A. J. Stevens & Co Ltd.
Typ / Model	Production time	Capacity	Cylinders / Engine	Power	Serial no.	Top speed
A	1915-1916	550 cm³	2 cyl., 4-stroke, side valve, V-Twin (50°), JA Prestwich Industries Ltd.	4 PS
B	1910-1922	349 cm³	1 cyl., 4-stroke, side valve	2½ PS
B1 B1 "Sporting"	1923-1924	349 cm³	1 cyl., 4-stroke, side valve	2¾ PS
B3	1924	349 cm³	1 cyl., 4-stroke, ohv	2¾ PS
B5 "Sporting"	1924	349 cm³	1 cyl., 4-stroke, ohv	2¾ PS
D	1912-1925 1920 1919-1921	698 cm³ 748 cm³ 799 cm³	2 cyl., 4-stroke, side valve, V-Twin (50°), JA Prestwich Industries Ltd.	6 PS 7 PS
D1	1923-1924	748 cm³	2 cyl., 4-stroke, side valve, V-Twin (50°), JA Prestwich Industries Ltd.	7 PS
E1 "de Luxe Passenger Combination"	1925	799 cm³ 990 cm³	2 cyl. (74 x 93 mm), 4-stroke, side valve, V-Twin (50°), JA Prestwich Industries Ltd.			80 km/h
E3 "de Luxe Touring"	1925	349 cm³	1 cyl., 4-stroke, ohv	2¾ PS
E4 "de Luxe Sporting"	1925	349 cm³	1 cyl., 4-stroke, ohv	2¾ PS
E5 "Standard Sporting"	1925	349 cm³	1 cyl., 4-stroke, ohv	2¾ PS
E6	1925	349 cm³	1 cyl., 4-stroke, ohv	2¾ PS
TT	1923		1 cyl., 4-stroke, ohv	2¾ PS
G2	1926	799 cm³	2 cyl., 4-stroke, side valve, V-Twin (50°), JA Prestwich Industries Ltd.
G3 "DeLuxe Touring" G4 "DeLuxe Sporting" G5 "Standard Sporting	1926	349 cm³	1 cyl., 4-stroke, side valves	2¾ PS
G6 "Big Port"	1926	348 cm³	1 cyl., 4-stroke, ohv
G8	1926	498 cm³	1 cyl., 4-stroke, ohv
H1	1927	799 cm³	2 cyl., 4-stroke, side valve, V-Twin
H3 "de Luxe Touring"	1927	349 cm³	1 cyl., 4-stroke, ohv
H10	1927	498 cm³	1 cyl., 4-stroke, ohv
K2	1928	799 cm³	2 cyl., 4-stroke, side valves, V-Twin
K6	1928	348 cm³	1 cyl., 4-stroke, ohv
K7	1928	349 cm³	1 cyl., 4-stroke, ohc
K9	1928	498 cm³	1 cyl., 4-stroke, side valves
632 Four	1928	632 cm³	4 cyl., 4-stroke,	20 PS (4.500 rpm)
2 "Standard Touring" 2A "Export"	1929-1939	998 cm³	2 cyl. (85.5 x 85.5 mm), 4-stroke, side valves, V-Twin	24 PS (4.000 rpm)
SA4 "de Luxe" 4 "de Luxe" 4 "de Luxe Touring"	1929-1936 1931 1936	349 cm³ 399 cm³ 498 cm³	1 cyl., 4-stroke, side valve
5 "Sport Standard" "Standard Lightweight"	1929-1936	349 cm³	1 cyl., 4-stroke, side valve
6 B6	1929 1930-1935 1934	349 cm³	1 cyl., 4-stroke, ohv, Single Port 1 cyl., 4-stroke, ohv, Two Port 1 cyl., 4-stroke, ohv, Single Port
7 "Camshaft Trophy" 7 "Competition" "Racing"	1929-1936	346 cm³	1 cyl., 4-stroke, ohc
8 "de Luxe"	1929-1936 1936 1939-1940	498 cm³	1 cyl., 4-stroke, ohv, Two Port 1 cyl., 4-stroke, ohv, Two Port 1 cyl., 4-stroke, ohv, Single Port
9 "de Luxe Touring" "Light" "Heavy"	1929-1934 1931 1931	498 cm³	1 cyl., 4-stroke, side valves
10 "Camshaft Trophy" 10 "Competition" "Racing"	1929-1936	495 cm³	1 cyl., 4-stroke, ohc
12 "Two Port" 12 "Big Port" 12M 12 "Standard"	1930-1931 1930-1934 1935-1939 1939 1939 1940	248 cm³ 248 cm³ 246 cm³ 347 cm³ 246 cm³ 246 cm³	1 cyl., 4-stroke, ohv, Two Port 1 cyl., 4-stroke, ohv 1 cyl., 4-stroke, ohv 1 cyl., 4-stroke, ohv 1 cyl., 4-stroke, ohv 1 cyl., 4-stroke, ohv
S3	1931	498 cm³	2 cyl., 4-stroke, side valve, Transverse Twin			105 km/h
16 16 16M 16M	1935-1937 1945-1955 1945-1946 1948-1955	347 cm³ 348 cm³ 348 cm³ 348 cm³	1 cyl. (69 x 93 mm), 4-stroke, ohv	18 PS (5.750 rpm)		126 km/h
18 18T 18SS "500 Silver Streak"	1935-1938 1937-1938 1938	498 cm³	1 cyl. (82.5 x 93 mm), 4-stroke, ohv
V4	1935 1936 1938 1939	495 cm³	4 cyl., 4-stroke, V-4 (50°), Zoller compressor, water cooled	? PS 51.5 PS (6.000 rpm) ? PS 55 PS (7.200 rpm)
14	1936	498 cm³	1 cyl., 4-stroke, side valves
22 "High Pipe" 22SS "250 Silver Streak" 22T	1936-1938 1938 1938	246 cm³	1 cyl., 4-stroke, ohv, Two Port 1 cyl., 4-stroke, ohv 1 cyl., 4-stroke, ohv
26 "de Luxe" 26SS "350 Silver Streak"	1936-1940 1938	347 cm³	1 cyl., 4-stroke, ohv, Two Port 1 cyl., ohv
E90 "Porcupine"	1947-1951 1949	496.1 cm³	2 cyl. (68 x 68.3 mm), 4-stroke, V-Twin parallel	37 PS 50 PS (7.600 rpm)		190 km/h
E95 "Porcupine"	1952-1954	497.5 cm³	2 cyl. (68 x 68.5 mm), 4-stroke, V-Twin (45°) parallel	54 PS (7.800 rpm)		229 km/h
18	1945 1947-1959	497 cm³ 498 cm³	1 cyl. (82.5 x 93 mm), 4-stroke, ohv	24.4 PS (5.500 rpm)
16MC	1947-1957	348 cm³	1 cyl. (69 x 93 mm), 4-stroke, ohv	18 PS (5.750 rpm)
16MS	1948-1958	348 cm³ 347 cm³	1 cyl. (69 x 93 mm), 4-stroke, ohv	18 PS (5.750 rpm)
7R	1948-1963	347 cm³ 348 cm³ 349 cm³	1 cyl. (74 x 81 mm), 4-stroke, ohc 1 cyl. (75.7 x 78 mm), 4-stroke, ohc	31-38 PS (7.500 rpm) 38 PS (7.600 rpm)
20 20 "Standard" 20 "de Luxe" 20 "CS" 20 "CSR"	1949-1958 1959 1959 1959 1959	498 cm³	2 cyl. (66 x 72.8 mm), 4-stroke, ohv Twin	29 PS (6.800 rpm)		137 km/h
16MCS "Competition"	1951-1954 1956-1958	348 cm³	1 cyl. (69 x 93 mm), 4-stroke, ohv 1 cyl. (72 x 85.5 mm), 4-stroke, ohv	18 PS (5.750 rpm) 24 PS (5.000 rpm)
18S	1949-1958	497 cm³ 498 cm³	1 cyl. (82.5 x 93 mm), 4-stroke, ohv	24.4 PS (5.500 rpm)
18CS "Competition"	1951-1959	498 cm³ 497 cm³	1 cyl. (82.5 x 93 mm), 4-stroke, ohv 1 cyl. (86 x 85.5 mm), 4-stroke, ohv	24.4 PS (5.500 rpm) 30 PS (5.600 rpm)
30 30 "CS" 30 "CSR"	1956-1959 1958 1958	592 cm³ 593 cm³	2 cyl. (72 x 72.8 mm), 4-stroke, ohv Twin	32 PS (6.700 rpm)		152 km/h
31 "Hurricane" 31 "De Luxe" 31 "CS" 31 "CSR" 31 "Swift"	1959-1966 1959 1959 1959 1962	646 cm³	2 cyl. (72 x 79.3 mm), 4-stroke, ohv, Twin	35 PS (6.500 rpm)
8 8 "Senator"	1961-1962	348 cm³	1 cyl. (72 x 85.5 mm), 4-stroke, ohv
16C 16C "Experts"	1961-1964 1962	347 cm³ 348 cm³	1 cyl. (69 x 93 mm), 4-stroke, ohv	16 PS (5.600 rpm)
16 "Sceptre"	1962	348 cm³	1 cyl., 4-stroke, ohv
16S "Sceptre"	1962	348 cm³	1 cyl., 4-stroke, ohv
14 "Saphire"	1962	249 cm³	1 cyl., 4-stroke, ohv	18 PS (7.000 rpm)
14S "Saphire"	1962	249 cm³	1 cyl., 4-stroke, ohv	18 PS (7.000 rpm)
14CS "Scorpion"	1962	249 cm³	1 cyl., 4-stroke, ohv	18 PS (7.000 rpm)
18 "Statesman"	1962	498 cm³	1 cyl., 4-stroke, ohv