1010 (Diesel)
TO30 and others using a 6 Volt distributor ignition
Some applications may require loosening the bolts and reclocking the intake side for clearance
310" inside diameter (ID)
1950T SN: 194080 - 218229 when (2) pre-cleaner caps are used
Ignition Key Switch fits John Deere Tractor | Replaces AT18721 AT21880 Farmall 1010 (Diesel)Quality Aftermarket AT18721 AT21880 4 Position Ignition Key Switch w 2 Keys Fits John Deere Tractor Fits: 1020, 1520, 2020, 2030 all up to SN: 117499; Industrials: 350, 450, (300, 400 up to SN: 117905), (380, 480, 480A, 480B up to SN: 184192) Specifications 8 AMP. Four spade terminals. Replacement Numbers AT18721, AT21880