rodknock95
Blaze,
Here you go... from 1934 to the present...
1934-1939 - Model C (black overall trim)
1939-1940 - Model 2C (black overall trim)
1940-1941 - Model 3C (black overall trim, new wide-body Sani Emtor)
1941-1942 - Model 4C (black overall trim)
1945-1948 - Model 505 (black overall trim, introduces "Magic Finger" belt lifter)
1948-1949 - Model 508 (gray overall trim, introduces Suds-O-Gun)
1949-1950 - Model 509 (gray overall trim, introduces Handi-Butler)
1950-1951 - Model 510 (gray overall trim, introduces Sweet-Aire)
1951-1952 - Model 511 (gray overall trim, improved front bearing assembly)
1952-1953 - Model 512 (gray overall trim)
1953-1954 - Model 513 (gray overall trim, red nozzle and headlight bumpers)
1954-1955 - Model 514 (gray overall trim, red nozzle and headlight bumpers and red handle grip)
1955-1956 - Model 515 (same as 514, but with new 10-blade metal fan)
1956-1957 - Model 516 (all new motor housing design)
1957-1958 - Model 517 (same as 516, except for red plastic handle lock button instead of chrome button)
1958-1959 - Model 518 (same as 517)
1959-1960 - Model 519 (new motor terminals and handle lock mechanism)
1960-1961 - Model 560 (new style belt lifter)
1961-1962 - Model 561 (same as 560)
1962-1963 - Model Sanitronic 562 (new coppertone trim)
1963-1965 - Model Sanitronic VII (same as 562, except new nozzle seal ring for new style universal suction/blower coupling)
1965-1967 - Dual Sanitronic 50 (first Kirby with two-speed motor, same coppertone trim)
1967-1970 - Dual Sanitronic 80 (avocado green trim; new style handle fork assembly)
1970-1973 - Classic 1CR (chocolate brown trim, gold cloth bag)
1973-1976 - Classic Omega 1CB (rosewood trim, various cloth bag designs)
1976-1979 - Classic III 2CB (red trim, tattersall pattern on cloth bag)
1979-1981 - Tradition 3CB (blue trim, introduces disposable bag system and plastic fan)
1981-1984 - Heritage (84) 1HD (dark gray trim, orange-red cloth bag)
1984-1987 - Heritage II 2HD (black trim, gray cloth bag with red Kirby logos, introduces Mini Emtor)
1987-1989 - Heritage II Legend 2HD (mostly same as Heritage II)
1989-1991 - Legend II 2HD (maroon trim, gray/maroon cloth bag with gray Kirby logos)
1990-1993 - Generation 3 G3D (off-white trim, introduces Tech Drive)
1993-1997 - G4 (stone gray trim, introduces Micron Magic disposable bags)
1997-1999 - G5 (black cherry trim, introduces new-style fan case seal ring)
1999-2002 - G6 (black trim, new style crush-proof fill tube assembly)
2002-2003 - Ultimate G (gray trim)
2003-2006 - Ultimate G Diamond Edition (same as Ultimate G but introduces the Delicate auxiliary two-speed switch, only available on this model)
2006-2012 - Sentria (gray/orange trim)
2012-2014 - Sentria II (taupe/turquoise trim)
2014-2017 - Avalir (black/red trim)
2017-present - Avalir II (black/blue trim)
~Ben