Chamberlain

Model	Power	Years
40KA	48 hp	1949 - 1954
55DA	60 hp[B]	1954 - 1957
60DA	62 hp[B]	1952 - 1954
306	70 hp	1966 - 1969
3380	73 hp	1975 - 1985
4080	85 hp	1975 - 1985
4090	100 hp	1985 - 1986
4280	111 hp	1975 - 1985
4290	118 hp	1985 - 1986
4480	131 hp	1975 - 1985
4490	137 hp	1985 - 1986
4690	163 hp	1985 - 1986
C456	56 hp	1973 - 1983
C670	70 hp	1970 - 1975
C6100	101 hp	1970 - 1976
Canelander	62 hp	1959 - 1973
Champion 6G	57 hp[B]	1955 - 1957
Champion 9G	62 hp	1958 - 1966
Countryman	76 hp	1958 - 1962
Countryman 6	76 hp	1963 - 1966
Countryman 354	92 hp	1966 - 1970
Super 70	72 hp[B]	1954 - 1963
Super 90	90 hp	1962 - 1967
45KA	Updating	1954 - 1955
55KA	Updating	1954 - 1956
Crusader	Updating	1959 - 1963