“A” Engine Serial Numbers

Month                                   Numbers

October – 1927                           1 – 137
November                                  138 – 971
December                                   972 – 5275
January – 1928                           5276 – 17251
February                                     17252 – 36016
March                                         36017 – 67700
April                                           67701 – 109740
May                                             109741 – 165726
June                                            165727 – 224276
July                                             224277 – 295707   
August                                        295708 – 384867  
September                                 384868 – 473012
October                                      473013 – 585696
November                                 585697 – 697829
December                                  697830 – 810122
January – 1929                          810123 – 983136
February                                    983137 – 1127171
March                                         1127172 – 1298827
April                                           1298828 – 1478647
May                                             1478648 – 1663401
June                                            1663402 – 1854831
July                                             1854832 – 2045422
August                                        2045423 – 2243920
September                                  2243921 – 2396932
October                                       2396933 – 2571781
November                                  2571782 – 2678140
December                                  2678141 – 2742695
January – 1930                           2742696 – 2826649
February                                     2826650 – 2940776
March                                         2940777 – 3114465
April                                           3114466 – 3304703
May                                             3304704 – 3509306
June                                             3509307 – 3702547
July                                             3702548 – 3771362
August                                         3771363 – 3883888
September                                  3883889 – 4005973
October                                       4005974 – 4093995
November                                  4093996 – 4177733
December                                   4177734 – 4237500
January – 1931                           4237501 – 4310300
February                                     4310301 – 4393627
March                                         4393628 – 4520831
April                                            4520832 – 4611921
May                                             4611922 – 4695999
June                                             4696000 – 4746730
July                                              4746731 – 4777282
August                                        ———————–
September                                  4777283 – 4824809
October                                       4824810 – 4826746
November                                  4826747 – 4830806
December – 1931                       ———————–
January – 1932                            4830807 – 4842983
February                                     4842984 – 4846691
March                                          4846692 – 4849340