 1 tank loco, LMS black livery, revised body style, number 7140 on cab side, clockwork, 6v and 20v, 1931-36  | 

 
Hornby No 1 tank loco, LNER green livery, first body style, number 0-4-0 on tank side, brass dome, plain smokebox door, green buffer beam, green chimney, clockwork only, 1924-25  | 
 
Hornby No 1 tank loco, LNER green livery, first body style, number 0-4-0 on tank side, brass dome, plain smokebox door, green buffer beam, green chimney, clockwork only, 1924-25  | 

 
Hornby clockwork No 1 tank loco, LNER green livery, first body style, number 623 on tank side, brass dome, green smokebox, unlined boiler, clockwork only, 1926-27  | 
 
Hornby clockwork No 1 tank loco, LNER green livery, first body style, number 623 on tank side, brass dome, green smokebox, unlined boiler, clockwork only, 1926-27  | 
 
Hornby clockwork No 1 tank loco, LNER green livery, first body style, number 623 on tank side, brass dome, green smokebox, unlined boiler, clockwork only, 1926-27  | 
 
Hornby clockwork No 1 tank loco, LNER green livery, first body style, number 623 on tank side, brass dome, green smokebox, unlined boiler, clockwork only, 1926-27  | 
 
Hornby clockwork No 1 tank loco, LNER green livery, first body style, number 623 on tank side, brass dome, green smokebox, unlined boiler, clockwork only, 1926-27  | 

 
Hornby No 1 tank loco, LNER green livery, first body style, number 463 on tank side, green dome, black smokebox, clockwork and 6v DC, 1929-31  | 
 
Hornby No 1 tank loco, LNER green livery, first body style, number 463 on tank side, green dome, black smokebox, clockwork and 6v DC, 1929-31  | 

 
Hornby No 1 tank loco, LNER green livery, first body style, number 463 on tank side, green dome, black smokebox, clockwork and 6v DC, 1929-31  | 
 
Hornby No 1 tank loco, LNER green livery, first body style, number 463 on tank side, green dome, black smokebox, clockwork and 6v DC, 1929-31  | 

 
Hornby clockwork No 1 tank loco, LNER green livery, second body style, number 2900 on tank side, clockwork, 6v and 20v, 1931-36  | 
 
Hornby clockwork No 1 tank loco, LNER green livery, second body style, number 2900 on tank side, clockwork, 6v and 20v, 1931-36  | 

 
Hornby E120 electric 20v No 1 tank loco, LNER green livery, second body style, number 2900 on tank side, clockwork, 6v and 20v, 1931-36  | 
 
Hornby E120 electric 20v No 1 tank loco, LNER green livery, second body style, number 2900 on tank side, clockwork, 6v and 20v, 1931-36  | 
 
Hornby E120 electric 20v No 1 tank loco, LNER green livery, second body style, number 2900 on tank side, clockwork, 6v and 20v, 1931-36  | 

 
Hornby clockwork No 1 tank loco, LNER darker green livery, second body style, number 2900 on tank side, clockwork, 6v and 20v, 1936-41  | 
 
Hornby clockwork No 1 tank loco, LNER darker green livery, second body style, number 2900 on tank side, clockwork, 6v and 20v, 1936-41  | 

 
Hornby No 1 tank loco, LNER black livery, first body style, number 0-4-0 on tank side, brass dome, embossed smokebox door, red lined cab windows, clockwork only, 1925-26  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 0-4-0 on tank side, brass dome, embossed smokebox door, red lined cab windows, clockwork only, 1925-26  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 0-4-0 on tank side, brass dome, embossed smokebox door, red lined cab windows, clockwork only, 1925-26  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 0-4-0 on tank side, brass dome, embossed smokebox door, red lined cab windows, clockwork only, 1925-26  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 0-4-0 on tank side, brass dome, embossed smokebox door, red lined cab windows, clockwork only, 1925-26  | 

 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, brass dome, unlined boiler, clockwork only, 1926-27  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, brass dome, unlined boiler, clockwork only, 1926-27  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, brass dome, unlined boiler, clockwork only, 1926-27  | 

 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, brass dome, 2 pairs boiler bands, clockwork only, 1927-28  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, brass dome, 2 pairs boiler bands, clockwork only, 1927-28  | 

 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, black dome, 2 pairs boiler bands, 6v DC electric, 1929-31 (?)  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, black dome, 2 pairs boiler bands, 6v DC electric, 1929-31 (?)  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, black dome, 2 pairs boiler bands, 6v DC electric, 1929-31 (?)  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, black dome, 2 pairs boiler bands, 6v DC electric, 1929-31 (?)  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, black dome, 2 pairs boiler bands, 6v DC electric, 1929-31 (?)  | 
 
Hornby No 1 tank loco, LNER black livery, first body style, number 623 on tank side, black dome, 2 pairs boiler bands, 6v DC electric, 1929-31 (?)  | 

 
Hornby No 1 tank loco, SR black livery, second body style, number E111 on tank side, clockwork and 20v electric, 1931-33  | 
 
Hornby No 1 tank loco, SR black livery, second body style, number E111 on tank side, clockwork and 20v electric, 1931-33  | 

 
Hornby 6v DC electric No 1 tank loco, SR green livery, original body style, B667 on tank sides, clockwork and 6v DC, 1928-31 (6v to 1934)  | 
 
Hornby 6v DC electric No 1 tank loco, SR green livery, original body style, B667 on tank sides, clockwork and 6v DC, 1928-31 (6v to 1934)  | 
 
Hornby 6v DC electric No 1 tank loco, SR green livery, original body style, B667 on tank sides, clockwork and 6v DC, 1928-31 (6v to 1934)  | 
 
Hornby 6v DC electric No 1 tank loco, SR green livery, original body style, B667 on tank sides, clockwork and 6v DC, 1928-31 (6v to 1934)  | 
 
Hornby 6v DC electric No 1 tank loco, SR green livery, original body style, B667 on tank sides, clockwork and 6v DC, 1928-31 (6v to 1934)  | 
 
Hornby 6v DC electric No 1 tank loco, SR green livery, original body style, B667 on tank sides, clockwork and 6v DC, 1928-31 (6v to 1934)  | 

 
Hornby No 1 tank loco, SR green livery, second body style, number 29 on tank side, clockwork, 6v and 20v electric, 1933-41  | 
 
Hornby No 1 tank loco, SR green livery, second body style, number 29 on tank side, clockwork, 6v and 20v electric, 1933-41  | 

 
Hornby No 1 tank loco, SR green livery, second body style, number 29 on tank side, clockwork, 6v and 20v electric, 1933-41  | 
 
Hornby No 1 tank loco, SR green livery, second body style, number 29 on tank side, clockwork, 6v and 20v electric, 1933-41  | 

 
Hornby No 1 tank loco, Zulu plain black livery, first (only) body style, no number, clockwork only, 1922-23  | 
 
Hornby No 1 tank loco, Zulu plain black livery, first (only) body style, no number, clockwork only, 1922-23  | 
 
Hornby No 1 tank loco, Zulu plain black livery, first (only) body style, no number, clockwork only, 1922-23  | 
 
Hornby No 1 tank loco, Zulu plain black livery, first (only) body style, no number, clockwork only, 1922-23  | 
 
Hornby No 1 tank loco, Zulu plain black livery, first (only) body style, no number, clockwork only, 1922-23  | 
 
Hornby No 1 tank loco, Zulu plain black livery, first (only) body style, no number, clockwork only, 1922-23  | 

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