1913 Models
Big Four (Model 1) 633cc single 1907-1954
Model 7 (BS) 490cc sv 1914-1922 Brooklands Special
Model 8 (BRS) 490cc 1914-1922 Brooklands Road Special
Model 9 (TT) 490cc 1912-1923 Belt-drive
Model 3½ 490cc sv 1911-1918. Became the Model 16 in 1919
Model 16 490cc sv 1919-1920 Chain drive
Model 16H 490cc sv 1921-1954
Model 18 490cc ohv 1922-1954 Roadster
Model 19 588cc ohv 1926-1932, 596cc 1933-1958. Post-war Models 19R & 19S.
CS1 490cc OHC 1928-1939
Model 21 490cc OHV 1928 (poss. other years) see 1928 Models
Model 24 588cc OHV 1928-1929 (poss. other years) see 1928 Models
Model 34 490cc OHV 1927-1928 (poss. other years). 4 speed version of the Model 18
Model 17C 490cc sv 1928. Otherwise same as the Big Four
Model 14 633cc sv 4-speed 1928. Otherwise same as the Big Four
ES2 490cc ohv 1928-1939
CJ 348cc ohc 1929-1939. 350 version of the CS1 (J for Junior)
JE 348cc ohv 1929-1939. 350 version of the ES2
Model 20 490cc 1930-1939. Twin-port version of the Model 18
Model 22 490cc 1930-1931 Twin-port version of the ES2
DT 1930 Dirt Track
Model 40 348cc ohc 1932-1939
International Model 30 490cc ohc 1932-1939
Model 50 OHV 348cc ohv 1933-1939
Model 55 348cc ohv 1933-1939 Twin-port version of Model 50
Military Models (1937 - 1945)
WD 16H 490cc sv
WD Big Four 633cc sv Sidecar Outfit
Post-War Models (1945 - 1970)
16H 490cc sv 1946-1954
Model 18 490cc single 1946-1954
Big Four 633cc sv 1947-1954, 596cc as from 1948
International Model 30 490cc 1947-1958
International Model 40 348cc 1947-1958
Manx 30M 498cc ohc 1946-1963
Manx 40M 348cc ohc 1946-1963
Model 7 497cc twin 1949-1956. First Norton Twin Motorcycle, designed by Bert Hopwood
Model 500T 500cc 1949-1954 (350cc optional)
ES2 490cc single 1947 - 1964
Model 19S 596cc 1955-1958
Model 19R 596cc 1955 only.
Model 50 OHV 348cc 1955-1963
Norton Manxman 650cc Export Only (1960-1961)
ES2 MK2 490cc single 1964 - 1966
Model 50 OHV MK 2 348cc 1965-1966 (AMC G3)
Model 77 497cc 1950-1952. A rigid framed version of the Model 7, supplied only to the Australian market.
Model 77 596cc 1957-1958. Built mainly for sidecar use
Dominator 88 497cc 1952-1966 Same engine as a model 7 but in a featherbed frame
Dominator 99 596cc 1956-1962
Jubilee 250 1958-1966
Navigator 350cc 1960-1965
Electra ES400 400cc 1963-1965 (400cc version of the Navigator, with electric start)
Atlas 745cc 1962-1968
650SS 650cc 1961-1968 (twin carburettors)
Mercury 650cc 1968-1970 (single carburettor)
P11A 750cc 1967-1968. Scrambler style with Atlas engine.
Ranger 750cc 1968 (renamed from P11A)
N15 750cc 1967-1968
Norton Commando
Commando Models (1967 - 1978)
Commando Fastback 1967-1973 Just called "Norton Commando" until 1969
Commando Roadster 1970-1975 750cc 1970-73, 850cc 1973-1975. Targeted for the American market
Commando Interpol 1970-1976 Produced for police force use
Commando Hi-rider 1971-1975 Targeted for American market
Commando Production Racer 1971- Special high-compression engine
Commando Interstate 1972-1975 750cc 1972-73, 850cc 1973-75
Commando Combat 1972
Rotary Models (1981 - 1992)
Interpol 2 P41
Classic P43
Commander P52 police model, P53 civilian model
F1 P55
F1 Sport P55B
RC588
RCW588
NRS588
2014 Models
Norton Dominator
Norton Commando 961 SF MkII 2015-
Norton Commando 961 Cafe Racer MkII
Norton Commando 961 Sport MkII
Sources include sales literature, Wikipedia, Graces Guide, NOC, et al.