Would anyone be so kind as to decode these model numbers for me?
I mainly want to know how old they are, but will gladly take any other description offered.
I assume all the Carriers are 4 ton units, but how are they different?
Carrier 48TFDOO8-A-511 3302630328
Carrier 48TFDOO8-A-512 3302630322
Carrier 48TJD024-580-AA 4101F15752
Carrier 48TME012-A-501 3604630563