 |
| Model | Year | Serial Numbers |
| 188 | 1966 thru 1969 | 188-0001 thru 188-0572 |
| 188 | 653 | |
| A188 | 1966 thru 1969 | 188-0001 thru 188-0572 |
| 188A | 1970 thru 1971 | 18800573 thru 18800832 |
| A188A | 1970 thru 1971 | 18800573 thru 18800832 |
| 188B | 1972 thru 1975 | 18800833 thru 18802348 |
| A188B | 1972 thru 1983 | 18800833 thru 18803973 |
| A188B | 1972 thru 1983 | 18800967T thru 18803973T |
| A188B | 678, 678T | |
| T188C | T18802839T | |
| T188C | 1979 thru 1983 | T18803307T, T18803308T |
| T188C | 1979 thru 1983 | T18803325T thru T18803974T |
| A-A188B | 1972 thru 1976 | A-A1880001 thru A-A1880034 |
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