Model 0-18 Serial Numbers for 1931
(Excluding Interpolated and pre 1970 entries)

Serial #ModelYear Built
458460-181931
458470-181931
458480-181931
458490-181931
458500-181931
458510-181931
458520-181931
458530-181931
458540-181931
458550-181931
458560-181931
470820-181931
475120-181931
475130-181931
475140-181931
475150-181931
475160-181931
475170-181931
475180-181931
475190-181931
475200-181931
475210-181931
475220-181931
475230-181931
475240-181931
476940-181931