John Deere Serial Numbers
Correct Original Magneto

John Deere "A", "AN", "AW"

Fairbanks-Morse DRV2A (AA201)

410,000 - 424,024

Fairbanks-Morse DRV2B (AB706) 424,025 - 462,099
Edison-Splitdorf "CD" (AD1400R)  462,100 - 476,999
Wico AP477B (AB757R) 477,000 - 487,999
Wico C1042 (AH653R) 488,000 - 598,518
Wico XH1042 (AA3870R) 598,519 - 659,289

John Deere "B"

Fairbanks-Morse DRV2B (AB210) 1,000 - 14,037
Fairbanks-Morse DRV2B (AB706) 14,038 - 24,049
24,500 - 37,037
39,038 - 44,599
46,200 - 49,199
 
Wico AP477B (AB757R) 24,050 - 24,499
37,038 - 39,037
44,600 - 46,199
49,200 - 89,999
 
Wico C1042 (AH653R) 90,000 - 217,798
Wico XH1042 (AA3870R) 217,799 -
John Deere "D"
Splitdorf 246C (AD116R) 30,400 - 35,308
Splitdorf 246T (AD597) 35,309 -130,699
Edison-Splitdorf "CD" (AD1400RR) (Flange Mount) 130,700 - 152,707
Wico C1263 152,708 - 187,101
Wico XH1263 (AD2622R) 187,102 -