Massey-Harris

Model	Power	Years
16 Pacer	21 hp[B]	1953 - 1955
20	34 hp[B]	1946 - 1948
21 Colt	31 hp[B]	1952 - 1953
22	30 hp[P]	1948 - 1953
23 Mustang	30 hp[P]	1952 - 1956
25	45 hp[B]	1932 - 1946
30	36 hp[P]	1946 - 1952
33	40 hp[P]	1952 - 1955
44 Row-Crop	45 hp	1947 - 1953
44 Special	40 hp	1953 - 1955
50	36 hp[B]	1955 - 1957
55	62 hp[P]	1946 - 1955
81	28 hp[P]	1941 - 1946
82	28 hp[P]	1941 - 1948
101 Junior	29 hp[P]	1939 - 1946
101 Senior	40 hp[B]	1942 - 1946
101 Super	40 hp[P]	1938 - 1942
102 Junior	29 hp[P]	1939 - 1946
202	41 hp[P]	1940 - 1942
203	41 hp[P]	1940 - 1947
333	41 hp[P]	1956 - 1958
444	53 hp[P]	1956 - 1958
555	78 hp[P]	1955 - 1958
744	46 hp	1948 - 1958
745	50 hp[B]	1954 - 1958
Challenger	35 hp[B]	1936 - 1939
GP	24 hp[B]	1930 - 1936
No. 1 12-25	27 hp[B]	1918 - 1919
No. 2 12-22	24 hp[B]	1920 - 1922
No. 3 15-28	31 hp[B]	1922 - 1923
Pacemaker	30 hp[B]	1936 - 1939
Pony 11	12 hp[B]	1947 - 1954
Pony 811	15 hp	1951
Pony 812	15 hp	1951 - 1957
102 Senior	Updating	1942 - 1946
201	Updating	1940 - 1942