Caterpillar

Model	Power	Years
2-Ton	27 hp[B]	1925 - 1928
5-Ton	44 hp[B]	1925 - 1926
10-Ton	61 hp[B]	1925
AG6	240 hp	1986 - 1993
D2	30 hp[P]	1938 - 1957
D3B SA	101 hp	1985 - 1987
D3C SA	110 hp	1987 - 1991
D4	44 hp[B]	1938 - 1959
D4D SA	74 hp	1966 - 1983
D4E SA	97 hp	1984 - 1991
D5B SA	120 hp	1977 - 1985
D6	86 hp[B]	1941 - 1947
D6C SA	140 hp	1970 - 1976
D6D SA	165 hp	1977 - 1991
D7G SA	250 hp	1980 - 1986
D7	102 hp[B]	1940 - 1954
D7C	128 hp	1955 - 1958
D8	115 hp	1937 - 1965
D8L SA	400 hp	1984 - 1987
D9	286 hp	1955 - 1959
Diesel Fifty	73 hp[B]	1933 - 1936
Diesel Forty	62 hp[B]	1934 - 1936
Diesel Seventy-Five	103 hp[B]	1933 - 1935
Diesel Sixty	85 hp[B]	1931
Diesel Sixty-Five	85 hp[B]	1931 - 1932
Diesel Thirty-Five	50 hp[B]	1933 - 1934
Fifteen	22 hp[B]	1929 - 1933
Fifty	62 hp[B]	1931 - 1937
Forty	54 hp[B]	1934 - 1936
R2	36 hp[B]	1934 - 1942
R3	46 hp[B]	1934 - 1935
R4	40 hp[B]	1938 - 1944
R5	64 hp[B]	1934 - 1940
RD4	44 hp[B]	1935 - 1940
RD7	75 hp[B]	1935 - 1940
RD8	114 hp[B]	1935 - 1936
Seventy	77 hp[B]	1933 - 1937
Seventy-Five	103 hp[B]	1933 - 1935
Sixty	81 hp[B]	1925 - 1931
Sixty-Five	87 hp[B]	1932 - 1933
Ten	15 hp[B]	1928 - 1932
Thirty	40 hp[B]	1925 - 1938
Thirty-Five	48 hp[B]	1932 - 1934
Twenty	32 hp[B]	1927 - 1931
Twenty-Eight	41 hp[B]	1933 - 1935
Twenty-Five	33 hp[B]	1931 - 1933
Twenty-Two	32 hp[B]	1934 - 1939
D5 SA	Updating	1967 - 1976
D7D	Updating	1959 - 1961