Part Number: AT19966
Alternate Part Numbers: AT199966, T21979, T21979T
Manufacturer: John Deere
Category: Powertrain
Condition: Used
Models:
820 3 CYL W/ COLLAR SHIFT TRANS, 830 3 CYL, 1020, 1520, 1530, 2020, 2040 BEFORE SN: 349999, 2240 BEFORE SN: 349999, 401B

Cast: T21979T 31/20 Teeth OD: 4.75″ ID: 1.375″