Engines with numbers - Alpha models
Below are the Motors and Engines listed according to Model or Serial Number, along with the approximate dates that they were manufactured for commercial use:
| Date | Model | Model Data |
|---|---|---|
| 1948 August to 1962 December | 9 | Cast Iron |
| 1948 March to 1963 September | 14 | Cast Iron |
| 1949 August to 1956 August | 6H | Cast Iron |
| 1949 August to 1953 April | 6HF | Cast Iron |
| 1949 August to 1952 May | 6HS | Cast Iron |
| 1949 June to 1957 June | 5S | Cast Iron |
| 1949 September to 1957 July | 6HSF | Cast Iron |
| 1949 August to 1957 June | 8 | Cast Iron |
| 1949 January to1957 February | 23 | Cast Iron |
| 1950 March to 1957 January | 5 | Cast Iron |
| 1950 March to 1957 August | 8HF | Cast Iron |
| 1952 June to 1957June | 6 | Cast Iron |
| 1952 October to 1953 June | 6AHS | Cast Iron |
| 1952 August to 1953 July | 6AH | Cast Iron |
| 1953 January to 1957 July | 8AHF | Cast Iron |
| 1953 May to Ju1y 1958 July | 6BH | Aluminum Casting |
| 1953 May to 1958 July | 6BHS | Aluminum Casting |
| 1955 June to 1958 July | 6B | Aluminum Casting |
| 1955 June to 1958 July | 6B | Aluminum Casting |
| 1955 June to 1958 July | B | Aluminum Casting |
| 1955 June to 1958 July | BH | Aluminum Casting |
| 1957 January to1965 August | 23A | Cast Iron |
| 1958 June | 60100 | Kool Bore |
| 1958 July | 80300 | Kool Bore |
| 1958 July | 80400 | Kool Bore |
| 1958 June to 1960 January | 81700 | Sleeve Bore |
| 1958 June to1963 August | 60700 | Kool Bore |
| 1958 July to1963 August | 61700 | Sleeve Bore |
| 1958 June to1964 May | 60500 | Kool Bore |
| 1958 July to May 1964 | 61500 | Sleeve Bore |
| 958 June to1964 July | 80500 | Kool Bore |
| 1958 June to 1964 July | 80700 | Kool Bore |
| 1958 December to 1964 | 80600 | Kool Bore |
| 1958 August to 1969 December | 81400 | Sleeve Bore |
| 1958 August to 1969 December | 81100 | Sleeve Bore |
| 1960 June | 80200 | Sleeve Bore |
| 1960 May to1960 November | 81600 | Sleeve Bore |
| 1958 July to 1965 July | 140000 | Kool Bore |
| 1958 July to1970 January | 61100 | Sleeve Bore |
| 1958 July to1970 January | 61300 | Sleeve Bore |
| 1958 July to 1970 January & 1977 August | 81300 | Sleeve Bore |
| 1958 July to 1971 August | 60400 | Kool Bore |
| 1958 July to 1977 August | 80100 | Kool Bore |
| 958 July to 1977 August to August | 41000 | Sleeve Bore |
| 1959 July to June 1964 | 81900 | Sleeve Bore |
| 1958 September to 1965 July | 343000 | Sleeve Bore |
| 1959 September to1960 September | 80800 | Kool Bore |
| 1959 September to1970 January | 61400 | Sleeve Bore |
| 1959 July to1964 November | 80900 | Kool Bore |
| 1960 February to 1962 January | 85500 | Sleeve Bore |
| 1960 May to1960 August | 81800 | Sleeve Bore |
| 1960 August to1963 June | 23C | Cast Iron |
| 1960 August to1963 March | 60900 | Kool Bore |
| 1960 August to1963 March | 61900 | Sleeve Bore |
| 1960 March to 1969 December | 81200 | Sleeve Bore |
| 1960 July to1970 January | 61200 | Sleeve Bore |
| 1960 August to 1971 August | 60200 | Kool Bore |
| 1960 October to 1961 January | 85900 | Sleeve Bore |
| 1960 October to1961 September | 84500 | Kool Bore |
| 960 December to1960 September | 84700 | Kool Bore |
| 961 November to 1987 August | 100200 | Kool Bore |
| 1962 January to 1977 August | 100900 | Kool Bore |
| 1962 May to 1965 July | 142000 | Kool Bore |
| 1963 January to1965 August | l9D | Cast Iron |
| 1963 April to1965 August | 23D | Cast Iron |
| 1964 July to June 1965 June | 82500 | Kool Bore |
| 1964 July to1965 August | 82900 | Kool Bore |
| 1965 July to 1971 August | 146400 | Kool Bore |
| 1965 July to 1966 August | 91400 | Cast Iron |
| 1965 June to 1968 August | 92500 | Kool Bore/Choke-A-Matic |
| 1965 June to 1968 August | 92900 | Kool Bore Choke-A-Matic |
| 1965 August to May 1966 | 144000 | Kool Bore |
| 1965 August to 1966 August | 145000 | Sleeve Bore |
| 1965 August to 1966 September | 193400 | Cast Iron |
| 1965 August | 230000 | Cast Iron |
| 1965 August | 240000 | Cast Iron |
| 1966 July | 130900 | Kool Bore |
| 1966 July | 130200 | Kool Bore |
| 1966 July | 170700 | Kool Bore |
| 1966 August | 10400 | Kool Bore |
| 1966 August to 1975 | 200000 | Cast Iron |
| 1966 November to 1971 August | 30000 | Cast Iron/Synchro-Balanced |
| 1967 October to 1969 April | 171700 | Kool Bore/Synchro-Balanced |
| 1968 August | 92900 | Kool Bore/Automatic Choke |
| 1968 August | 92500 | Kool Bore/Automatic Choke |
| 1969 April to 1971 August | 320000 | Cast Iron/Synchro-Balanced |
| 1969 June | 190400 | Kool Bore |
| 1969 June | 190700 | Kool Bore |
| 1971 June to 1972 August | 301400 | Cast Iron/Synchro-Balanced |
| 1971 June to 1972 November | 325400 | Cast Iron/Synchro-Balanced |
| 1972 September to 1977 August | 302400 | Cast Iron/Synchro-Balanced |
| 1972 February | 326400 | Cast Iron/Synchro-Balanced |
| 1973 October | 110900 | Kool Bore |
| 1973 May to 1977 August | 251400 | Kool Bore/Synchro-Balanced |
| 1973 May to 1977 August | 251700 | Kool Bore/Synchro-Balanced |
| 1976 August to 1983 August | 111900 | Kool Bore |
| 1976 August to Aug 1983 August | 111200 | Kool Bore |
| 1977 August | 252400 | Kool Bore/Synchro-Balanced |
| 1977 August | 252700 | Kool Bore/Synchro-Balanced |
| 1977 November | 253400 | Kool Bore/Synchro-Balanced |
| 1977 December to 1981 August | 4014001 | Kool Bore |
| 1977 December to 1981 August | 401700 | Kool Bore |
| 1978 July | 131400111 | Sleeve Bore I/C |
| 1978 July | 131900 | Sleeve Bore I/C |
| 1978 July | 131200 | Sleeve Bore I/C |
| 1978 July to 1980 July | 220400 | Kool Bore |
| 1978 July | 220700 | Kool Bore |
| 1979 January to 1981 August | 401430 | Kool Bore |
| 1980 April to1981 August | 421700 | Kool Bore |
| 1980 May | 62030 | Kool Bore -Two Cycle |
| 1980 August | 94500 | Automatic Choke Quiet Series |
| 1980 August | 94900 | Automatic Choke Quiet Series |
| 1980 August | 113900 | Kool Bore Quiet Series |
| 1980 August to 1982 August | 95500 | Automatic Choke/Quiet Series |
| 1980 August | 221400 | Sleeve Bore I/C |
| 1980 August | 222400 | Kool Bore |
| 1980 August | 402400 | Sleeve Bore I/C |
| 1980 August | 422400 | Sleeve Bore I/C |
| 1981 August | 93500 | Kool Bore/Automatic Choke |
| 1981 August | 112200 | |
| 1981 August | 402700 | Sleeve Bore I/C |
| 1981 August | 422700 | SleeveBore I/C |
| 1982 August | 82200 | SleeveBore I/C Quiet Series |
| 1982 August | 114900 | SleeveBore I/C Quiet Series |
| 1982 August | 132200 | Sleeve Bore I/C Quiet Series |
| 1982 August | 132400 | Sleeve Bore I/C Quiet Series |
| 1982 August | 132900 | Sleeve Bore I/C Quiet Series |
| 1983 January | 171400 | Sleeve Bore I/C Quiet Series |
| 1983 August | 82300 | Sleeve Bore I/C Quiet Series |
| 1983 August | 82400 | SleeveBore I/C Quiet Series |
| 1983 August | 112900 | Sleeve Bore |
| 1983 August to 1984 August | 101120 | Electric 120 Volt Moto |
| 1983 August | 193700 | Sleeve Bore I/C Synchro-balanced |
| 1983 August | 192700 | Sleeve Bore I/C |
| 1984 to October | 90700 | Kool Bore/Max Series |
| 1984 to October | 91700 | Kool Bore/Max Series |
| 1984 October | 110700 | Kool Bore/Max Series |
| 1984 October | 111700 | Kool Bore/Quiet Max Series |
| 1984 October | 112700 | Sleeve Bore/Max Series |
| 1982 August | 253700 | Sleeve Bore I/C Synchro-Balanced |
| 1984 August | 254400 | Sleeve Bore I/C Synchro-Balanced |
| 1983 August to 1984 August | 748000 | Electric 120-Volt Motor |
